发明名称 Method and apparatus for white noise reduction in video images
摘要 A method and system for reducing white noise in images. The method does not require knowledge of the image blur or noise statistics, and can remove noise without causing excessive image blur. The image is separated into frequency bands which are then thresholded to remove small image changes, i.e. noise, while maintaining larger changes which are signals. The thresholded components are then recombined to produce an output image with reduced white noise.
申请公布号 US6493039(B1) 申请公布日期 2002.12.10
申请号 US19990232652 申请日期 1999.01.19
申请人 XEROX CORPORATION 发明人 HARRINGTON STEVEN J.
分类号 H04N1/409;H04N5/21;(IPC1-7):H04N5/213 主分类号 H04N1/409
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