发明名称 |
Industrial site/public place/traffic route remote surveillance system having current image reference image compared with block transformation measuring spatial activity providing digital intrusion signal/reference comparing. |
摘要 |
The video camera surveillance system subtracts pixel by pixel the current image from a reference image. A block transform is carried out producing transformed coefficients, and obtaining a spatial activity measure over the resultant image. A digital intrusion signal is found and compared with a reference intrusion detection level (12). |
申请公布号 |
FR2814895(A1) |
申请公布日期 |
2002.04.05 |
申请号 |
FR20000013002 |
申请日期 |
2000.10.11 |
申请人 |
TELEDIFFUSION DE FRANCE TDF |
发明人 |
BAINA JAMAL;GERARDIN OLIVIER |
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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