发明公开
EP0499303A2 Method and apparatus for shuffling and deshuffling data
失效
Vorrichtung und Verfahren zur Datenmischung und -entmischung。
- 专利标题： Method and apparatus for shuffling and deshuffling data
- 专利标题（中）： Vorrichtung und Verfahren zur Datenmischung und -entmischung。
-
申请号： EP92200203.5申请日： 1992-01-24
-
公开(公告)号： EP0499303A2公开(公告)日： 1992-08-19
- 发明人: Smidth, Peter , Coleman, Charles H. , Miller, Sidney D.
- 申请人： AMPEX SYSTEMS CORPORATION
- 申请人地址： 401 Broadway M-S 3-35 Redwood City, California 94063-3199 US
- 专利权人： AMPEX SYSTEMS CORPORATION
- 当前专利权人： AMPEX SYSTEMS CORPORATION
- 当前专利权人地址： 401 Broadway M-S 3-35 Redwood City, California 94063-3199 US
- 代理机构： Horton, Andrew Robert Grant
- 优先权： US654710 19910213
- 主分类号： H04N7/133
- IPC分类号： H04N7/133
摘要：
To equalize the information content of image data prior to compression, a shuffling and deshuffling technique divides the video image into a multitude of image blocks, and selects a predetermined number of the image blocks from different spatial locations in the image, to form a succession of data sets representative of the video image information. The selection of the image representing blocks is such that the information content in each data set is similar to the information content in each other data set and similar to the average information content of the entire video image.
公开/授权文献
- EP0499303B1 Method and apparatus for shuffling and deshuffling data 公开/授权日：1999-04-14
信息查询
