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Method and apparatus of depth prediction mode selection

  • US 9,503,723 B2
  • Filed: 01/10/2014
  • Issued: 11/22/2016
  • Est. Priority Date: 01/11/2013
  • Status: Active Grant
First Claim
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1. A method for a pre-selection process in encoding a block of depth data for a video frame, comprising:

  • obtaining a list including one or more depth data coding modes;

    updating the list with at least one or more Depth Modeling Modes (DMMs);

    selecting one or more depth data coding modes from the list to encode the block of depth data for the video frame; and

    encoding at least one block of depth data for a video frame according to the selection of the one or more depth data coding modes;

    when a first mode in the list of the one or more depth data coding modes is not a planar coding mode, and a second mode in the list of the one or more depth data coding modes is a DC mode, adding the one or more DMMs into the list;

    when a first mode in the list of the one or more depth data coding modes is a planar coding mode, and a size of a Coding Unit (CU) is larger than 4×

    4, adding the one or more DMMs into the list, wherein the block of the depth data comprises one or more CUs;

    when a first mode in the list of the one or more depth data coding modes is a planar coding mode, adding the one or more DMMs into the list when a second mode in the list of the one or more depth data coding modes is a DC mode; and

    adding a different one or more DMMs into the list when the second mode in the list of the one or more depth data coding modes is not a DC mode.

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