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ENCODER CIRCUIT AND ENCODING METHOD

  • US 20160065985A1
  • Filed: 08/24/2015
  • Published: 03/03/2016
  • Est. Priority Date: 09/01/2014
  • Status: Active Grant
First Claim
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1. An encoder circuit, comprising:

  • a reduction circuit configured to generate reduced images of a plurality of patterns with respect to each of macroblocks, each of a plurality of frame images included in video being divided into the macroblocks;

    a statistical processing circuit configured to perform statistical processing on motion vectors detected with respect to each of the macroblocks;

    a first motion search circuit configured to select one of the reduced images of the plurality of patterns generated by the reduction circuit with respect to the frame image of a reference frame, based on a result of the statistical processing, and search a first search range in the selected one of the reduced images so as to detect a first motion vector; and

    a second motion search circuit configured to search a second search range set in the reference frame based on the first motion vector so as to detect a second motion vector.

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