Prof. Liangcai Cao Profile

Prof. Liangcai Cao

Professor at Tsinghua Univ

SPIE Involvement:

Conference Program Committee | Conference Chair | Editorial Board Member: Advanced Photonics Nexus | Editorial Board Member: Optical Engineering | Author | Editor

Area of Expertise:

Holography , Optical computing , Holographic disaply , Optical storage , Photopolymer , Holographic imaging

Websites:

Personal Website | Company Website

Profile Summary

Liangcai Cao received his PhD degree on optical engineering at Tsinghua University in 2005. Then he became an assistant professor at Department of Precision Instruments, Tsinghua University. He is now a Tenured Associate Professor and director of Institute of Opto-Electronic Engineering at Tsinghua University. His current research interests are holography and information optics. He is SPIE Fellow and Optica Fellow.

Publications (126)

Proceedings Article | 13 March 2024 Poster

Poster

Motion-resolved quantitative phase imaging using spatiotemporal priors

Yunhui Gao, Zhengzhong Huang, Liangcai Cao

Proceedings Volume PC12852, PC1285212 (2024) https://doi.org/10.1117/12.3000127

KEYWORDS: Phase imaging, Temporal resolution, Reconstruction algorithms, Biomedical optics, Phase retrieval, Algorithms, Algorithm development, Near field optics, Near field, Inverse problems

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Proceedings Article | 13 March 2024 Presentation

Presentation

See-through camera for integration with AR devices

Yuchen Ma, Yunhui Gao, Jiachen Wu, Liangcai Cao, Zhengzhong Huang

Proceedings Volume PC12913, PC1291307 (2024) https://doi.org/10.1117/12.3000603

KEYWORDS: Cameras, Augmented reality, Waveguides, Sensing systems, Head-mounted displays, Design and modelling, Virtual reality, Transparency, Sensors, Retina

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Proceedings Article | 13 March 2024 Presentation

Presentation

High-resolution wide-field microendoscopic imaging based on multi-frame fiber bundle images

Jiachen Wu, Liangcai Cao

Proceedings Volume 12909, 129090I (2024) https://doi.org/10.1117/12.3000779

KEYWORDS: Image fusion, Biological imaging, Endoscopes, Image registration, Visualization, Video, Tissues, Oncology, Motion models, Motion estimation

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Proceedings Article | 13 March 2024 Presentation

Presentation

Aberration-free high bandwidth holographic imaging

Zhengzhong Huang, Liangcai Cao

Proceedings Volume 12909, 129090L (2024) https://doi.org/10.1117/12.3008120

KEYWORDS: Holography, Phase reconstruction, Microscopy, Tissues, Tissue optics, Signal analyzers, Photobleaching, Phase retrieval, Phase imaging, Optical imaging

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Proceedings Article | 13 March 2024 Presentation

Presentation

Autofocusing method for Fresnel zone aperture coded image

Jiachen Wu, Fangyu Liu, Liangcai Cao

Proceedings Volume PC12910, PC1291005 (2024) https://doi.org/10.1117/12.3009611

KEYWORDS: Image restoration, Cameras, Target recognition, Reconstruction algorithms, 3D image reconstruction, Incident light, Zone plates, Visualization, Portability, Optical components

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SPIE Journal Paper | 29 December 2023 Open Access

Open Access

Diffractive optical elements 75 years on: from micro-optics to metasurfaces

Qiang Zhang, Zehao He, Zhenwei Xie, Qiaofeng Tan, Yunlong Sheng, Guofan Jin, Liangcai Cao, Xiaocong Yuan

PI, Vol. 2, Issue 04, R09, (December 2023) https://doi.org/10.1117/12.10.3788/PI.2023.R09

KEYWORDS: Diffractive optical elements, Diffraction, Modulation, Design, Holograms, Photonics, Micro optics, Holography, Polarization, Multiplexing

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Proceedings Article | 27 November 2023 Paper

Paper

Steady optical beam in turbulence

Yiqian Yang, Liangcai Cao

Proceedings Volume 12768, 127681H (2023) https://doi.org/10.1117/12.2686278

KEYWORDS: Beam propagation method, Spatial light modulators, Modulation, Wavefronts, Wave propagation, Turbulence, Structural design, Optics manufacturing, Optical components, Manufacturing

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Proceedings Article | 27 November 2023 Paper

Paper

Autofocusing of Fresnel zone aperture lensless imaging based on image sharpness metrics

Fangyu Liu, Jiachen Wu, Liangcai Cao

Proceedings Volume 12768, 127681F (2023) https://doi.org/10.1117/12.2688901

KEYWORDS: Image sharpness, Image restoration, Shadows, Sensors, Image processing, Cameras, Imaging systems, Image sensors, Zone plates

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Proceedings Article | 4 October 2023 Open Access

Open Access

Poster + Paper

Aberration-free high-bandwidth holographic imaging

Zhengzhong Huang, Liangcai Cao

Proceedings Volume 12746, 1274609 (2023) https://doi.org/10.1117/12.2686597

KEYWORDS: Phase reconstruction, Holography, Zernike polynomials, Multiplexing, Optical aberrations, Tissues, Objectives, Microscopes, Biological samples, Spatial frequencies

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Proceedings Article | 4 October 2023 Open Access

Open Access

Presentation

From spatial to spatiotemporal compressive sensing for high-speed quantitative phase imaging

Yunhui Gao, Liangcai Cao

Proceedings Volume PC12746, PC127460K (2023) https://doi.org/10.1117/12.2685811

KEYWORDS: Phase imaging, Phase retrieval, Temporal resolution, Reconstruction algorithms, Optical sensors, Motion blur, In vivo imaging, Imaging systems, Image restoration, Biological samples

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Proceedings Article | 11 August 2023 Presentation + Paper

Presentation + Paper

Three-dimensional holographic particle tracking in space-time digital holography

Zhengzhong Huang, Zhe Wang, Daniele Pirone, Vittorio Bianco, Pasquale Memmolo, Liangcai Cao, Pietro Ferraro

Proceedings Volume 12622, 126220T (2023) https://doi.org/10.1117/12.2675460

KEYWORDS: Microfluidics, Holography, Holograms, 3D tracking, Digital holography, Particles, Interferograms, Phase shifting, Flow cytometry, Complex amplitude

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Proceedings Article | 10 August 2023 Presentation

Presentation

Pixel super-resolution phase retrieval for lensless microscopy

Yunhui Gao, Feng Yang, Liangcai Cao

Proceedings Volume 12621, 126210T (2023) https://doi.org/10.1117/12.2674137

KEYWORDS: Super resolution, Phase retrieval, Microscopy, Digital imaging, Digital holography

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Proceedings Article | 16 March 2023 Presentation + Paper

Presentation + Paper

High-throughput quantitative phase imaging via compressive phase retrieval

Yunhui Gao, Liangcai Cao

Proceedings Volume 12389, 123890C (2023) https://doi.org/10.1117/12.2655445

KEYWORDS: Phase retrieval, Phase imaging, Holography, Mathematical optimization, Inverse problems, Imaging systems

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Proceedings Article | 16 March 2023 Presentation + Paper

Presentation + Paper

Pixel super-resolution phase retrieval algorithms for digital holography

Liangcai Cao, Yunhui Gao

Proceedings Volume 12389, 1238905 (2023) https://doi.org/10.1117/12.2655511

KEYWORDS: Super resolution, Phase retrieval, Reconstruction algorithms, Imaging systems, Digital holography, Biomedical optics, Mathematical optimization, Inverse problems

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Proceedings Article | 14 March 2023 Presentation + Paper

Presentation + Paper

High bandwidth holographic imaging

Zhengzhong Huang, Yunhui Gao, Liangcai Cao

Proceedings Volume 12444, 1244405 (2023) https://doi.org/10.1117/12.2655523

KEYWORDS: Holography, Holograms, Multiplexing, Light sources and illumination, Cameras, Phase retrieval, Phase reconstruction, Microscopy, Imaging systems, Optical aberrations

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Proceedings Article | 14 March 2023 Presentation

Presentation

High-fidelity, model-driven deep learning network for phase-only computer-generated holography (Conference Presentation)

Liangcai Cao, Kexuan Liu, Jiachen Wu, Zehao He

Proceedings Volume PC12443, PC1244309 (2023) https://doi.org/10.1117/12.2655512

KEYWORDS: Computer generated holography, Computer networks, Holograms, Super resolution, Reconstruction algorithms, Phase retrieval, Neural networks, Near field diffraction, Machine learning, Convolution

