发明名称 |
Traffic event detection in compressed videos |
摘要 |
A method detects traffic events in a compressed video. Feature vectors are extracted from the compressed video. The feature vector are provided to a Gaussian mixture hidden Markov model. Then, a maximum likelihood of the Gaussian mixture hidden Markov model is determined to classify the plurality of feature vector as traffic events.
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申请公布号 |
US7403664(B2) |
申请公布日期 |
2008.07.22 |
申请号 |
US20040787667 |
申请日期 |
2004.02.26 |
申请人 |
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. |
发明人 |
PORIKLI FAITH M.;LI XIAOKUN |
分类号 |
G06K9/46;G08G1/01;G06K9/00;G06K9/36;G08G1/04 |
主分类号 |
G06K9/46 |
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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