Object detection method and a video data retrieval method
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Abstract
A video data description method. Both feature data of predetermined object and feature data of background area are extracted from a frame of input video. The feature data of predetermined object and the feature data of background area are described as a descriptor of the frame.
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Citations
27 Claims
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1-20. -20. (canceled)
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21. An apparatus for describing video data, comprising:
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extracting means for extracting feature data of a predetermined object and feature data of a background area from a frame of an input video;
describing means for describing the feature data of the predetermined object and the feature data of the background area as a descriptor of the frame, the feature data of the predetermined object including an affine transformation coefficient of an area of the predetermined object, wherein the affine transformation coefficient is estimated based on movement of the predetermined object, which is approximated by an affine transformation model; and
attaching means for attaching the descriptor to the frame. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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Specification