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Video object classification with object size calibration

  • US 10,417,493 B2
  • Filed: 11/07/2018
  • Issued: 09/17/2019
  • Est. Priority Date: 03/03/2008
  • Status: Active Grant
First Claim
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1. A method of improving performance of video analytics for a camera system in response to a detection preference of a system user, comprising:

  • receiving image data representing multiple images of a scene of a field of view of the camera system, the multiple images including representations of multiple objects, a first set of the multiple objects having members of an object class, and a second set of the multiple objects not having members of the object class;

    using video analytics implemented with a general classifier that performs general classifier steps in analyzing the received image data to produce a general classification determination classifying the multiple objects as either members or non-members of the object class;

    generating mistake metadata in response to acknowledgement by the system user that the general classification determination resulted in a mistaken classification determination based on the detection preference of the system user; and

    improving video analytics performance based on the mistake metadata by performing a specialization step in addition to the general classification steps performed, the specialization step producing for presentation to the system user a specialized classification determination of the multiple objects classified by the general classifier so as to reduce a number of future mistaken classification determinations.

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