Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 25, 2010
Patent Application Number
10428751
Date Filed
May 5, 2003
Patent Primary Examiner
Patent abstract
In gradation conversion of a radiographic image, a pixel value range in an object area as a pixel value width, a representative pixel value of the object, and a curved line of the gradation conversion such that the pixel value width is adjusted to a predetermined width and the representative pixel value is adjusted to a predetermined pixel value, are extracted, and a gradation converting step is performed, of performing conversion on the image, based on the curved line of the gradation conversion.
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