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Proceedings Article | 8 March 2023 Presentation + Paper

Presentation + Paper

Encoding scattered wavefronts through spectral-envelope modulated double-phase method

Xiaomeng Sui, Liangcai Cao

Proceedings Volume 12445, 1244509 (2023) https://doi.org/10.1117/12.2655524

KEYWORDS: Holographic displays, Wavefronts, Holograms, Modulation, Transmittance, Wavefront reconstruction, Spatial light modulators, Signal intensity

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Proceedings Article | 20 December 2022 Presentation

Presentation

Generalized convolutional model for restricted lensless imaging

Yuchen Ma, Jiachen Wu, Liangcai Cao

Proceedings Volume 12318, 123180P (2022) https://doi.org/10.1117/12.2642046

KEYWORDS: Reconstruction algorithms, Imaging systems, Systems modeling, Sensors, Coded aperture imaging, Stereoscopy, Lenses, Inverse problems, Inverse optics, Image processing

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Proceedings Article | 20 December 2022 Presentation

Presentation

The binocular structured light three-dimensional imaging method for measurement of high-reflective objects

Lidan He, Rui Min, Liangcai Cao

Proceedings Volume 12318, 123180V (2022) https://doi.org/10.1117/12.2642019

KEYWORDS: 3D image processing, Structured light, Reflectivity, Reflection, Image fusion, 3D metrology, Clouds, Stereoscopy, Projection systems, Phase shifts

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Proceedings Article | 20 December 2022 Presentation

Presentation

An optimized Gerchberg–Saxton algorithm for speckle suppression with double amplitude freedom

Kexuan Liu, Zehao He, Liangcai Cao

Proceedings Volume 12318, 1231815 (2022) https://doi.org/10.1117/12.2642059

KEYWORDS: Speckle, Reconstruction algorithms, Signal to noise ratio, Spherical lenses, Holography, Holograms, Detection and tracking algorithms, Numerical simulations

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Proceedings Article | 20 December 2022 Presentation

Presentation

Progress of the computer-generated holography based on deep learning

Yixin Zhang, Kexuan Liu, Liangcai Cao

Proceedings Volume 12318, 123180B (2022) https://doi.org/10.1117/12.2642154

KEYWORDS: Computer generated holography, Neural networks, Holography, Gallium nitride, Explosives

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Proceedings Article | 19 December 2022 Presentation + Paper

Presentation + Paper

Digital holography for real-time detection based on femtosecond laser

Yiqian Yang, Minglie Hu, Liangcai Cao

Proceedings Volume 12318, 123181N (2022) https://doi.org/10.1117/12.2642044

KEYWORDS: Femtosecond phenomena, Polarization, Digital holography, Crystals, Pulsed laser operation, Ultrafast imaging, Ultrafast phenomena, Prisms, Image processing, Multiplexing

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Proceedings Article | 19 December 2022 Presentation + Paper

Presentation + Paper

Pixel super-resolution quantitative phase imaging based on modulation diversity

Yunhui Gao, Liangcai Cao

Proceedings Volume 12318, 123180Q (2022) https://doi.org/10.1117/12.2642054

KEYWORDS: Spatial light modulators, Modulation, Imaging systems, Phase imaging, Super resolution, Phase shift keying, Image resolution, Sensors, Calibration, Phase retrieval, Holography

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Proceedings Article | 8 July 2022 Paper

Paper

Advanced deep learning enhancement algorithm based on retinex model guidance

Hangying Zhang, Liangcai Cao

Proceedings Volume 12281, 122810G (2022) https://doi.org/10.1117/12.2619492

KEYWORDS: Image enhancement, RGB color model, Image fusion, Image restoration, Image processing, Algorithm development, Visualization, Light sources and illumination, Image resolution

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Proceedings Article | 20 May 2022 Presentation

Presentation

Learning-based high-resolution lensless fiber bundle imaging for tumor

Jiachen Wu, , Robert Kuschmierz, Ortrud Uckermann, Roberta Galli, Gabriele Schackert, Liangcai Cao, Jürgen Czarske

Proceedings Volume PC12136, PC121360W (2022) https://doi.org/10.1117/12.2624170

KEYWORDS: Tumors, Image enhancement, Endoscopes, Neuroimaging, Image classification, Brain, Optical imaging, Super resolution, Signal to noise ratio, Second-harmonic generation

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Proceedings Article | 4 March 2022 Presentation + Paper

Presentation + Paper

Angular-spectrum algorithm for holographic 3D display based on 2D-to-3D approach

Zehao He, Kexuan Liu, Xiaomeng Sui, Liangcai Cao

Proceedings Volume 12025, 1202509 (2022) https://doi.org/10.1117/12.2609369

KEYWORDS: 3D displays, Holography, Computer generated holography, Cameras, 3D modeling, 3D acquisition, 3D image processing, Image processing, Sensors, Optical simulations

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Proceedings Article | 2 March 2022 Presentation + Paper

Presentation + Paper

Numerical algorithms for pixel super-resolution holographic imaging

Yunhui Gao, Liangcai Cao

Proceedings Volume 11970, 119700B (2022) https://doi.org/10.1117/12.2608219

KEYWORDS: Phase retrieval, Reconstruction algorithms, Holography, Super resolution, Optimization (mathematics), Digital holography, Holograms

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Proceedings Article | 15 October 2021 Presentation + Paper

Presentation + Paper

Coherent diffraction imaging using structured phase modulation

Rujia Li, Liangcai Cao

Proceedings Volume 11898, 118980P (2021) https://doi.org/10.1117/12.2602333

KEYWORDS: Modulation, Wavefronts, Phase shift keying, Phase modulation, Wave propagation, Spatial light modulators, Coherence imaging, Reconstruction algorithms, Calibration, Signal to noise ratio

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Proceedings Article | 9 October 2021 Paper

Paper

Compressive phase retrieval via complex constrained total variation regularization

Yunhui Gao, Liangcai Cao

Proceedings Volume 11898, 118980Q (2021) https://doi.org/10.1117/12.2602461

KEYWORDS: Phase retrieval, Televisions, Reconstruction algorithms, Denoising, Transmittance, Imaging systems, Digital holography, Sensors, Wave propagation, Radio propagation

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Proceedings Article | 1 August 2021 Presentation

Presentation

High-speed three-dimensional digital holographic reconstruction of particles based on a YOLO network

Qiran Shi, Liangcai Cao, Yufeng Wu

Proceedings Volume 11804, 1180417 (2021) https://doi.org/10.1117/12.2593597

KEYWORDS: Digital holography, Particles, Holography, Reconstruction algorithms, Holograms, Optical simulations, Machine learning, 3D modeling

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Proceedings Article | 20 June 2021 Paper

Paper

Iterative reconstruction of diffraction limited digital holography

Zhengzhong Huang, Liangcai Cao

Proceedings Volume 11786, 117860Q (2021) https://doi.org/10.1117/12.2593606

KEYWORDS: Diffraction, Sensors, Digital holography, Iterative methods, Holography, Holograms, Reconstruction algorithms, 3D image reconstruction, Signal attenuation, Image sensors

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Proceedings Article | 18 June 2021 Paper

Paper

Human visual system deep learning enhancement algorithm based on optimization of physical information similarity

Hangying Zhang, Liangcai Cao, Feng Yang

Proceedings Volume 11850, 1185002 (2021) https://doi.org/10.1117/12.2597933

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

A generalized iterative projection framework for pixel-super-resolved holographic imaging

Yunhui Gao, Liangcai Cao

Proceedings Volume 11653, 1165306 (2021) https://doi.org/10.1117/12.2577198

KEYWORDS: Computer programming, Wavefronts, Reconstruction algorithms, Phase retrieval, Image resolution, Systems modeling, Spatial light modulators, Optimization (mathematics), Imaging systems, Digital micromirror devices

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Proceedings Article | 5 March 2021 Presentation

Presentation

Calculating real-time phase-only holograms through autoencoder neural network

Jiachen Wu, Kexuan Liu, Liangcai Cao

Proceedings Volume 11708, 1170808 (2021) https://doi.org/10.1117/12.2579244

KEYWORDS: Holograms, Neural networks, Computer generated holography, Machine learning, Super resolution, Reconstruction algorithms, Phase retrieval, Image quality, Computer programming, 3D image reconstruction

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Proceedings Article | 5 March 2021 Presentation

