发明名称 |
SUBJECT CHANGE DETECTION DEVICE AND SUBJECT CHANGE DETECTION METHOD |
摘要 |
The invention detects a change in a subject by detecting the subject from an image, acquiring a feature quantity distribution that indicates shape information of the detected subject, accumulating the shape information that is indicated by the acquired feature quantity distribution and comparing the shape information a predetermined period of time before with the current shape information by using the accumulated shape information. Here, the invention acquires the feature quantity distribution of the subject from a processing target area extracted from an image area that includes the subject. The invention detects a change in the subject by using accumulated shape change information acquired from the shape information. The invention detects a change in the subject by using averaged shape change information obtained by averaging the shape change information. |
申请公布号 |
EP2759997(A1) |
申请公布日期 |
2014.07.30 |
申请号 |
EP20110872617 |
申请日期 |
2011.09.20 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
OGAWA, MASAHIRO;KINDO, TOSHIKI;FUNAYAMA, RYUJI;FUKAMACHI, AKIO |
分类号 |
G08G1/16;G06K9/00;G08B13/196;G08B25/00;G08G1/08 |
主分类号 |
G08G1/16 |
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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