Prof. Zhiqiang Chen Profile

Prof. Zhiqiang Chen

at Tsinghua Univ

SPIE Involvement:

Author

Publications (31)

Proceedings Article | 1 April 2024 Presentation + Paper

An alternative Bayesian reconstruction of sparse-view CT by optimizing deep learning parameters

Changyu Chen, Zhiqiang Chen, Li Zhang, Yuxiang Xing

Proceedings Volume 12925, 1292518 (2024) https://doi.org/10.1117/12.3008509

KEYWORDS: Image restoration, Image quality, Deep learning, Computed tomography, Anatomy, Data modeling, CT reconstruction, Image enhancement

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Proceedings Article | 7 April 2023 Poster

Comparison of two simulation methods in x-ray-grating-based dark-field imaging for lung tissues

Peiyuan Guo, Li Zhang, Hewei Gao, Yuxiang Xing, Zhentian Wang, Zhiqiang Chen

Proceedings Volume 12463, 124634Y (2023) https://doi.org/10.1117/12.2651557

KEYWORDS: Lung, Tissues, X-rays, X-ray imaging, Diffusion, Visibility, Imaging systems, Wavefronts, Wave propagation, Projection systems

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Proceedings Article | 15 February 2021 Poster + Presentation + Paper

3D image reconstruction for symmetric-geometry CT with linearly distributed source and detector in a stationary configuration

Tao Zhang, Hewei Gao, Li Zhang, Yuxiang Xing, Zhiqiang Chen

Proceedings Volume 11595, 115953S (2021) https://doi.org/10.1117/12.2581070

KEYWORDS: Sensors, Computed tomography, 3D image processing, Image restoration, Tomography, Reconstruction algorithms, X-ray sources, X-ray computed tomography, Temporal resolution, Manufacturing

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Proceedings Article | 16 March 2020 Presentation + Paper

A preclinical large-field-of-view x-ray multi-contrast lung imaging prototype

Xinbin Li, Zhiqiang Chen, Li Zhang, Hewei Gao, Chengpeng Wu, Xiaohua Zhu

Proceedings Volume 11312, 113121A (2020) https://doi.org/10.1117/12.2549560

KEYWORDS: X-rays, Imaging systems, Prototyping, X-ray imaging, Absorption, Lung, X-ray detectors, Lung imaging, Phase contrast

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Proceedings Article | 28 May 2019 Paper

Attenuation correction for x-ray fluorescence computed tomography (XFCT) utilizing transmission CT image

Siyuan Zhang, Liang Li, Zhiqiang Chen

Proceedings Volume 11072, 110722N (2019) https://doi.org/10.1117/12.2534823

KEYWORDS: Photons, X-ray computed tomography, X-ray fluorescence spectroscopy, Image transmission, Computed tomography, X-rays

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Proceedings Article | 28 May 2019 Paper

Synthesize monochromatic images in spectral CT by dual-domain deep learning

Chuqing Feng, Zhiqiang Chen, Kejun Kang, Yuxiang Xing

Proceedings Volume 11072, 1107229 (2019) https://doi.org/10.1117/12.2534921

KEYWORDS: Neural networks, X-ray computed tomography, Calibration, Computed tomography, Photon counting, CT reconstruction

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Proceedings Article | 28 May 2019 Paper

Inverse-geometry CT with linearly distributed source and detector: stationary configuration and direct filtered-backprojection reconstruction

Tao Zhang, Yuxiang Xing, Hewei Gao, Zhiqiang Chen, Li Zhang

Proceedings Volume 11072, 110722T (2019) https://doi.org/10.1117/12.2534817

KEYWORDS: Sensors, Reconstruction algorithms, X-ray computed tomography, Detection and tracking algorithms, Detector arrays, Linear filtering, Computed tomography, Algorithm development, Imaging systems, Head

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Proceedings Article | 10 May 2019 Paper

Simulation study of Compton camera imaging for human head phantom proton therapy

Zhiyang Yao, Zhiqiang Chen, Yongshun Xiao

Proceedings Volume 11068, 110680I (2019) https://doi.org/10.1117/12.2523274

KEYWORDS: Head, Monte Carlo methods, In vivo imaging, Cameras, Reconstruction algorithms, Device simulation, Computer simulations, Optical simulations, Gamma ray imaging

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SPIE Journal Paper | 16 November 2017

Full-field fan-beam x-ray fluorescence computed tomography system design with linear-array detectors and pinhole collimation: a rapid Monte Carlo study

Siyuan Zhang, Liang Li, Ruizhe Li, Zhiqiang Chen

OE, Vol. 56, Issue 11, 113107, (November 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.11.113107

KEYWORDS: Sensors, Monte Carlo methods, Gadolinium, Gold, Imaging systems, X-ray fluorescence spectroscopy, Computed tomography, In vivo imaging, Luminescence, Computing systems

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Proceedings Article | 4 October 2016 Presentation + Paper

Simultaneous x-ray fluorescence and K-edge CT imaging with photon-counting detectors

Liang Li, Ruizhe Li, Siyuan Zhang, Zhiqiang Chen

Proceedings Volume 9967, 99670F (2016) https://doi.org/10.1117/12.2238528

KEYWORDS: Sensors, Photon counting, X-ray computed tomography, X-ray fluorescence spectroscopy, X-rays, Photons, Signal attenuation, X-ray detectors, X-ray imaging, Gold

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SPIE Journal Paper | 10 June 2016

Geometric estimation method for x-ray digital intraoral tomosynthesis

Liang Li, Yao Yang, Zhiqiang Chen

OE, Vol. 55, Issue 06, 063105, (June 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.6.063105

KEYWORDS: Sensors, X-rays, X-ray sources, Calibration, X-ray detectors, Radiography, X-ray imaging, Optical engineering, Detection and tracking algorithms, Lithium

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SPIE Journal Paper | 7 July 2014

Identification and quantitative analysis of chemical compounds based on multiscale linear fitting of terahertz spectra

Lingbo Qiao, Yingxin Wang, Ziran Zhao, Zhiqiang Chen

OE, Vol. 53, Issue 07, 074102, (July 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.7.074102

KEYWORDS: Terahertz radiation, Quantitative analysis, Absorption, Chemical compounds, Databases, Chemical analysis, Spectroscopy, Scattering, Terahertz spectroscopy, Optical engineering

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Proceedings Article | 23 August 2013 Paper

Fringe removal for continuous-wave terahertz imaging based on cartoon-texture decomposition

Lingbo Qiao, Yingxin Wang, Ziran Zhao, Zhiqiang Chen

Proceedings Volume 8909, 89090P (2013) https://doi.org/10.1117/12.2033629

KEYWORDS: Terahertz radiation, Imaging systems, Signal detection, Image processing, Image fusion, Reflectors, Continuous wave operation, Sensors, Reflection

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SPIE Journal Paper | 7 January 2013

X-ray digital intra-oral tomosynthesis for quasi-three-dimensional imaging: system, reconstruction algorithm, and experiments

Liang Li, Zhiqiang Chen, Ziran Zhao, Dufan Wu

OE, Vol. 52, Issue 01, 013201, (January 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.1.013201

KEYWORDS: Sensors, X-rays, X-ray imaging, Radiography, Imaging systems, Digital x-ray imaging, Reconstruction algorithms, Modulation transfer functions, Teeth, X-ray sources

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