Mr. Long Ma Profile

Long Ma

at Shenyang Institute of Automation

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 3 September 2024 Paper

Paper

Multispectral imaging light estimation based on convolutional neural networks

Long Ma, Fengqi Zhao

Proceedings Volume 13227, 1322708 (2024) https://doi.org/10.1117/12.3035177

KEYWORDS: Tunable filters, Light sources, Light sources and illumination, Convolutional neural networks, Optical filters, Image filtering, Education and training, Error analysis, Multispectral imaging, Color

Read Abstract +

Proceedings Article | 5 July 2024 Paper

Paper

Multi-spectral illumination estimation based on residual network

Fengqi Zhao, Long Ma

Proceedings Volume 13183, 1318318 (2024) https://doi.org/10.1117/12.3033887

KEYWORDS: Light sources and illumination, Light sources, Tunable filters, Multispectral imaging, Gaussian filters, Imaging systems, Feature extraction, RGB color model, Optical filters, Neural networks

Read Abstract +

Proceedings Article | 11 August 2023 Paper

Paper

Study on spectral adaptive transformation based on chromatic aberration

Long Ma, Haitang Chen

Proceedings Volume 12785, 1278505 (2023) https://doi.org/10.1117/12.2687939

KEYWORDS: Light sources, Tunable filters, Matrices, Multispectral imaging, Cameras, Optical filters, Color difference, Reconstruction algorithms, Chromatic aberrations, Gaussian filters

Read Abstract +

Proceedings Article | 11 August 2023 Paper

Paper

Camera spectral sensitivity estimation based on spectrally tunable LED illumination

Long Ma, Bowen Xu

Proceedings Volume 12785, 1278504 (2023) https://doi.org/10.1117/12.2687937

KEYWORDS: Light sources, Light emitting diodes, Cameras, Digital cameras, Particle swarm optimization, Error analysis

Read Abstract +

Proceedings Article | 11 August 2023 Paper

Paper

Optimization of RGB image spectral reconstruction based on radial basis function networks

Long Ma, Zhipeng Qian

Proceedings Volume 12785, 1278507 (2023) https://doi.org/10.1117/12.2687949

KEYWORDS: RGB color model, Education and training, Data modeling, Reconstruction algorithms, Image restoration, Hyperspectral imaging, Cross validation, Cameras, Chemical species, Matrices

Read Abstract +

Proceedings Article | 11 August 2023 Paper

Paper

Metamer mismatch volume calculation method based on high-dimensional spherical sampling

Kuan Xu, Long Ma, Peng Li

Proceedings Volume 12785, 1278503 (2023) https://doi.org/10.1117/12.2687942

KEYWORDS: Metamerism, Spherical lenses, Reflectivity, Light sources, Imaging systems, Spectral response, Sampling rates, Matrices, Design and modelling, Computer programming

Read Abstract +

Proceedings Article | 11 August 2023 Paper

Paper

Improved color accuracy of the camera using optimized matching illumination method

Long Ma, Jie Chen

Proceedings Volume 12785, 1278506 (2023) https://doi.org/10.1117/12.2687940

KEYWORDS: Cameras, Tunable filters, Optical filters, Light sources and illumination, Light sources, Transmittance, Digital cameras, Design and modelling, Color, Modulation

Read Abstract +

Proceedings Article | 11 August 2022 Paper

Paper

Color characterization of multispectral camera based on pattern search algorithm

Long Ma, Haitang Chen

Proceedings Volume 12307, 1230709 (2022) https://doi.org/10.1117/12.2643642

KEYWORDS: Picosecond phenomena, Cameras, Data modeling, Optical filters, Digital filtering, Reflectivity, Multispectral imaging, Reconstruction algorithms, Neural networks, RGB color model