Presentation

A three-dimensional model generation method for holographic display

Liangcai Cao, Lidan He, Zehao He

Proceedings Volume 11709, 1170906 (2021) https://doi.org/10.1117/12.2582922

KEYWORDS: 3D displays, 3D modeling, Holography, Computer generated holography, Wavefronts, Optical design

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Proceedings Article | 10 October 2020 Presentation

Presentation

Frequency analysis of wave propagation in computer-generated holography

Hao Zhang, Liangcai Cao, Guofan Jin

Proceedings Volume 11551, 1155115 (2020) https://doi.org/10.1117/12.2573353

KEYWORDS: Wave propagation, Computer generated holography, 3D modeling, Reconstruction algorithms, Holograms, Diffraction, Computer graphics, Paraxial approximations, Numerical simulations

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Proceedings Article | 10 October 2020 Presentation

Presentation

Resolution analysis of Fresnel zone aperture lensless imaging

Jiachen Wu, Liangcai Cao

Proceedings Volume 11551, 115510X (2020) https://doi.org/10.1117/12.2573820

KEYWORDS: Image resolution, Sensors, 3D image reconstruction, Holography, Zone plates, Holograms, Diffraction, Image quality, Imaging systems, Light

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Proceedings Article | 10 October 2020 Presentation

Presentation

An improved error diffusion algorithm for phase-only computer-generated holograms

Kexuan Liu, Liangcai Cao

Proceedings Volume 11551, 1155117 (2020) https://doi.org/10.1117/12.2574344

KEYWORDS: Diffusion, Holograms, Computer generated holography, Reconstruction algorithms, 3D image reconstruction, Image quality, Optimization (mathematics), Speckle, Error analysis, Computer simulations

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Proceedings Article | 10 October 2020 Poster + Presentation

Poster + Presentation

Band-limited double-phase holograms for the near-field propagation

Xiaomeng Sui, Liangcai Cao, Guofan Jin

Proceedings Volume 11551, 115511M (2020) https://doi.org/10.1117/12.2573829

KEYWORDS: Holograms, Modulation, Signal to noise ratio, Phase shift keying, Computer programming, 3D image reconstruction, Holography, Superposition, Image quality, Diffraction

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Proceedings Article | 10 October 2020 Poster + Presentation

Poster + Presentation

Single-exposure digital holographic reconstruction with Bicubic interpolation-extrapolation

Zhengzhong Huang, Liangcai Cao

Proceedings Volume 11551, 115511G (2020) https://doi.org/10.1117/12.2573498

KEYWORDS: Digital holography, Holography, Holograms, 3D image reconstruction, Sensors, Point spread functions, Image resolution, Image sensors, Numerical simulations

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Proceedings Article | 10 October 2020 Presentation

Presentation

Self-referenced methods for phase calibration of a spatial light modulator

Rujia Li, Liangcai Cao, Zehao He, Yunhui Gao

Proceedings Volume 11551, 1155119 (2020) https://doi.org/10.1117/12.2573836

KEYWORDS: Calibration, Spatial light modulators, Phase shift keying, Digital holography, Phase modulation, Modulation, Holography, Coherence imaging, LCDs, Optical imaging

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Proceedings Article | 10 October 2020 Presentation

Presentation

Autofocusing of in-line digital holography based on compressive sensing

Yiyi Zhang, Zhengzhong Huang, Liangcai Cao, Shangzhong Jin

Proceedings Volume 11551, 115510W (2020) https://doi.org/10.1117/12.2573868

KEYWORDS: Digital holography, Compressed sensing, Reconstruction algorithms, 3D image reconstruction, Image quality, Digital imaging, Holograms

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Proceedings Article | 10 October 2020 Presentation

Presentation

Speckle reduction method for holographic display based on optimized phase modulation

Lizhi Chen, Hao Zhang, Liangcai Cao, Guofan Jin

Proceedings Volume 11551, 1155112 (2020) https://doi.org/10.1117/12.2573454

KEYWORDS: Phase shift keying, Speckle, 3D image reconstruction, Holography, Phase modulation, Holograms, Modulation, Diffraction, Optimization (mathematics)

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Proceedings Article | 10 October 2020 Presentation

Presentation

Dense encoder-decoder network for 3D holographic particle imaging

Yufeng Wu, Jiachen Wu, Shangzhong Jin, Liangcai Cao

Proceedings Volume 11551, 1155109 (2020) https://doi.org/10.1117/12.2573905

KEYWORDS: Particles, 3D image processing, Holography, Stereoscopy, Holograms, Convolutional neural networks, Data modeling, Digital holography, Sensors, Feature extraction

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SPIE Journal Paper | 12 May 2020

In situ calibration for a phase-only spatial light modulator based on digital holography

Rujia Li, Yunhui Gao, Liangcai Cao

OE, Vol. 59, Issue 05, 053101, (May 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.5.053101

KEYWORDS: Phase shift keying, Calibration, Phase modulation, Spatial light modulators, Modulation, Holograms, Digital holography, Diffraction gratings, Cameras, 3D image reconstruction

Read Abstract +

Proceedings Article | 15 April 2020 Presentation + Paper

Presentation + Paper

Noise suppression for double-phase hologram by complementary averaging

Xiaomeng Sui, Liangcai Cao, Guofan Jin

Proceedings Volume 11353, 113530J (2020) https://doi.org/10.1117/12.2555022

KEYWORDS: Holograms, 3D image reconstruction, Spatial light modulators, Diffraction, Signal to noise ratio, Computer generated holography, Holography, Modulation, Computer programming, Image quality

Read Abstract +

Proceedings Article | 11 March 2020 Presentation

Presentation

Self-referenced interferometric method for SLM phase calibration based on two blazed gratings (Conference Presentation)

Liangcai Cao, Yunhui Gao, Rujia Li, Renjie Zhou

Proceedings Volume 11249, 1124903 (2020) https://doi.org/10.1117/12.2543941

KEYWORDS: Interferometry, Spatial light modulators, Calibration, Phase measurement, Spatial frequencies, Phase modulation

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Proceedings Article | 21 February 2020 Paper

Paper

Three-dimensional capture systems for holographic display

Zehao He, Liangcai Cao

Proceedings Volume 11305, 113050K (2020) https://doi.org/10.1117/12.2550794

KEYWORDS: Computer generated holography, 3D modeling, 3D acquisition, 3D displays, Holography, Cameras, Telecommunications, Spatial light modulators, Microlens array, 3D image processing

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Proceedings Article | 18 November 2019 Paper

Paper

Weighted iterative algorithm for phase hologram generation with high-quality reconstruction

Lizhi Chen, Hao Zhang, Liangcai Cao, Guofan Jin

Proceedings Volume 11188, 1118821 (2019) https://doi.org/10.1117/12.2537714

KEYWORDS: Holograms, Fourier transforms, Holography, Computer generated holography, Image quality

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Proceedings Article | 18 November 2019 Paper

Paper

Generalized single-sideband computer-generated holography for high-quality three-dimensional display

Xiaoyu Wang, Hao Zhang, Liangcai Cao, Guofan Jin

Proceedings Volume 11188, 111880S (2019) https://doi.org/10.1117/12.2537193

KEYWORDS: Computer generated holography, Optical filters, 3D displays, 3D image reconstruction, 3D image processing, Reconstruction algorithms, Fourier transforms, Optical recording, Computing systems, Holography

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Proceedings Article | 9 September 2019 Presentation

Presentation

Non-iterative speckle noise reduction in spatial frequency domain for phase-only hologram generation (Conference Presentation)

Liangcai Cao, Xiaomeng Sui, Zehao He, Yaoyao Li, Guofan Jinn

Proceedings Volume 11123, 111230G (2019) https://doi.org/10.1117/12.2530055

KEYWORDS: Speckle, Denoising, Holograms, Computer generated holography, Spatial frequencies, Optical transfer functions, 3D image reconstruction, Point spread functions, Spatial light modulators, Diffraction

Read Abstract +

Proceedings Article | 9 September 2019 Paper

Paper

A comparison of calibration methods for phase-only LCoS spatial light modulators

Rujia Li, Liangcai Cao

Proceedings Volume 11123, 111230H (2019) https://doi.org/10.1117/12.2529256

KEYWORDS: Spatial light modulators, Calibration, Liquid crystals, Diffraction, Optical components, Modulation, Liquid crystal on silicon, Phase measurement, Interferometry

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Proceedings Article | 6 September 2019 Paper

