QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Identifying natural images and computer generated graphics based on binary similarity measures of PRNU. 期刊论文 Multimedia Tools & Applications, 2019, 卷号: Vol.78 No.1, 页码: 489-506 作者:  Long, Min;  Peng, Fei;  Zhu, Yin 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/13 Binary similarity measures  Image source identification  Photo response non-uniformity noise (PRNU)   Identifying natural images and computer generated graphics based on binary similarity measures of PRNU 期刊论文 MULTIMEDIA TOOLS AND APPLICATIONS, 2019, 卷号: Vol.78 No.1, 页码: 489-506 作者:  Long, M;  Peng, F;  Zhu, Y 收藏  |  浏览/下载：16/0  |  提交时间：2019/12/17 Image source identification  Binary similarity measures  Photo response non-uniformity noise (PRNU)   Temperature-dependent photoluminescence of inorganic perovskite nanocrystal films 期刊论文 Rsc Advances, 2016, 卷号: 6, 期号: 82 作者:  Li, J. M.;  X. Yuan;  P. T. Jing;  J. Li;  M. B. Wei 收藏  |  浏览/下载：19/0  |  提交时间：2017/09/11 Influence of electronic nonlinearities of space camera on MTF and their discriminance 期刊论文 Guangxue Jingmi Gongcheng/Optics and Precision Engineering, 2015, 卷号: 23, 期号: 11, 页码: 3219-3226 作者:  Li, J.-L.;  Y.-F. Guo;  J.-Q. Li and T.-J. Lan 收藏  |  浏览/下载：8/0  |  提交时间：2016/08/24 Research on radiometric calibration of interline transfer CCD camera based on TDI working mode (EI CONFERENCE) 会议论文 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 Wu X.-X.; Liu J.-G. 收藏  |  浏览/下载：18/0  |  提交时间：2013/03/25 Interline transfer CCD camera can be designed to work in time delay and integration mode similar to TDI CCD to obtain higher responsivity and spatial resolution under poor illumination condition. However it was found that outputs of some pixels were much lower than others' as interline transfer CCD camera work in TDI mode in laboratory radiometric calibration experiments. As a result photo response non-uniformity(PRNU) and signal noise ratio(SNR) of the system turned for the worse. This phenomenon's mechanism was analyzed and improved PRNU and SNR algorithms of interline transfer CCD camera were advanced to solve this problem. In this way TDI stage was used as a variant in PRNU and SNR algorithms and system performance was improved observably with few influences on use. In validation experiments the improved algorithms was applied in radiometric calibration of a camera with KAI-0340s as detector. Results of validation experiments proved that the improved algorithms could effectively improve SNR and lower PRNU of the system. At the same time characteristic of the system could be reflected better. As working in 16 TDI stages  PRUN was reduced from 2.25% to 0.82% and SNR was improved about 2%. 2010 Copyright SPIE - The International Society for Optical Engineering.