Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Tojo0
Hirotaka Shiiyama0
Date of Patent
September 18, 2007
Patent Application Number
10828476
Date Filed
April 21, 2004
Patent Primary Examiner
Patent abstract
A reference comparison image obtained from a printed material is input. The grayscale feature amount of the reference comparison image is extracted. Using the extracted grayscale feature amount, a target comparison image corresponding to the reference comparison image is retrieved from a plurality of electronic data stored as target comparison images in a storage medium. The retrieved image is extracted from the storage medium and processed.
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