发明名称 |
Method for describing motion activity in video |
摘要 |
A method describes motion activity in a video sequence. A motion activity matrix is determined for the video sequence. A threshold for the motion activity matrix is determined. Connected regions of motion vectors at least equal to the threshold are identified and measured for size. A histogram of the distribution of the sizes of the connected areas is constructed for the entire video sequence. The histogram is normalized to characterize the spatial distribution of the video sequence in a motion activity descriptor. <IMAGE> |
申请公布号 |
AU2885701(A) |
申请公布日期 |
2001.08.14 |
申请号 |
AU20010028857 |
申请日期 |
2001.01.30 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
AJAY DIVAKARAN;KADIR A. PEKER;HUIFANG SUN |
分类号 |
G06T7/20 |
主分类号 |
G06T7/20 |
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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