Paper

Interactive three-dimensional display based on multi-layer LCDs

Ran Dou, Huarong Gu, Aolei Tan, Pengfei Gu, Yanshuo Chen, Si Ma, Liangcai Cao

Proceedings Volume 11136, 111360A (2019) https://doi.org/10.1117/12.2527297

KEYWORDS: 3D displays, LCDs, 3D acquisition, Translucency, Display technology, Liquid crystals, Parallel computing, Graphics processing units, Human-computer interaction

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Proceedings Article | 13 May 2019 Presentation + Paper

Presentation + Paper

Taking correlation from 2D to 3D: optical methods and performance evaluation

P. Banerjee, U. Abeywickrema, H. Zhou, B. Bordbar, M. Alam, G. Nehmetallah, J. Khoury, L. Cao

Proceedings Volume 10995, 109950B (2019) https://doi.org/10.1117/12.2520309

KEYWORDS: Digital holography, 3D image processing, Joint transforms, Optical correlators, Computer generated holography, Fourier transforms

Read Abstract +

Proceedings Article | 4 March 2019 Presentation

Presentation

High-quality texture reconstruction for three-dimensional multi-view imaging (Conference Presentation)

Jiachen Wu, Liangcai Cao, Guofan Jin

Proceedings Volume 10943, 1094307 (2019) https://doi.org/10.1117/12.2509615

KEYWORDS: 3D modeling, 3D image processing, Detection and tracking algorithms, Virtual reality, Cameras, Cultural heritage, Augmented reality, Medical imaging, Volume rendering, Algorithm development

Read Abstract +

Three-dimensional (3D) model with high-quality texture is a powerful way to interact between virtual and reality 3D scene. It has significant applications in digital preservation of cultural heritage, virtual reality / augmented reality (VR/AR), medical imaging and other domains. High-quality texture reconstruction is one of the essential elements for 3D model. Due to the camera pose error and inaccurate model, current texture reconstruction methods could not eliminate the artifacts like blurring, ghosting and discontinuity. In this work, multi-view high-definition images are captured for texture mapping. Normal-weight, depth-weight and edge-weight parameter are introduced to evaluate texture color confidence, respectively. The normalized weight factors are multiplied to generate a comprehensive weight parameter. By taking a weighted average of projected texture images, discontinuity of texture can be smoothed to a large extent. For large misalignment, bidirectional similarity (BDS) function, which represent the structural similarity between two images, are utilized to improve the texture image. The energy function is composed of two terms. One is Euclidean distance between target texture image and merged texture image. The other is BDS between target texture image and original texture image. By minimizing the energy function, the texture image could generate small local displacement while retaining the original structural information. The target and merged images are optimized alternately, the target image is calculated by patch-match algorithm, and the merged image is derived from weighted average of target images. The method we proposed could produce seamless texture comparing with Markov random field (MRF) algorithm. The definition could be higher than the camera parameter optimization algorithm. The experimental results show that structural similarity (SSIM) between the reconstructed images and the ground truth is higher than traditional algorithms. When dealing with inaccurate models with less than 10,000 facets, the SSIM value could be doubled compared with current algorithms.

Proceedings Article | 1 March 2019 Presentation + Paper

Presentation + Paper

Correlation of holograms for surface characterization of diffuse objects

H. Zhou, U. Abeywickrema, B. Bordbar, L. Cao, P. Banerjee

Proceedings Volume 10943, 1094306 (2019) https://doi.org/10.1117/12.2515632

KEYWORDS: Holograms, Computer generated holography, Digital holography, Digital image correlation

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Proceedings Article | 1 March 2019 Paper

Paper

Performance analysis for holographic display based on phase only spatial light modulator

Zehao He, Tingting Zhou, Chao Han, Liangcai Cao

Proceedings Volume 10942, 1094217 (2019) https://doi.org/10.1117/12.2511150

KEYWORDS: Spatial light modulators, 3D image reconstruction, Holograms, Image quality, Point spread functions, Zone plates, Computer generated holography, Numerical simulations, Holography, Phase shift keying

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Proceedings Article | 1 March 2019 Presentation + Paper

Presentation + Paper

Complex amplitude modulation metasurface with dual resonance in transmission mode

Qiang Jiang, Zehao He, Guofan Jin, Liangcai Cao

Proceedings Volume 10944, 109440A (2019) https://doi.org/10.1117/12.2511342

KEYWORDS: Modulation, Computer generated holography, Holograms, Holography

Read Abstract +

SPIE Journal Paper | 3 November 2018

Resampling ring masks in spatial spectral domain for speckle reduction in one-shot digital holography

Wenhui Zhang, Hua Zhang, Guofan Jin, Kun Liu, Liangcai Cao

OE, Vol. 57, Issue 11, 113101, (November 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.11.113101

KEYWORDS: Speckle, Holograms, Digital holography, 3D image reconstruction, Holography, Spatial resolution, Sensors, Fourier transforms, Spectral resolution, Optical engineering

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Proceedings Article | 4 September 2018 Presentation + Paper

Presentation + Paper

Two abnormal physical effects in negative index photonic crystals

Qiang Jiang, Jiabi Chen, Liangcai Cao, Guofan Jin

Proceedings Volume 10755, 107550L (2018) https://doi.org/10.1117/12.2320064

KEYWORDS: Doppler effect, Photonic crystals, Negative refraction, Finite-difference time-domain method

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Proceedings Article | 14 March 2018 Presentation

Presentation

Multilayer volume holographic optical memory with reduced crosstalk (Conference Presentation)

Liangcai Cao, Zehao He, Song Zong, Chunrong Chen, Guofan Jin

Proceedings Volume 10557, 105570L (2018) https://doi.org/10.1117/12.2299649

KEYWORDS: Holography, Volume holography, Optical storage, Data storage, 3D modeling, Data modeling, Data storage servers, Clouds, Holographic data storage systems, Systems modeling

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Proceedings Article | 23 February 2018 Paper

Paper

Noise reduction in digital holography based on a filtering algorithm

Wenhui Zhang, Liangcai Cao, Hua Zhang, Guofan Jin, David Brady

Proceedings Volume 10503, 105030H (2018) https://doi.org/10.1117/12.2288729

KEYWORDS: Holograms, Reconstruction algorithms, Holography, Digital holography, Optical filters, Denoising, Fourier transforms, Wave propagation, Collimation, Inverse problems

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Proceedings Article | 19 February 2018 Presentation + Paper

Presentation + Paper

Grating based wide field-of-view digital lens-free holography

Wenhui Zhang, Liangcai Cao, Hua Zhang, Hao Zhang, Guofan Jin

Proceedings Volume 10557, 105570P (2018) https://doi.org/10.1117/12.2295002

KEYWORDS: Holograms, Digital holography, Holography, Multiplexing, Imaging systems, Diffraction, Image sensors, Sensors

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Proceedings Article | 19 February 2018 Paper

Paper

High SBP compressive holography with an efficient block-wise model

Hua Zhang, Liangcai Cao, Wenhui Zhang, Hao Zhang, Guofan Jin

Proceedings Volume 10557, 1055711 (2018) https://doi.org/10.1117/12.2299650

KEYWORDS: Holograms, Reconstruction algorithms, Holography, Image sensors, 3D image reconstruction, Digital holography, 3D image processing, Wave propagation, Compressed sensing

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Proceedings Article | 19 February 2018 Paper

Paper

Partially coherent holographic display based on human factors engineering

Zehao He, Ping Su, Liangcai Cao, Hao Zhang, Guofan Jin

Proceedings Volume 10556, 105560O (2018) https://doi.org/10.1117/12.2295135

KEYWORDS: Holography, Chromatic aberrations, Light sources, Spatial light modulators, Computer generated holography, Displays

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Proceedings Article | 17 January 2018 Open Access

Open Access

Paper

Temperature tolerance analysis on the volume holographic data storage (Withdrawal Notice)

Liangcai Cao, Shenghan Wu, Song Zong, Guofan Jin

Proceedings Volume 10384, 1038409 (2018) https://doi.org/10.1117/12.2274910

KEYWORDS: Tolerancing, Volume holography, Holography, Data storage, Optical storage

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Proceedings Article | 15 January 2018 Open Access

Open Access

Paper

Improvements of volume holographic grating in photopolymer doped with nanorods (Conference Presentation) (Withdrawal Notice)

Liangcai Cao, Shenghan Wu, Song Zong, Hao Zhang, Guofan Jin

Proceedings Volume 9958, 99580H (2018) https://doi.org/10.1117/12.2238823

KEYWORDS: Volume holography, Holography, Photonic crystal fibers, Nanorods, Crystals, Photonic crystal devices, Photonic crystals

