中国科学院机构知识库网格
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Modulation transfer function measurement of sampled imaging systems in field test (EI CONFERENCE) 会议论文  OAI收割
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, April 26, 2010 - April 29, 2010, Dalian, China
作者:  
Yang L.;  Zhang J.;  Zhang J.;  Zhang J.;  Wang J.
收藏  |  浏览/下载:30/0  |  提交时间:2013/03/25
A digital mirror device (DMD) based light projector was developed as the target generator in modulation transfer function (MTF) measurement. In order to overcome the sampling-scene phase effect in MTF measurement of sampled imaging systems  a method using random targets is introduced to yield a phase-averaged MTF. The main potential problem of implementing this method is the fact that the stationary assumption of the random targets may be vitiated in practical measurement  especially in field test due to the ill condition. We provide an efficient model-independent way of analyzing and isolating the spectral contents arising from these additional contributions to MTF measurement. Algorithms with adaptive parameter selection were also developed for spectral estimation of the test image in order to overcome the challenge brought by the size limit of the test matrices for one certain field of view derived from the isoplantic region. The MTF measurement of a CCD video imager is used to demonstrate the measurement technique and illustrate the benefits over other methods. In order to validate the results  comparisons have been made between MTF measurements of imager implemented using this method and bar target direct measurements. 2010 Copyright SPIE - The International Society for Optical Engineering.  
Modulation transfer function measurement technique for image sensor arrays (EI CONFERENCE) 会议论文  OAI收割
6th International Symposium on Precision Engineering Measurements and Instrumentation, August 8, 2010 - August 11, 2010, Hangzhou, China
作者:  
Jiang H.
收藏  |  浏览/下载:22/0  |  提交时间:2013/03/25
An automatic mtf measurement method for remote sensing cameras 期刊论文  iSwitch采集
Optoelectronics and advanced materials-rapid communications, 2009, 卷号: 3, 期号: 7, 页码: 650-654
作者:  
Wang, Tianhui;  Li, Shengyang;  Li, Xuzhi
收藏  |  浏览/下载:30/0  |  提交时间:2019/05/10
Influence of the TDI CCD camera takes pictures when high resolution satellite lateral swaying (EI CONFERENCE) 会议论文  OAI收割
2009 IEEE International Conference on Mechatronics and Automation, ICMA 2009, August 9, 2009 - August 12, 2009, Changchun, China
作者:  
Zhang L.;  Zhang L.;  Sun Z.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25
MTF measurement based on interactive live-wire edge extraction 会议论文  OAI收割
Computational Science - ICCS 2007, Pt 2, Proceedings, Berlin
Liu, Peng; Liu, Dingsheng; Huang, Fang
收藏  |  浏览/下载:18/0  |  提交时间:2014/12/07