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Depth image compression

  • US 9,557,836 B2
  • Filed: 11/01/2011
  • Issued: 01/31/2017
  • Est. Priority Date: 11/01/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method of compressing a depth image comprising probability information, the method comprising:

  • receiving an image comprising a plurality of image elements having depth values and probability distributions over a plurality of classes representing the likelihood that the image elements are members of the classes;

    for the image elements, calculating probability masses for the classes, the probability masses calculated based on probability values of the image elements being related to the classes multiplied by squares of the depth values of the image elements;

    calculating, a plurality of output elements at lower resolution than the received image at least through aggregating the image elements on the basis of the probability masses; and

    clustering output elements to find positions of centers of the classes.

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