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Color image processing method

  • US 7,245,762 B2
  • Filed: 06/05/2003
  • Issued: 07/17/2007
  • Est. Priority Date: 05/17/1999
  • Status: Expired due to Fees
First Claim
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1. A color image searching method for searching an image in a database based on a color feature of a query image, comprising the step of (a) performing a search based on representative colors of a query image and their ratio in the database indexed by assigning representative colors of a database image to a color space divided into a plurality of regions and identifying matched data in which the difference in the ratio of the representative colors of the query image is less than a predetermined threshold value in a selected data group indexed into a selected region.

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