发明名称 |
Method and system for measurement of the duration an area is included in an image stream |
摘要 |
A system and method for calculation of the duration a target area included within an image stream utilizes a three-dimensional model of at least one target area within a site. A counter is incremented during periods, for example on a frame-by-frame basis, when the target area is included in the image stream.
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申请公布号 |
US7206434(B2) |
申请公布日期 |
2007.04.17 |
申请号 |
US20010903122 |
申请日期 |
2001.07.10 |
申请人 |
VISTAS UNLIMITED, INC. |
发明人 |
OVERTON KENNETH J.;MUENCH MARK S.;HAYDEN, JR. CHARLES H.;CARMICHAEL NORMAN S. |
分类号 |
G06K9/00;H04N17/00;G06T7/20;G06T7/60 |
主分类号 |
G06K9/00 |
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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