发明名称 |
Image activity in video compression |
摘要 |
Video data compression apparatus comprises means for detecting image activity values indicative of image activity for regions of an input image to be compressed; means for filtering the detected image activity values to reduce the variation in image activity values between groups of adjacent regions of the image; and means for compressing the regions of the image by a degree of data compression dependent on the image activity value for each region. |
申请公布号 |
GB9522171(D0) |
申请公布日期 |
1996.01.03 |
申请号 |
GB19950022171 |
申请日期 |
1995.10.30 |
申请人 |
SONY UNITED KINGDOM LIMITED |
发明人 |
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分类号 |
G06T5/20;G06T9/00;H03M7/30;H04N7/26;H04N7/30;H04N7/50 |
主分类号 |
G06T5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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