| 发明名称 |
METHODS AND APPARATUS FOR DETECTING ON-SCREEN MEDIA SOURCES |
| 摘要 |
Methods and apparatus for detecting on-screen media sources are disclosed. An example method includes monitoring a region of interest of a video signal for a first image, comparing the first image to a stored image, and confirming the media device change when the stored image differs from the first image and is associated with a secondary criterion. |
| 申请公布号 |
HK1132871(A1) |
申请公布日期 |
2012.07.06 |
| 申请号 |
HK20100100279 |
申请日期 |
2010.01.12 |
| 申请人 |
THE NIELSEN COMPANY(US)LLC |
发明人 |
MIN ZHANG;DAVID HOWELL WRIGHT;SCOTT COOPER;REGINA DYKSTRA;ARUN RAMASWAMY;DANIEL NELSON |
| 分类号 |
G06K;G11B;H04N5/445;H04N7/16 |
主分类号 |
G06K |
| 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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