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METHOD FOR DETECTING PARTICULAR OBJECT FROM IMAGE AND APPARATUS THEREOF

  • US 20100014758A1
  • Filed: 07/14/2009
  • Published: 01/21/2010
  • Est. Priority Date: 07/15/2008
  • Status: Abandoned Application
First Claim
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1. An image processing apparatus comprising:

  • a first derivation unit configured to derive feature quantities in a plurality of local regions in an image;

    an attribute discrimination unit configured to discriminate respective attributes of the derived feature quantities according to characteristics of the feature quantities;

    a region setting unit configured to set a region-of-interest in the image;

    a second derivation unit configured to discriminate attributes of the feature quantities contained in the region-of-interest based on the attributes discriminated by the attribute discrimination unit, and to derive likelihoods with respect to a predetermined plurality of types of objects in the region-of-interest according to discriminated attributes;

    a dictionary selection unit configured to select a dictionary, from among a plurality of dictionaries set in advance, which represents a feature quantity specific to the object, according to the derived likelihoods; and

    an object discrimination unit configured to discriminate objects in the region-of-interest, based on the feature quantity specific to the object extracted from the selected dictionary, and the feature quantities in the region-of-interest.

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