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Method and apparatus for determining image affine flow using artifical neural system with simple cells and lie germs

  • US 5,535,302 A
  • Filed: 12/01/1994
  • Issued: 07/09/1996
  • Est. Priority Date: 12/01/1994
  • Status: Expired due to Fees
First Claim
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1. An artificial neural system for extracting local image affine flow information from visual stimuli comprising:

  • a) time differentiation means for receiving time-varying image intensity signal and providing image time-derivative signal;

    b) hypercolumn (HC) reference frame means coupled to said time differentiation means for receiving said image time-derivative signal and providing HC-time-derivative signal;

    c) hypercolumn (HC) Lie differentiation means for receiving image intensity signal and providing six HC-Lie-derivative signals;

    d) least square error fitting means coupled to said HC-reference frame means and said HC-Lie differentiation means for receiving HC-time-derivative signal and six HC-Lie-derivative signals and determining local affine flow.

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