Methods and systems of updating motion models for object trackers in video analytics

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United States of America Patent

PATENT NO 10115005
APP PUB NO 20180046857A1
SERIAL NO

15384997

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Techniques and systems are provided for processing video data. For example, techniques and systems are provided for performing context-aware object or blob tracker updates (e.g., by updating a motion model of a blob tracker). In some cases, to perform a context-aware blob tracker update, a blob tracker is associated with a first blob. The first blob includes pixels of at least a portion of one or more foreground objects in one or more video frames. A split of the first blob and a second blob in a current video frame can be detected, and a motion model of the blob tracker is reset in response to detecting the split of the first blob and the second blob. In some cases, a motion model of a blob tracker associated with a merged blob is updated to include a predicted location of the blob tracker in a next video frame. The motion model can be updated by using a previously predicted location of blob tracker as the predicted location of the blob tracker in the next video frame in response to the blob tracker being associated with the merged blob. The previously predicted location of the blob tracker can be determined using a blob location of a blob from a previous video frame.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bi, Ning San Diego, US 134 2705
Chen, Ying San Diego, US 891 19090
Gao, Jinglun Milpitas, US 17 95
Wang, Lei Clovis, US 2169 19344

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