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Proceedings Article | 12 January 2018 Paper

Paper

Speckle reduction in digital holography with resampling ring masks

Wenhui Zhang, Liangcai Cao, Guofan Jin

Proceedings Volume 10620, 1062003 (2018) https://doi.org/10.1117/12.2292036

KEYWORDS: Speckle, Digital holography, Holograms, 3D image reconstruction, Holography, Fourier transforms, Numerical analysis

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Proceedings Article | 24 August 2017 Paper

Paper

Complex wavefront modulation and holographic display using single spatial light modulator

Dezhao Kong, Liangcai Cao, Xueju Shen, Hao Zhang, Song Zong, Guofan Jin

Proceedings Volume 10395, 1039508 (2017) https://doi.org/10.1117/12.2274906

KEYWORDS: Amplitude modulation, Phase shift keying, Computer generated holography, Optical signal processing, Optical communications, Laser engineering, Modulators, Chemical elements, Stochastic processes

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Proceedings Article | 23 August 2017 Paper

Paper

Characteristics of gold nanorods in volume holographic nanocomposites

Liangcai Cao, Shenghan Wu, Zehao He, Song Zong, Mingli Dong, Guofan Jin

Proceedings Volume 10382, 103820G (2017) https://doi.org/10.1117/12.2274908

KEYWORDS: Holography, Gold, Volume holography, Nanocomposites, Multiplexing, Optical storage, Photonic crystal fibers, Plasmons, Surface plasmons, Resonance enhancement

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Proceedings Article | 31 October 2016 Paper

Paper

Characteristics of the autostereoscopic three-dimensional LED display based on diffractive optical elements sheet

Ping Su, Pengli An, Jianshe Ma, Shu An, Liangcai Cao

Proceedings Volume 10022, 100221Y (2016) https://doi.org/10.1117/12.2246177

KEYWORDS: 3D displays, LED displays, Diffractive optical elements, Error analysis, Analytical research, Tolerancing, Assembly tolerances, Photometry, Image resolution, Optical resolution

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Proceedings Article | 31 October 2016 Paper

Paper

Resampling masks for phase-shifting digital holography

Wenhui Zhang, Liangcai Cao, Hao Zhang, Song Zong, Guofan Jin

Proceedings Volume 10022, 1002209 (2016) https://doi.org/10.1117/12.2245807

KEYWORDS: 3D image reconstruction, Digital holography, Holograms, Phase shifts, Holography, Image quality, Speckle, Francium, Image segmentation, Image filtering

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Proceedings Article | 31 October 2016 Paper

Paper

Noise reduction for compressive digital one-shot in-line holographic tomography

Hua Zhang, Liangcai Cao, Hao Zhang, Wenhui Zhang, Song Zong, Chao Han, Guofan Jin

Proceedings Volume 10022, 1002207 (2016) https://doi.org/10.1117/12.2245871

KEYWORDS: Digital holography, Holography, Tomography, Compressed sensing, Reconstruction algorithms, Holograms, Charge-coupled devices, Scattering, Signal to noise ratio, 3D modeling

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Proceedings Article | 31 October 2016 Paper

Paper

Zoomable three-dimensional computer-generated holographic display based on shifted Fresnel diffraction

Hao Zhang, Liangcai Cao, Song Zong, Guofan Jin

Proceedings Volume 10022, 100221D (2016) https://doi.org/10.1117/12.2246127

KEYWORDS: 3D displays, Holography, Computer generated holography, Near field diffraction, Wave propagation, Spatial light modulators, 3D image processing, Holograms, Zoom lenses, 3D modeling

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Proceedings Article | 14 September 2016 Paper

Paper

A holographic display system based on DMD using LED as light source

Ping Su, Bingchao Cheng, Wenbo Cao, Jianshe Ma, Liangcai Cao

Proceedings Volume 9970, 99700B (2016) https://doi.org/10.1117/12.2236761

KEYWORDS: Light emitting diodes, Holography, Digital micromirror devices, LED displays, Light sources, Computer generated holography, 3D image reconstruction, Diffraction, 3D displays, Holograms

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Proceedings Article | 12 September 2016 Paper

Paper

Layer-oriented computer-generated holograms for three-dimensional display

Liangcai Cao, Yan Zhao, Hao Zhang, Song Zong, Dezhao Kong, Guofan Jin

Proceedings Volume 9970, 997007 (2016) https://doi.org/10.1117/12.2238820

KEYWORDS: Holography, Stereo holograms, Computer generated holography, 3D displays, Holograms, Near field diffraction, 3D modeling, 3D image processing, Numerical simulations, Diffraction

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Proceedings Article | 11 March 2015 Paper

Paper

Three-dimensional display based on refreshable volume holograms in photochromic diarylethene polymer

Liangcai Cao, Zheng Wang, Chengmingyue Li, Cunpu Li, Fushi Zhang, Guofan Jin

Proceedings Volume 9385, 93850K (2015) https://doi.org/10.1117/12.2078483

KEYWORDS: Polymers, Holography, 3D displays, Holograms, Volume holography, Multiplexing, Wavefronts, Computer generated holography, 3D image reconstruction, Ultraviolet radiation

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Proceedings Article | 11 November 2014 Paper

Paper

Gold nanosphere doped photopolymer for volume holography

Liangcai Cao, Chengmingyue Li, Zheng Wang, Xiaoxin Li, Guofan Jin, Yuan Luo

Proceedings Volume 9271, 92710D (2014) https://doi.org/10.1117/12.2067788

KEYWORDS: Holography, Gold, Volume holography, Absorption, Diffraction, Refractive index, Modulation, Diffraction gratings, Optical discs, Data storage

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Proceedings Article | 11 November 2014 Paper

Paper

Polarization-based all-optical logic operations in volume holographic photopolymer

Chengmingyue Li, Liangcai Cao, Jingming Li, Zheng Wang, Guofan Jin

Proceedings Volume 9271, 92710F (2014) https://doi.org/10.1117/12.2071452

KEYWORDS: Holography, Polarization, Logic, Volume holography, Diffraction, Polymers, Lithium, Diffraction gratings, Optical signal processing, Holograms

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Proceedings Article | 11 November 2014 Paper

Paper

Three-dimensional holographic reconstruction from computational tomography images

Yan Zhao, Liangcai Cao, Hao Zhang, Qingsheng He, Guofan Jin

Proceedings Volume 9271, 927109 (2014) https://doi.org/10.1117/12.2071164

KEYWORDS: Holograms, Computed tomography, Holography, 3D modeling, 3D image reconstruction, Reconstruction algorithms, Computer generated holography, Spatial light modulators, 3D displays, Phase shift keying

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Proceedings Article | 11 November 2014 Paper

Paper

Calculation for high-resolution computer-generated hologram with fully-computed holographic stereogram

Hao Zhang, Yan Zhao, Zheng Wang, Liangcai Cao, Guofan Jin

Proceedings Volume 9271, 92711T (2014) https://doi.org/10.1117/12.2071617

KEYWORDS: Holography, Computer generated holography, Stereo holograms, Holograms, Wavefronts, 3D image reconstruction, Spatial frequencies, Computer graphics, Reconstruction algorithms, 3D displays

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Proceedings Article | 11 November 2014 Paper

Paper

Characteristics measurement methodology of the large-size autostereoscopic 3D LED display

Pengli An, Ping Su, Changjie Zhang, Cong Cao, Jianshe Ma, Liangcai Cao, Guofan Jin

Proceedings Volume 9271, 92712C (2014) https://doi.org/10.1117/12.2071752

KEYWORDS: 3D displays, LED displays, 3D metrology, Eye, Dispersion, Photometry, 3D image processing, LCDs, Visualization, Sensors

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Proceedings Article | 5 September 2014 Paper

Paper

Shifting tolerance for multilayer collinear holographic data storage

Jinqiu Liu, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 9201, 92010H (2014) https://doi.org/10.1117/12.2061530

KEYWORDS: Tolerancing, Data storage, Signal to noise ratio, Multiplexing, Holography, Diffraction, Objectives, Charge-coupled devices, Actuators, Digital micromirror devices

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Proceedings Article | 5 September 2014 Paper

Paper

Three-dimensional display based on volume holographic kinoform in photopolymer

Zheng Wang, Liangcai Cao, Fanglin Liu, Chengmingyue Li, Hao Zhang, Guofan Jin

Proceedings Volume 9200, 92000N (2014) https://doi.org/10.1117/12.2061475

KEYWORDS: Computer generated holography, Holography, Polymers, 3D displays, Volume holography, Multiplexing, Wavefronts, Spatial light modulators, 3D image reconstruction, 3D image processing

