发明名称 |
DETECTION OF NEAR-FIELD CAMERA OBSTRUCTION |
摘要 |
A method (100) is provided for detecting an obstruction within a field of view of a camera (12) from an image (200) captured by the camera (12). The method (100) includes: analyzing the image (200) by applying edge detection (104) to the image (200), identifying (108) regions of the image (200) lacking edge content and comparing (112) a size of the identified regions to a threshold; and determining if there is an obstruction based upon a result of said comparison.
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申请公布号 |
US2013308004(A1) |
申请公布日期 |
2013.11.21 |
申请号 |
US201213472126 |
申请日期 |
2012.05.15 |
申请人 |
LIU JUAN;RAGHAVAN AJAY;PRICE ROBERT R.;PALO ALTO RESEARCH CENTER INCORPORATED |
发明人 |
LIU JUAN;RAGHAVAN AJAY;PRICE ROBERT R. |
分类号 |
G06K9/48;G06K9/62;H04N5/225 |
主分类号 |
G06K9/48 |
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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