发明名称 VIDEO CONTENT SCENE CHANGE DETERMINATION
摘要 <p>An apparatus and method of detecting scene changes within a video frame sequence. A video data frame pixel array is partitioned into pixel groups within a frame difference engine. Video data matching of each pixel group is compared between a preceding and following video frame. By way of example pixel group matching can be determined in response to comparing the sums of absolute pixel luminance and/or chrominance differences between corresponding pixels in corresponding pixel groups within the sequential frames against a threshold value. If an insufficient number of pixel groups match, then a scene change signal is output, such as to the encoder which decides whether to encode the entire frame or changes from prior frames. A media communication system is also described, preferably implemented within an SoC, which wirelessly communicates encoded video data for substantially simultaneous viewing by a receiver.</p>
申请公布号 WO2005017781(A1) 申请公布日期 2005.02.24
申请号 WO2004US18315 申请日期 2004.06.08
申请人 SONY ELECTRONICS INC. 发明人 GADRE, SHIRISH;SUBRAMANIAN, PATTABIRAMAN;CHU, CHUNGKUANG, PETER;TSUKAGOSHI, IKUO
分类号 H04N5/14;(IPC1-7):G06F17/30;H04N7/26 主分类号 H04N5/14
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