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Proceedings Article | 31 December 2013 Paper

Paper

Sub-millimeter servo system for sample positioning based on thresholding of defocused laser spot

Zheng Wang, Liangcai Cao, Enyao Zhang, Guofan Jin

Proceedings Volume 9042, 904203 (2013) https://doi.org/10.1117/12.2037990

KEYWORDS: Servomechanisms, Image processing, Visualization, Charge-coupled devices, Neodymium, Image filtering, Laser marking, Control systems, Optical fiber cables, Statistical analysis

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Proceedings Article | 26 September 2013 Paper

Paper

Storage density estimation for the phase-encoding and shift multiplexing holographic optical correlator

Tianxiang Zheng, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8855, 88550A (2013) https://doi.org/10.1117/12.2025996

KEYWORDS: Databases, Crystals, Spatial light modulators, Data storage, Holography, Multiplexing, Optical correlators, Holograms, Modulation, Phase shifts

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Proceedings Article | 25 September 2013 Paper

Paper

Plasmon-active mixed gratings in volume holographic polymeric nanocomposites

Chengmingyue Li, Liangcai Cao, Yao Yi, Qingsheng He, Guofan Jin

Proceedings Volume 8847, 88471M (2013) https://doi.org/10.1117/12.2025976

KEYWORDS: Gold, Holography, Polymers, Diffraction gratings, Nanocomposites, Diffraction, Absorption, Volume holography, Nanoparticles, Molecules

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Proceedings Article | 25 September 2013 Paper

Paper

Crosstalk analysis of multilayer collinear volume holographic data storage

Jinqiu Liu, Liangcai Cao, Chengmingyue Li, Jianhua Li, Qingsheng He, Guofan Jin

Proceedings Volume 8847, 88470D (2013) https://doi.org/10.1117/12.2026508

KEYWORDS: Holography, Data storage, Signal to noise ratio, 3D image reconstruction, Multiplexing, Spatial light modulators, Modulation, Holograms, Volume holography, Sensors

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SPIE Journal Paper | 29 August 2013

Full-range in-plane rotation measurement for image recognition with hybrid digital-optical correlator

Tianxiang Zheng, Liangcai Cao, Qingsheng He, Guofan Jin

OE, Vol. 53, Issue 01, 011003, (August 2013) https://doi.org/10.1117/12.10.1117/1.OE.53.1.011003

KEYWORDS: Optical correlators, Image storage, Charge-coupled devices, Spatial light modulators, Crystals, Distortion, Volume holography, Holography, Image segmentation, Digital image correlation

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Proceedings Article | 20 August 2013 Paper

Paper

Image scale measurement with correlation filters in a volume holographic optical correlator

Tianxiang Zheng, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8913, 891313 (2013) https://doi.org/10.1117/12.2035188

KEYWORDS: Optical correlators, Image filtering, Remote sensing, Optical filters, Volume holography, Holography, Image processing, Biometrics, Object recognition, Image analysis

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Proceedings Article | 20 August 2013 Paper

Paper

Sensitivity of volume holographic optical computing

Yao Yi, Liang-cai Cao, Tian-xiang Zheng, Wei Guo, Qing-sheng He, Guo-fan Jin

Proceedings Volume 8913, 891312 (2013) https://doi.org/10.1117/12.2035037

KEYWORDS: Spatial light modulators, Charge-coupled devices, Holography, Volume holography, Optical signal processing, Optical computing, Optical correlators, Optical filters, Holograms, Multiplexing

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Proceedings Article | 20 August 2013 Paper

Paper

Three dimensional computer-generated holograms with shading effects based on a phase-only spatial light modulator

Hao Zhang, Yan Zhao, Liangcai Cao, Guofan Jin

Proceedings Volume 8913, 891310 (2013) https://doi.org/10.1117/12.2034978

KEYWORDS: Computer generated holography, Reflection, 3D modeling, Holograms, 3D displays, Spatial light modulators, Specular reflections, Computer graphics, 3D image processing, Holography

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Proceedings Article | 27 November 2012 Paper

Paper

Holographic display with LED illumination based on phase-only spatial light modulator

Yan Zhao, Liangcai Cao, Hao Zhang, Qingsheng He

Proceedings Volume 8559, 85590B (2012) https://doi.org/10.1117/12.999913

KEYWORDS: Light emitting diodes, Light sources, Holography, 3D image reconstruction, Spatial light modulators, Holograms, LED displays, Computer generated holography, Speckle, 3D displays

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Proceedings Article | 26 November 2012 Paper

Paper

Fourier holographic display system of three-dimensional images using phase-only spatial light modulator

Hao Zhang, Yan Zhao, Huarong Gu, Qiaofeng Tan, Liangcai Cao, Guofan Jin

Proceedings Volume 8556, 855603 (2012) https://doi.org/10.1117/12.999268

KEYWORDS: Spatial light modulators, Holography, 3D displays, Holograms, 3D image processing, Displays, 3D modeling, 3D image reconstruction, Computer generated holography, Optical design

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Proceedings Article | 26 November 2012 Paper

Paper

Slanted volume holographic gratings design based on rigorous coupled-wave analysis

Ting Li, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8556, 85560O (2012) https://doi.org/10.1117/12.999511

KEYWORDS: Diffraction gratings, Diffraction, Polarization, Holography, Volume holography, Optical design, Modulation, Mathematical modeling, Mathematics, Near field diffraction

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Proceedings Article | 15 October 2012 Paper

Paper

Synthesis of DMAW-PMMA photopolymer with high photosensitivity for volume holographic storage

Jingming Li, Liangcai Cao, Chengmingyue Li, Qingsheng He, Guofan Jin

Proceedings Volume 8419, 84190G (2012) https://doi.org/10.1117/12.975801

KEYWORDS: Holography, Diffraction, Polymers, Polymethylmethacrylate, Holograms, Volume holography, Absorption, Image storage, Data storage, Refractive index

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Proceedings Article | 15 October 2012 Paper

Paper

Image reconstruction model for the collinear holographic data storage system

Jianhua Li, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8420, 84200E (2012) https://doi.org/10.1117/12.977340

KEYWORDS: 3D image reconstruction, Image restoration, Data modeling, Image quality, Holographic data storage systems, Optics manufacturing, Holography, Optical testing, Current controlled current source, Data storage

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Proceedings Article | 15 October 2012 Paper

Paper

Large range rotation distortion measurement for remote sensing images based on volume holographic optical correlator

Tianxiang Zheng, Liangcai Cao, Tian Zhao, Qingsheng He, Guofan Jin

Proceedings Volume 8498, 84980F (2012) https://doi.org/10.1117/12.929182

KEYWORDS: Distortion, Charge-coupled devices, Remote sensing, Crystals, Volume holography, Holography, Optical correlators, Target detection, Image processing, Multiplexing

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Proceedings Article | 15 October 2012 Paper

Paper

Collinear holographic data storage system in LiNbO3 crystal

Jianhua Li, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8497, 849708 (2012) https://doi.org/10.1117/12.929232

KEYWORDS: Crystals, Spatial light modulators, Holography, Signal processing, Holograms, Polarization, Laser crystals, Diffraction, Digital micromirror devices, Dielectrics

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Proceedings Article | 15 October 2012 Paper

Paper

Performance analysis of a volume holographic correlator based opto-electronic hybrid system for scene matching

Tian Zhao, Liangcai Cao, Tianxiang Zheng, Shunli Wang, Qingsheng He, Guofan Jin

Proceedings Volume 8420, 84200G (2012) https://doi.org/10.1117/12.975819

KEYWORDS: Image processing, Computing systems, Remote sensing, Optoelectronics, Volume holography, Holography, Optical correlators, Detection and tracking algorithms, Optical computing, Image enhancement

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Proceedings Article | 17 September 2011 Paper

Paper

Three-dimensional error correcting with matched interleaving for holographic data storage

Huarong Gu, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8157, 81570K (2011) https://doi.org/10.1117/12.893119

KEYWORDS: Remote sensing, Data storage, Holography, 3D optical data storage, Computer programming, Compact discs, Digital video discs, Telecommunications, Numerical simulations, Precision measurement

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Proceedings Article | 17 September 2011 Paper

Paper

Read-only high accuracy volume holographic optical correlator

Tian Zhao, Jingming Li, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 8120, 81200R (2011) https://doi.org/10.1117/12.892724

