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RULES FOR MERGING BLOCKS OF CONNECTED COMPONENTS IN NATURAL IMAGES

  • US 20130194448A1
  • Filed: 01/23/2013
  • Published: 08/01/2013
  • Est. Priority Date: 01/26/2012
  • Status: Abandoned Application
First Claim
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1. A method to determine whether to merge blocks of regions of an image, the method comprising:

  • checking whether a first block and a second block that are located adjacent to one another and not overlapping one another in the image are such that a first projection of the first block on a straight line and a second projection of the second block on the straight line satisfy a test of overlap;

    wherein the first block comprises a first region in the image with a first plurality of pixels that are contiguous with one another and comprising a first local extrema of intensity in the image;

    wherein the second block comprises a second region in the image with a second plurality of pixels that are contiguous with one another and comprising a second local extrema of intensity in the image;

    merging a first set of positions indicative of the first region in the first block with a second set of positions indicative of the second region in the second block to obtain a merged set of positions in a merged block, based at least on an outcome of the test of overlap;

    wherein the first region and the second region do not contact one another in the merged block;

    wherein the merged block comprises at least the first plurality of pixels in the first block and the second plurality of pixels in the second block; and

    storing information related to the merged block in a memory;

    wherein at least one of the checking, the merging and the storing are performed by one or more processors.

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