Read Abstract +

Proceedings Article | 11 August 2022 Paper

Paper

Rank-based camera spectral sensitivity estimation under multiple illuminations

Bowen Xu, Long Ma, Peng Li

Proceedings Volume 12307, 1230708 (2022) https://doi.org/10.1117/12.2643637

KEYWORDS: Cameras, Signal to noise ratio, Interference (communication), Reflectivity, Light sources, Digital cameras, Statistical analysis, Numerical simulations, Error analysis, Visible radiation

Read Abstract +

Proceedings Article | 18 June 2021 Paper

Paper

Recovery of camera spectral sensitivity based on multi-objective optimization method

Long Ma, Qian Gao, Shuo Chen, Changjun Li, Kaida Xiao

Proceedings Volume 11850, 1185018 (2021) https://doi.org/10.1117/12.2599753

Read Abstract +

Proceedings Article | 18 June 2021 Paper

Paper

Skin spectral reconstruction in multispectral imaging

Long Ma, Yingying Zhu

Proceedings Volume 11850, 118501A (2021) https://doi.org/10.1117/12.2599755

Read Abstract +

Proceedings Article | 10 November 2020 Paper

Paper

Optimal color selection for root-polynomial color correction

Long Ma, Xue Liu

Proceedings Volume 11584, 115840D (2020) https://doi.org/10.1117/12.2579640

KEYWORDS: RGB color model, Cameras, Colorimetry

Read Abstract +

Proceedings Article | 17 December 2015 Paper

Paper

Spectral image reconstruction through the PCA transform

Long Ma, Xuewei Qiu, Yangming Cong

Proceedings Volume 9811, 98110C (2015) https://doi.org/10.1117/12.2204745

KEYWORDS: Cameras, Principal component analysis, Reflectivity, Image restoration, Digital imaging, Image quality, Device simulation, Color difference, Imaging systems, Image analysis

Read Abstract +

Proceedings Article | 8 December 2011 Paper

Paper

Watermarking spectral images with three-dimensional discrete wavelet transform and singular value decomposition under various illumination conditions

Long Ma, Changjun Li, Shuni Song, Deping Zhao

Proceedings Volume 8002, 80020T (2011) https://doi.org/10.1117/12.900511

KEYWORDS: Digital watermarking, Image compression, Databases, 3D image processing, Discrete wavelet transforms, Signal to noise ratio, Wavelet transforms, Color reproduction, Reflectivity, Image quality

Read Abstract +

Proceedings Article | 23 November 2011 Paper

Paper

Spectral images browsing using principal component analysis and set partitioning in hierarchical tree

Long Ma, Deping Zhao

Proceedings Volume 8006, 80061Y (2011) https://doi.org/10.1117/12.900513

KEYWORDS: Principal component analysis, Image compression, Wavelets, Color reproduction, Imaging spectroscopy, Visualization, Databases, Visual compression, Remote sensing, Imaging systems

Read Abstract +

Proceedings Article | 30 October 2009 Paper

Paper

Lossless compression of multispectral images using spectral information

Long Ma, Zelin Shi

Proceedings Volume 7494, 749416 (2009) https://doi.org/10.1117/12.831985

KEYWORDS: Multispectral imaging, Image compression, JPEG2000, Algorithm development, Statistical analysis, Imaging systems, Computer programming, Quantization, Imaging spectroscopy, Data storage

Read Abstract +

Proceedings Article | 5 August 2009 Paper

Paper

Compression of multispectral images using spectral correlation and SPIHT algorithm

Long Ma, Zelin Shi, Yonghong Chen, Xusheng Tang

Proceedings Volume 7383, 73833K (2009) https://doi.org/10.1117/12.839629

KEYWORDS: Image compression, Multispectral imaging, Wavelets, Wavelet transforms, Reconstruction algorithms, Hyperspectral imaging, Algorithm development, Data acquisition, Infrared imaging, Bismuth

Read Abstract +

Showing 5 of 17 publications

SIGN IN TO:

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Advertisement

Advertisement