KEYWORDS: Spatial light modulators, Volume holography, Optical correlators, Holography, Tolerancing, Multiplexing, Optical alignment, Holograms, High power lasers, Crystals

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Proceedings Article | 8 September 2011 Paper

Paper

The effect of infrared and visible image fusion on object tracking using correlation matching

Songfeng Yin, Liangcai Cao, Guofan Jin

Proceedings Volume 8193, 81933P (2011) https://doi.org/10.1117/12.900833

KEYWORDS: Image fusion, Infrared imaging, Visible radiation, Discrete wavelet transforms, Infrared radiation, Fuzzy logic, Image processing, Target detection, Thermography, Image enhancement

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Proceedings Article | 2 December 2010 Paper

Paper

Wavelength and defocus margins of the collinear holographic storage system

Jianhua Li, Liangcai Cao, Huarong Gu, Xiaodi Tan, Qingsheng He, Guofan Jin

Proceedings Volume 7851, 785115 (2010) https://doi.org/10.1117/12.870349

KEYWORDS: Holography, Diffraction, Sensors, Point spread functions, Holograms, Spatial light modulators, Optical simulations, Data storage, Modulation, Holographic data storage systems

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Proceedings Article | 17 November 2010 Paper

Paper

Compensation for pixel mismatch based on a three-pixel model in volume holographic data storage

Huarong Gu, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 7848, 78480X (2010) https://doi.org/10.1117/12.868997

KEYWORDS: Signal to noise ratio, Spatial light modulators, Sensors, Data modeling, Data storage, Holography, Volume holography, Signal detection, Detector arrays, Holographic data storage systems

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Proceedings Article | 17 November 2010 Paper

Paper

Fiber sensors for molecular detection

Claire Gu, Xuan Yang, Jin Zhang, Rebecca Newhouse, Liangcai Cao

Proceedings Volume 7851, 785105 (2010) https://doi.org/10.1117/12.872469

KEYWORDS: Surface enhanced Raman spectroscopy, Molecules, Sensors, Raman spectroscopy, Optical filters, Spectroscopy, Reflection, Nanoparticles, Photonic crystal fibers, Signal detection

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Proceedings Article | 12 November 2010 Paper

Paper

Rotation-invariant scene matching with multi-sample parallel estimation in volume holographic correlator

Shunli Wang, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 7851, 785104 (2010) https://doi.org/10.1117/12.869007

KEYWORDS: Holography, Volume holography, Optical correlators, Image processing, Target recognition, Remote sensing, Spatial light modulators, Charge-coupled devices, Target designation, Crystals

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Proceedings Article | 21 August 2009 Paper

Paper

Parallel data processing based on high density volume holographic correlator

Liangcai Cao, Qingsheng He, Qiang Ma, Guofan Jin

Proceedings Volume 7420, 74200O (2009) https://doi.org/10.1117/12.825450

KEYWORDS: Holography, Volume holography, Optical correlators, Stars, Data processing, Databases, Modulation, Computing systems, Optical computing, Spatial light modulators

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Proceedings Article | 24 January 2008 Paper

Paper

Enhancement of recording and readout for the photopolymer holographic disk system by using a conjugate structure

Liangcai Cao, Zhen Zhao, Huarong Gu, Qingsheng He, Guofan Jin

Proceedings Volume 6827, 68270X (2008) https://doi.org/10.1117/12.760253

KEYWORDS: Diffraction gratings, Holography, Diffraction, Volume holography, Photopolymerization, Semiconductor lasers, Data storage, Photopolymers, Diodes, Absorption

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Proceedings Article | 4 January 2008 Paper

Paper

Angle amplifier based on multiplexed volume holographic gratings

Liangcai Cao, Yifei Zhao, Qingsheng He, Guofan Jin

Proceedings Volume 6832, 683216 (2008) https://doi.org/10.1117/12.760261

KEYWORDS: Optical amplifiers, Holography, Multiplexing, Volume holography, Crystals, Optical design, Scanners, Holographic optical elements, Diffraction, Beam steering

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Proceedings Article | 4 January 2008 Paper

Paper

Image preprocessing based on spatial statistics for the optical correlation recognition of aviation photographs

Yifan Sun, Qiaofeng Tan, Liangcai Cao, Kai Ni, Qingsheng He, Guofan Jin

Proceedings Volume 6832, 68321X (2008) https://doi.org/10.1117/12.756074

KEYWORDS: Photography, Image segmentation, Image processing, Holography, Volume holography, Optical correlators, Statistical analysis, Digital image processing, Image analysis, Image restoration

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SPIE Journal Paper | 1 January 2008 Open Access

Open Access

Collectible optical power of various specially shaped multimode optical fiber probes for contact sensing

Chao Lu, Claire Gu, Liangcai Cao, Qingsheng He, Guofan Jin

OE, Vol. 47, Issue 01, 010502, (January 2008) https://doi.org/10.1117/12.10.1117/1.2829151

KEYWORDS: Multimode fibers, Spherical lenses, Optical fibers, Sensors, Geometrical optics, Solids, Fiber optics sensors, Reflection, Resonance enhancement, Cladding

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Proceedings Article | 21 November 2007 Paper

Paper

Applications of phase masks in volume holographic data storage system and correlators

Wei Ren, Qiang Ma, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 6827, 682710 (2007) https://doi.org/10.1117/12.756388

KEYWORDS: Spatial light modulators, Holography, Fourier transforms, Holographic data storage systems, Data storage, Phase shift keying, Modulation, Volume holography, Binary data, Diffraction

Read Abstract +

Proceedings Article | 21 November 2007 Paper

Paper

Optical Walsh transform based on volume holographic correlator

Qiang Ma, Wei Ren, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 6827, 68270Z (2007) https://doi.org/10.1117/12.756075

KEYWORDS: Holography, Optical correlators, Volume holography, Calibration, Holograms, Computing systems, Crystals, Diffraction, Binary data, Speckle

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Proceedings Article | 21 November 2007 Paper

Paper

Optimization of the geometrical shape of the aperture in holographic data storage system

Huarong Gu, Songfeng Yin, Qiaofeng Tan, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 6827, 68271I (2007) https://doi.org/10.1117/12.755757

KEYWORDS: Holographic data storage systems, Spatial light modulators, Numerical simulations, Fourier transforms, Multiplexing, CMOS sensors, Data storage, Sensors, Lenses, Modulation

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Proceedings Article | 21 November 2007 Paper

Paper

High accurate volume holographic correlator with 4000 parallel correlation channels

Kai Ni, Zongyao Qu, Liangcai Cao, Ping Su, Qingsheng He, Guofan Jin

Proceedings Volume 6827, 68271J (2007) https://doi.org/10.1117/12.756670

KEYWORDS: Optical correlators, Crystals, Modulation, Speckle, Holograms, Volume holography, Holography, Speckle pattern, Spatial light modulators, Diffusers

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Proceedings Article | 20 January 2006 Paper

Paper

Study of dual-wavelength readout properties in volume holographic storage system

Kexin Chen, Shoujun Luo, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 6027, 60274N (2006) https://doi.org/10.1117/12.668422

KEYWORDS: Holography, Holograms, Multiplexing, Volume holography, Diffraction, Polarization, Analytical research, Spatial light modulators, Data storage, Optical spheres

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Proceedings Article | 20 January 2006 Paper

Paper

Applications of diffuser for volume holographic memory and correlator

Guofan Jin, Liangcai Cao, Qingsheng He

Proceedings Volume 6027, 60270A (2006) https://doi.org/10.1117/12.667715

KEYWORDS: Diffusers, Holography, Volume holography, Modulation, Optical correlators, Holograms, Diffraction, Multiplexing, Speckle, Computer programming

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Proceedings Article | 7 February 2005 Paper

Paper

Holographic properties of doubly doped lithium niobate crystals with indium

Qingsheng He, Yunbo Guo, Yi Liao, Liangcai Cao, Guodong Liu, Guofan Jin

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.580933

KEYWORDS: Crystals, Iron, Holography, Doping, Indium, Manganese, Holograms, Signal to noise ratio, Scattering, Data storage

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Proceedings Article | 7 February 2005 Paper

Paper

Improvement to large-capacity pattern recognition using speckle modulation and suitable time schedule

Qingsheng He, Yi Liao, Yunbo Guo, Liangcai Cao, Xiaosu Ma, Guofan Jin

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.580931

KEYWORDS: Speckle, Modulation, Holography, Optical correlators, Diffusers, Diffraction, Speckle pattern, Multiplexing, Spatial light modulators, Crystals

