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Method and system to characterize video background changes as abandoned or removed objects

  • US 10,235,599 B2
  • Filed: 07/03/2018
  • Issued: 03/19/2019
  • Est. Priority Date: 03/04/2013
  • Status: Active Grant
First Claim
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1. A method for analyzing video data in a security system, the method comprising:

  • comparing a background model to video data to identify at least one patch of changed pixels between the background model and the video data;

    generating masks based on the at least one patch of changed pixels that define contours around the at least one patch of changed pixels; and

    applying the masks to the background model and the video data to determine whether the at least one patch of changed pixels is characteristic of an abandoned object or a removed object.

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