Difference-guided video analysis

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United States of America Patent

PATENT NO 11593961
SERIAL NO

17120331

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method can include obtaining, from a video having a first resolution, a set of frames having a second resolution. The first resolution can be higher than the second resolution. The set of frames can include a first frame and a second frame. The method can include generating a difference feature map. The method can include obtaining a third frame having the first resolution. The method can include detecting, based on the difference feature map, a first location of a first object in the third frame. The method can include cropping, from the third frame, a first cropped area. The first cropped area can be smaller than a third frame area. The method can include generating, based on a feature map and the difference feature map, a spatial attention layer. The method can include detecting, by the spatial attention layer, the first object in the first cropped area.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Lingyun Beijing, CN 66 546
Wang, Qing Beijing, CN 398 2404
Zhang, Shi Lei Beijing, CN 54 707

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