Dr. Ziran Zhao Profile

Dr. Ziran Zhao

at Tsinghua Univ

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 12 September 2021 Presentation + Paper

Circularly polarized imaging for passive millimeter-wave security screening

Yayun Cheng, Lingbo Qiao, Hang Cheng, Ziran Zhao

Proceedings Volume 11868, 118680Q (2021) https://doi.org/10.1117/12.2598457

KEYWORDS: Polarization, Radiometry, Antennas, Imaging systems, Reflectors, Passive millimeter wave sensors, Passive millimeter wave imaging, Polarimetry

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Proceedings Article | 18 December 2019 Paper

Characterizing targets’ scattering property through multi-angle imaging of active MMW system

Ziye Wang, Yang Yu, Lingbo Qiao, Yingxin Wang, Ziran Zhao

Proceedings Volume 11334, 113341F (2019) https://doi.org/10.1117/12.2539619

KEYWORDS: Scattering, Imaging systems, Extremely high frequency, Electromagnetic scattering, Millimeter wave imaging, Particles, Holography, Electromagnetic simulation, Target recognition

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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

Development of the data acquisition and control system for a portable THz time-domain spectrometer

Weibo Gao, Yingxin Wang, Ziran Zhao

Proceedings Volume 8909, 89090O (2013) https://doi.org/10.1117/12.2033220

KEYWORDS: Spectroscopy, Terahertz radiation, Control systems, Field programmable gate arrays, Signal to noise ratio, Data acquisition, Sensors, Modulation, Data communications, Laser beam diagnostics

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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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Proceedings Article | 18 March 2008 Paper

MLSD-OSEM reconstruction algorithm for cosmic ray muon radiography

Yuanyuan Liu, Ziran Zhao, Zhiqiang Chen, Li Zhang, Yuxiang Xing

Proceedings Volume 6913, 691331 (2008) https://doi.org/10.1117/12.769803

KEYWORDS: Reconstruction algorithms, Muons, Scattering, Radiography, Optical spheres, Monte Carlo methods, Atmospheric particles, Numerical simulations, Particles, Expectation maximization algorithms

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Proceedings Article | 18 March 2008 Paper

PDE regularization for Bayesian reconstruction of emission tomography

Zhentian Wang, Li Zhang, Yuxiang Xing, Ziran Zhao

Proceedings Volume 6913, 69132X (2008) https://doi.org/10.1117/12.769742

KEYWORDS: Image segmentation, Reconstruction algorithms, Tomography, Image processing algorithms and systems, Image processing, Anisotropic diffusion, Denoising, Partial differential equations, Image restoration, Signal attenuation

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Proceedings Article | 26 October 2004 Paper

Eliminating beam-hardening artifacts in high-energy industrial computed tomography(ICT)

Kejun Kang, Ziran Zhao, Zhiqiang Chen, Li Zhang

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.559289

KEYWORDS: Scanning tunneling microscopy, Printed circuit board testing, Reconstruction algorithms, X-rays, Signal attenuation, X-ray computed tomography, Monte Carlo methods, Computed tomography, Computer simulations, Algorithm development

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Proceedings Article | 22 October 2004 Paper

A new supershort-scan algorithm for fan beam and cone beam reconstruction

Liang Li, Zhiqiang Chen, Kejun Kang, Ziran Zhao

Proceedings Volume 5562, (2004) https://doi.org/10.1117/12.558688

KEYWORDS: Reconstruction algorithms, Detection and tracking algorithms, Sensors, Tomography, Image restoration, CT reconstruction, Computer simulations, X-rays, X-ray sources, Error analysis

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Showing 5 of 10 publications

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