Mr. Yijian Wu Profile

Yijian Wu

at Beijing Institute of Technology

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Author

Publications (8)

Proceedings Article | 24 August 2017 Presentation + Paper

Design and implementation of a large depth-of-field and large aperture optical system

Xiaohu Guo, Lingqin Kong, Yijian Wu, Yuejin Zhao, Liquan Dong, Ming Liu

Proceedings Volume 10376, 103760E (2017) https://doi.org/10.1117/12.2273195

KEYWORDS: Modulation transfer functions, Iris, Lens design, Image restoration, Computer programming, Imaging technologies, New and emerging technologies, Modulation

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Proceedings Article | 9 September 2015 Paper

Research on signal-to-noise ratio characteristics and image restoration for wavefront coding

Yijian Wu, Yuejin Zhao, Xiaohu Guo, Liquan Dong, Wei Jia, Ming Liu, Ji Zhao, Yun Liu

Proceedings Volume 9598, 95980O (2015) https://doi.org/10.1117/12.2186367

KEYWORDS: Signal to noise ratio, Wavefronts, Image restoration, Filtering (signal processing), Modulation transfer functions, Imaging systems, Image compression, Interference (communication), Image processing, Image quality

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Proceedings Article | 2 September 2015 Paper

Research on the algorithm of infrared target detection based on the frame difference and background subtraction method

Yun Liu, Yuejin Zhao, Ming Liu, Liquan Dong, Mei Hui, Xiaohua Liu, Yijian Wu

Proceedings Volume 9596, 959607 (2015) https://doi.org/10.1117/12.2187230

KEYWORDS: Target detection, Detection and tracking algorithms, Infrared radiation, Infrared imaging, Infrared detectors, Video, Image processing, Video processing, Image segmentation, Image enhancement

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Proceedings Article | 31 August 2015 Paper

The study of gas species on THz generation from laser-induced air plasma

Ji Zhao, LiangLiang Zhang, YiJian Wu, Tong Wu, Hui Yuan, CunLin Zhang, YueJin Zhao

Proceedings Volume 9585, 958509 (2015) https://doi.org/10.1117/12.2186920

KEYWORDS: Terahertz radiation, Argon, Plasma, Helium, Gases, Nitrogen, Pollution control, Electrons, Chemical species, Femtosecond phenomena

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Proceedings Article | 25 September 2014 Paper

Research on the controlling thermal defocus aberration for the infrared imaging system based on wavefront coding

Di Chen, Liquan Dong, Yuejin Zhao, Xiaohua Liu, Cuiling Li, Xiaohu Guo, Zhu Zhao, Yijian Wu

Proceedings Volume 9192, 919209 (2014) https://doi.org/10.1117/12.2060475

KEYWORDS: Wavefronts, Imaging systems, Infrared imaging, Modulation transfer functions, Image compression, Image restoration, Control systems, Temperature metrology, Thermography, Optical design

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Proceedings Article | 12 September 2014 Paper

The analysis and design of multiple phase plane for wave front coding system

Xiaohu Guo, Yuejin Zhao, Yijian Wu, Wei Jia

Proceedings Volume 9193, 91930D (2014) https://doi.org/10.1117/12.2060202

KEYWORDS: Wavefronts, Modulation transfer functions, Optical design, Objectives, Imaging systems, Chromatic aberrations, Monochromatic aberrations, Optoelectronics, Optical aberrations, Image processing

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Proceedings Article | 23 December 2013 Paper

Principle study and numerical simulation of a new super-resolution optical structure

Xiaohu Guo, Yuejin Zhao, Bing Li, Yijian Wu, Wei Jia

Proceedings Volume 9043, 904311 (2013) https://doi.org/10.1117/12.2037242

KEYWORDS: Transmittance, Point spread functions, Super resolution, Modulation, Diffraction, Numerical simulations, Computer simulations, Fourier transforms, Dispersion, Far-field diffraction

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Proceedings Article | 19 December 2013 Paper

Research on a novel image restoration algorithm for the wave-front coding system

Weiyu Liu, Liquan Dong, Tong Zhang, Wei Jia, Yijian Wu, Xiaohua Liu, Yuejin Zhao, Jinhui Xing

Proceedings Volume 9045, 90451K (2013) https://doi.org/10.1117/12.2037489

KEYWORDS: Image restoration, Image processing, Image quality, Image compression, Imaging systems, Digital image processing, Image filtering, Filtering (signal processing), Point spread functions, Wavelets

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Showing 5 of 8 publications

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