Search Results - "Shangnan, Zhao"

Optimization of optical system for reducing tolerance sensitivity based on the high-order nodal aberration theory by Jipeng, Zhang, Guangwei, Shi, Yuqi, Huang, Shangnan, Zhao, Mingxin, Liu, Xin, Zhang

“…This paper proposes an optimization method aimed at addressing the challenge of balancing system imaging performance and tolerance performance. The method is…”
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A Design Method of Diffraction Structure Based on Metasurface for High-Resolution Spectroscopy by Hu, Jingaowa, Wang, Lingjie, Zhao, Shangnan, Ye, Haokun

“…In this paper, a design method of diffraction structure based on metasurface is proposed for light splitting and focusing simultaneously. In the method,…”
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Analysis and Prediction of Image Quality Degradation Caused by Diffraction of Infrared Optical System Turning Marks by Ye, Haokun, Zhang, Jianping, Zhao, Shangnan, Liu, Mingxin, Zhang, Xin

“…This paper addresses the issue of reduced image quality due to annular turning marks formed by single-point diamond turning (SPDT) during the processing of…”
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Optical Asymmetric Cryptosystem Based on Dynamic Foveated Imaging and Bidimensional Empirical Mode Decomposition by Wu, Yunan, Chang, Jun, Ji, Zhongye, Huang, Yi, Wang, Junya, Zhao, Shangnan

“…In this paper, we propose an asymmetric cryptosystem based on dynamic foveated imaging and bidimensional empirical mode decomposition (BEMD). Firstly, a novel…”
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A Multi-Objective Local Optimization Method for Imaging Optical Systems by Zhao, Shangnan, Wu, Hongbo, Ye, Haokun, Hu, Jingaowa, Hu, Mingyu, Zhang, Xin

“…Addressing the inherent limitations of conventional local optimization methodologies such as damping least squares (DLS) and adaptation algorithms, this study…”
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Optical Design and Simulation of Snapshot Hyperspectral Dental Imaging Spectrometer with One-Dimensional Random Coding by Cao, Jiajing, Chang, Jun, Huang, Yi, Wang, Wenxi, Guo, Xinran, Zhao, Shangnan

“…To achieve perfect teeth color reproduction, we propose the design of a snapshot hyperspectral imaging spectrometer that can accurately measure the teeth…”
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Non-Rotationally Symmetric Field Mapping for Back-Scanned Step/Stare Imaging System by Fu, Qiang, Zhang, Xin, Zhang, Jianping, Shi, Guangwei, Zhao, Shangnan, Liu, Mingxin

“…Step/stare imaging with focal plane arrays (FPAs) has become the main approach to achieve wide area coverage and high resolution imaging for long range…”
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Active compensation for perturbed coaxial reflecting space telescope using defocus point spread function and convolutional neural network by Li, Bingdao, Zhang, Xiaofang, Gu, Yun, Zhao, Shangnan, Chang, Jun

“…Active compensation for perturbed coaxial reflecting space telescope (CRST) is an effective and important means to improve the image quality, which has been…”
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Optimizing algorithm for high-precision imaging stitching systems based on spline surfaces by Huang, Yuqi, Zhang, Xin, Shi, Guangwei, Wang, Lingjie, Zhao, Shangnan, Zhang, Jipeng, Yin, Zijian, Yan, Lei

“…As optical systems continue to advance, non-uniform rational B-spline (NURBS) surfaces increasingly being considered in asymmetric optical systems due to their…”
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High-precision analysis of aberration contribution of Zernike freeform surface terms for non-zero field of view by Zhang, Shuai, Zhao, Xing, Li, Da, Feng, Hao, Zhao, Shangnan, Wang, Lingjie, Zhang, Xin

“…Clarifying the aberrations arising from freeform surfaces is of great significance for maximizing the potential of freeform surfaces in the design of optical…”
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Local super-resolution imaging of foveated areas in super-oscillating optical fields by Mu, Yu, Chang, Jun, Wu, Yunan, Ma, Ning, Zou, Lijun, Xue, Fangjia, Zhao, Shangnan

“…Herein, we propose a super-oscillation optical field foveated local super-resolution imaging method. Firstly, the post-diffraction integral equation of the…”
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Design method of zoom systems based on high-order structural aberration coefficients by Jipeng, Zhang, Guangwei, Shi, Haokun, Ye, Yuqi, Huang, Zhao, Shangnan, Xin, Zhang

“…Optical zoom systems have found widespread applications in fields such as security and mobile phone lenses. The theory of zoom lens design has also developed…”
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An improved Kernelized Correlation Filter tracking algorithm based on multi-channel memory model by Gong, Lin, Mo, Zhenchong, Zhao, Shangnan, Song, Yong

“…Aiming at the problems of serious occlusions, deformations, background clutters and so on in the process of target tracking, an improved Kernelized Correlation…”
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Infrared target detection method based on the receptive field and lateral inhibition of human visual system by Zhao, Shangnan, Song, Yong, Zhao, Yufei, Li, Yun, Li, Lin, Hao, Qun, Li, Maoyuan

“…In this paper, an infrared target adaptive detection method based on the receptive field and lateral inhibition (LI) of the human visual system is proposed. In…”
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An infrared target detection algorithm based on lateral inhibition and singular value decomposition by Li, Yun, Song, Yong, Zhao, Yufei, Zhao, Shangnan, Li, Xu, Li, Lin, Tang, Songyuan

“…•A novel infrared target detection algorithm is proposed.•A local structure descriptor is constructed to reflect local structures.•The lateral inhibition…”
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ALI-TM: A moving objects detection algorithm for infrared images with dynamic background by Zhao, Yufei, Song, Yong, Zhao, Shangnan, Li, Yun, Li, Xu, Hao, Qun, Guo, Zhengkun

“…•A moving objects detection algorithm called ALI-TM is proposed.•An adaptive threshold segmentation method is proposed.•A modified Template Matching method is…”
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