Prof. Yunhui Zhu Profile

Prof. Yunhui Zhu

Assistant Professor at Virginia Polytechnic Institute and State Univ

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 12 April 2021 Paper

Contrast transfer function with sinusoidal illumination for super resolved phase imaging

Sibi Chakravarthy Shanmugavel, Yunhui Zhu

Proceedings Volume 11731, 117310B (2021) https://doi.org/10.1117/12.2587817

KEYWORDS: Phase imaging, Holography, Contrast transfer function, Super resolution, Microscopy, Image resolution, Diffraction, Transmittance, Phase shifts, Near field diffraction

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Proceedings Article | 5 March 2021 Presentation + Paper

Hierarchical synthesis network: a frequency extraction technique for structured illumination-based phase retrieval

Xiaofeng Wu, Ziling Wu, Sibi Chakravarthy Shanmugavel, Yunhui Zhu

Proceedings Volume 11653, 116530Y (2021) https://doi.org/10.1117/12.2584563

KEYWORDS: Phase retrieval, Phase imaging, Phase shift keying, Phase measurement, Modulation, Diffraction, Spatial frequencies, Signal attenuation, Reconstruction algorithms, Neural networks

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Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Transport of intensity phase imaging with Wiener deconvolution for enhanced visibility

Sibi Chakravarthy Shanmugavel, Yunhui Zhu

Proceedings Volume 11653, 116531E (2021) https://doi.org/10.1117/12.2583263

KEYWORDS: Deconvolution, Visibility, Phase imaging, Imaging systems, Interference (communication), Image filtering, Contrast transfer function, Phase retrieval, Image enhancement, Filtering (signal processing)

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Proceedings Article | 5 March 2021 Poster + Presentation + Paper

High resolution phase imaging with transport of intensity equation and sinusoidal illumination

Sibi Chakravarthy Shanmugavel, Yunhui Zhu

Proceedings Volume 11653, 116531K (2021) https://doi.org/10.1117/12.2579647

KEYWORDS: Image resolution, Signal to noise ratio, Phase imaging, Signal processing, Diffraction, Phase shift keying, Optical transfer functions, Modulation, Filtering (signal processing), Digital filtering

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Proceedings Article | 21 May 2020 Paper

Learning a model-based neural network for quantitative phase imaging based on the transport of intensity

Xiaofeng Wu, Ziling Wu, Yunhui Zhu

Proceedings Volume 11396, 1139604 (2020) https://doi.org/10.1117/12.2558361

KEYWORDS: Model-based design, Phase retrieval, Neural networks, Phase imaging, Physics, Reconstruction algorithms, Optimization (mathematics)

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Proceedings Article | 27 April 2020 Presentation

3D damage detection in porous materials via advanced X-ray phase tomography (Conference Presentation)

Yunhui Zhu, Ziling Wu, Ting Yang, Ling Li

Proceedings Volume 11404, 114040D (2020) https://doi.org/10.1117/12.2558215

KEYWORDS: Tomography, X-rays, Damage detection, 3D acquisition, Phase retrieval, Machine vision, Computer vision technology, Reconstruction algorithms, Data modeling, Model-based design

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Proceedings Article | 14 February 2020 Presentation + Paper

Structured illumination-based phase retrieval via Generative Adversarial Network

Ziling Wu, Xiaofeng Wu, Yunhui Zhu

Proceedings Volume 11249, 112490L (2020) https://doi.org/10.1117/12.2547551

KEYWORDS: Spatial frequencies, Phase retrieval, Phase imaging, Gallium nitride, Phase shift keying, Neural networks, Modulation, Image processing, Image retrieval, Fourier transforms

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Proceedings Article | 14 May 2019 Presentation + Paper

A hierarchical reconstruction of x-ray phase tomography based on transferred non-local structural features

Ziling Wu, Ting Yang, Ling Li, Yunhui Zhu

Proceedings Volume 10999, 109990N (2019) https://doi.org/10.1117/12.2519055

KEYWORDS: Tomography, Reconstruction algorithms, X-rays, CT reconstruction, X-ray computed tomography, Radon transform, Diffraction, Network architectures, Yield improvement, 3D metrology

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Proceedings Article | 13 May 2019 Presentation + Paper

Hierarchical convolutional network for sparse-view X-ray CT reconstruction

Ziling Wu, Ting Yang, Ling Li, Yunhui Zhu

Proceedings Volume 10990, 109900V (2019) https://doi.org/10.1117/12.2521239

KEYWORDS: Tomography, X-rays, CT reconstruction, Diffraction, Image restoration, X-ray imaging, Reconstruction algorithms, Feature extraction, Machine learning, Phase imaging

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Proceedings Article | 21 May 2018 Paper

Feature-based sparse angle tomography reconstruction for dynamic characterization of bio-cellular materials

Ziling Wu, Ting Yang, Ling Li, Yunhui Zhu

Proceedings Volume 10669, 106690O (2018) https://doi.org/10.1117/12.2304935

KEYWORDS: Correlation function, CT reconstruction, Tomography, Spine, X-rays, X-ray computed tomography, X-ray imaging, Compressed sensing, Algorithms, Temporal resolution

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Proceedings Article | 1 May 2017 Paper

Texture orientation-resolving imaging with structure illumination

Ziling Wu, Xiaolong Li, Yunhui Zhu

Proceedings Volume 10222, 102220M (2017) https://doi.org/10.1117/12.2262700

KEYWORDS: Scattering, Absorption, Modulation, Laser scattering, Signal attenuation, X-rays, Light scattering, Optical spheres, X-ray imaging, Sensors

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Proceedings Article | 12 May 2016 Paper

Absorption-phase duality in structured illumination transport of intensity (TIE) phase imaging

Yunhui Zhu

Proceedings Volume 9847, 984709 (2016) https://doi.org/10.1117/12.2229094

KEYWORDS: Absorption, X-rays, Phase retrieval, Phase imaging, Phase shift keying, Refractive index, Signal attenuation, Modulation, X-ray imaging, Spatial frequencies

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Proceedings Article | 22 February 2011 Paper

Interference of FSBS and Kerr effect in a standard highly nonlinear fiber

Yunhui Zhu, Jing Wang, Rui Zhang, Daniel Gauthier

Proceedings Volume 7917, 79170Z (2011) https://doi.org/10.1117/12.876817

KEYWORDS: Acoustics, Kerr effect, Resonance enhancement, Scattering, Optical fibers, Light scattering, Waveguides, Dispersion, Single mode fibers

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Proceedings Article | 17 February 2011 Paper

Fiber-length dependence of slow light with a swept-frequency source

Rui Zhang, Yunhui Zhu, Jing Wang, Daniel Gauthier

Proceedings Volume 7949, 794909 (2011) https://doi.org/10.1117/12.876805

KEYWORDS: Slow light, Solids, Scattering, Optical fibers, Light scattering, Optical coherence tomography, Transparency, Telecommunications, Photonic crystal fibers, Beam splitters

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Showing 5 of 14 publications

Conference Committee Involvement (11)

Anomaly Detection and Imaging with X-Rays (ADIX) IX

24 April 2024 | National Harbor, Maryland, United States

Anomaly Detection and Imaging with X-Rays (ADIX) VIII

3 May 2023 | Orlando, Florida, United States

Computational Imaging VII

1 May 2023 | Orlando, Florida, United States

Anomaly Detection and Imaging with X-Rays (ADIX) VII

4 April 2022 | Orlando, Florida, United States

Computational Imaging VI

12 April 2021 | Online Only, Florida, United States

Showing 5 of 11 Conference Committees

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