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Double layer local contrast measure and multi-directional gradient comparison for small infrared target detection 期刊论文
Optik, 2022, 卷号: 258
作者:  Ren, Long;  Pan, Zhibin;  Ni, Yue
Adobe PDF(8746Kb)  |  收藏  |  浏览/下载：184/2  |  提交时间：2022/04/02
Infrared (IR) small target detection  Double layer local contrast  Multi-directional gradient  
Visual inspection system for battery screen print using joint method with multi-level block matching and K nearest neighbor algorithm 期刊论文
Optik, 2022, 卷号: 250
作者:  Zhao, Zhuo;  Li, Bing;  Liu, Tongkun;  Zhang, Shaojie;  Lu, Jiasheng;  Geng, Leqi;  Cao, Jie
Adobe PDF(10105Kb)  |  收藏  |  浏览/下载：212/0  |  提交时间：2021/12/07
Machine vision  Defect inspection  Template matching  Active shape model  K nearest neighbor  
Correction of the error induced by obscurations of Ritchey-Chretien collimators for high-resolution space camera MTF measured with the ISO 12233 slanted-edge method 期刊论文
Optik, 2021, 卷号: 235
作者:  Liu, Shangkuo;  Liu, Kai;  E, Kewei;  Wang, Tao;  Li, Zhaohui;  Yao, Baoli
Adobe PDF(3150Kb)  |  收藏  |  浏览/下载：175/4  |  提交时间：2021/03/29
Modulation transfer function  Space camera  Slanted-edge method  Obscuration  
Application research of high-precision laser beam pointing technology in airborne aiming pod 期刊论文
Optik, 2019, 卷号: 183, 页码: 775-782
作者:  Xie, Meilin;  Liu, Peng;  Ma, Caiwen;  Hao, Wei;  Zhang, Furui;  Huang, Wei;  Lian, Xuezheng
Adobe PDF(1404Kb)  |  收藏  |  浏览/下载：234/5  |  提交时间：2019/04/08
Airborne aiming pod  Composite axis  Laser beam pointing technology  Atmospheric turbulence  
Generation of vortex beams with multi topological charges, high purity and operating on broadband using a simple silver metasurface 期刊论文
Optik, 2018, 卷号: 175, 页码: 319-327
作者:  Zhang, Xiaodong;  Kong, Depeng;  Li, Siqi;  Wang, Lili
Adobe PDF(2687Kb)  |  收藏  |  浏览/下载：246/0  |  提交时间：2018/10/17
Vortex Beam  Metasurface  Space-variant Polarization