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Compact and robust signature for large scale visual search, retrieval and classification
Compact and robust signature for large scale visual search, retrieval and classification
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机译:紧凑而强大的签名,可进行大规模的视觉搜索,检索和分类
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摘要
A method for deriving a representation of an image, by processing signals corresponding to the image, comprises identifying a plurality of feature points in the image, deriving feature descriptors of feature points, and assigning feature descriptors to pre-defined center points, wherein each feature descriptor is assigned to a plurality of center points, the method further comprising, for each center point, calculating the difference between each feature descriptor assigned to said center point, deriving a value descriptor for each center point from said calculated differences, and deriving the representation from said value descriptors for said center points.
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