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IMAGE FEATURE IDENTIFICATION AND MOTION COMPENSATION APPARATUS, SYSTEMS, AND METHODS

  • US 20080226184A1
  • Filed: 06/06/2007
  • Published: 09/18/2008
  • Est. Priority Date: 03/14/2007
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a gradient vector calculator to calculate a gradient vector for each pixel within a block of pixels excluding pixels located along a periphery of the block of pixels to provide a plurality of gradient vectors; and

    gradient vector logic operatively coupled to the gradient vector calculator to perform a gradient vector analysis on the plurality of gradient vectors to derive a value of an image feature strength metric associated with the block of pixels.

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