Read Abstract +

Proceedings Article | 3 January 2005 Paper

Paper

Bragg match with a diffuser for dual-wavelength method in volume holographic storage system

Qingsheng He, Liangcai Cao, Shoujun Luo, Kexin Chen, Guofan Jin

Proceedings Volume 5643, (2005) https://doi.org/10.1117/12.577792

KEYWORDS: Diffusers, Holography, Holograms, 3D image reconstruction, Volume holography, Diffraction, Data storage, Crystals, Imaging systems, Spatial light modulators

Read Abstract +

Proceedings Article | 22 October 2004 Paper

Paper

Improvement to holographic digital data storage system with partially coherent light

Liangcai Cao, Qingsheng He, Guofan Jin, Minxian Wu

Proceedings Volume 5557, (2004) https://doi.org/10.1117/12.559517

KEYWORDS: Holography, Diffusers, Data storage, Speckle, Imaging systems, Digital holography, Coherence (optics), Image quality, Diffraction, Spatial light modulators

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SPIE Journal Paper | 1 September 2004

Imaging spectral device based on multiple volume holographic gratings

Liangcai Cao, Xiaosu Ma, Qingsheng He, Hua Long, Minxian Wu, Guofan Jin

OE, Vol. 43, Issue 09, (September 2004) https://doi.org/10.1117/12.10.1117/1.1775231

KEYWORDS: Holography, Holograms, Diffraction, Imaging devices, Diffraction gratings, Volume holography, Multiplexing, Crystals, Optical design, Spherical lenses

Read Abstract +

Proceedings Article | 21 October 2003 Paper

Paper

Random modulation in high-density holographic data storage and correlation recognition system

Guofan Jin, Liangcai Cao, Qingsheng He, Haoyun Wei, Minxian Wu

Proceedings Volume 5206, (2003) https://doi.org/10.1117/12.505137

KEYWORDS: Speckle, Multiplexing, Holography, Modulation, Diffusers, Holograms, Volume holography, Data storage, Spatial light modulators, Signal to noise ratio

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Proceedings Article | 16 September 2003 Paper

Paper

Uniform illumination of SLM with a vibrating band-limited diffuser in a digital volume holographic storage system

Liangcai Cao, Qingsheng He, Haoyun Wei, Minxian Wu, Guofan Jin

Proceedings Volume 5069, (2003) https://doi.org/10.1117/12.533077

KEYWORDS: Diffusers, Speckle, Holography, Spatial light modulators, Digital holography, Volume holography, 3D image reconstruction, Holograms, Imaging systems, Binary data

Read Abstract +

Proceedings Article | 30 August 2002 Paper

Paper

Maximum and uniform diffraction efficiency of the multiple-volume holographic gratings in the spectrometer

Liangcai Cao, Xiaosu Ma, Qingsheng He, Minxian Wu, Guofan Jin

Proceedings Volume 4924, (2002) https://doi.org/10.1117/12.481535

KEYWORDS: Diffraction gratings, Diffraction, Holography, Holograms, Spectroscopy, Multiplexing, Crystals, Volume holography, Optical design, Modulation

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Showing 5 of 126 publications

Proceedings Volume Editor (8)

SPIE Conference Volume | 14 December 2023

First Advanced Imaging and Information Processing Conference (AIIP 2023)

SPIE Conference Volume | 6 December 2023

Holography, Diffractive Optics, and Applications XIII

SPIE Conference Volume | 20 December 2022

Holography, Diffractive Optics, and Applications XII

SPIE Conference Volume | 28 October 2021

Holography, Diffractive Optics, and Applications XI

SPIE Conference Volume | 3 November 2020

Holography, Diffractive Optics, and Applications X

Showing 5 of 8 publications

Conference Committee Involvement (58)

Quantitative Phase Imaging XI

25 January 2025 | San Francisco, California, United States

Ultra-High-Definition Imaging Systems VIII

25 January 2025 | San Francisco, California, United States

Advances in Display Technologies XV

25 January 2025 | San Francisco, California, United States

Holography, Diffractive Optics, and Applications XIV

12 October 2024 | Nantong, Jiangsu, China

Optoelectronic Imaging and Multimedia Technology XI

12 October 2024 | Nantong, Jiangsu, China

Optics and Photonics for Information Processing XVIII

21 August 2024 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII

18 August 2024 | San Diego, California, United States

Optics, Photonics and Digital Technologies for Imaging Applications VIII

9 April 2024 | Strasbourg, France

Ultra-High-Definition Imaging Systems VII

29 January 2024 | San Francisco, California, United States

Advances in Display Technologies XIV

29 January 2024 | San Francisco, California, United States

Quantitative Phase Imaging X

27 January 2024 | San Francisco, California, United States

Holography, Diffractive Optics, and Applications XIII

14 October 2023 | Beijing, China

Optics and Photonics for Information Processing XVII

23 August 2023 | San Diego, California, United States

SPIE-CLP Conference on Advanced Photonics 2023

22 August 2023 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVII

20 August 2023 | San Diego, California, United States

1st Advanced Imaging and Information Processing

26 July 2023 | Jinggangshan, China

Computing Imaging Technology

25 July 2023 | Beijing, China

Optical Sensing and Imaging Technology and Applications

25 July 2023 | Beijing, China

Ultra-High-Definition Imaging Systems VI

1 February 2023 | San Francisco, California, United States

Advances in Display Technologies XIII

30 January 2023 | San Francisco, California, United States

Holography, Diffractive Optics, and Applications XII

5 December 2022 | Online Only, China

Optics and Photonics for Information Processing XVI

24 August 2022 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVI

21 August 2022 | San Diego, California, United States

Ultra-High-Definition Imaging Systems V

21 February 2022 | San Francisco, California, United States

Advances in Display Technologies XII

24 January 2022 | San Francisco, California, United States

2021 International Conference on Optical Instruments and Technology: Optical Systems, Optoelectronic Instruments, Novel Display and Imaging Technology

12 November 2021 | Online Only, China

Holography, Diffractive Optics, and Applications XI

10 October 2021 | Nantong, JS, China

Optics and Photonics for Information Processing XV

4 August 2021 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV

2 August 2021 | San Diego, California, United States

Ultra-High-Definition Imaging Systems IV

6 March 2021 | Online Only, California, United States

Advances in Display Technologies XI

6 March 2021 | Online Only, California, United States

Conference on AI in Optics and Photonics

30 November 2020 | Beijing, China

Holography, Diffractive Optics, and Applications X

12 October 2020 | Online Only, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIV

24 August 2020 | Online Only, California, United States

Optics and Photonics for Information Processing XIV

23 August 2020 | Online Only, California, United States

Advances in Display Technologies X

5 February 2020 | San Francisco, California, United States

Ultra-High-Definition Imaging Systems III

3 February 2020 | San Francisco, California, United States

Holography, Diffractive Optics, and Applications IX

21 October 2019 | Hangzhou, China

Optics and Photonics for Information Processing XIII

13 August 2019 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIII

11 August 2019 | San Diego, California, United States

Advances in Display Technologies IX

7 February 2019 | San Francisco, California, United States

Ultra-High-Definition Imaging Systems II

2 February 2019 | San Francisco, California, United States

Holography, Diffractive Optics, and Applications VIII

11 October 2018 | Beijing, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII

19 August 2018 | San Diego, California, United States

Optics and Photonics for Information Processing XII

19 August 2018 | San Diego, California, United States

Three-Dimensional Image Acquisition and Display Technology and Applications

22 May 2018 | Beijing, China

Advances in Display Technologies VIII

31 January 2018 | San Francisco, California, United States

Ultra-High-Definition Imaging Systems

31 January 2018 | San Francisco, California, United States

Optics and Photonics for Information Processing XI

7 August 2017 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI

6 August 2017 | San Diego, California, United States

Holography, Diffractive Optics, and Applications VII

12 October 2016 | Beijing, China

Optics and Photonics for Information Processing X

29 August 2016 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications X

28 August 2016 | San Diego, California, United States

Optics and Photonics for Information Processing IX

10 August 2015 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX

9 August 2015 | San Diego, California, United States

Holography, Diffractive Optics, and Applications VI

9 October 2014 | Beijing, China

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VIII

17 August 2014 | San Diego, California, United States

ISPDI 2013: Optical Storage and Display Technology

25 June 2013 | Beijing, China

Showing 5 of 58 Conference Committees

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