发明名称 |
Foreground/background segmentation in digital images |
摘要 |
An implementation efficient method of distinguishing between foreground and background regions of a digital image of a scene includes capturing two images of nominally the same scene and storing the captured images in DCT-coded format. The first image is taken with the foreground more in focus than the background and the second image is taken with the background more in focus than the foreground. Regions of the first image are assigned as foreground or background according to whether the sum of selected higher order DCT coefficients decreases or increases for the equivalent regions of the second image.
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申请公布号 |
US7868922(B2) |
申请公布日期 |
2011.01.11 |
申请号 |
US20060573713 |
申请日期 |
2006.08.21 |
申请人 |
TESSERA TECHNOLOGIES IRELAND LIMITED |
发明人 |
CIUC MIHAI;ZAMFIR ADRIAN;CAPATA ADRIAN;CORCORAN PETER;STEINBERG ERAN |
分类号 |
H04N5/232 |
主分类号 |
H04N5/232 |
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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