US Patent 7791759 Image processing method and apparatus
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Patent abstract
An image processing method includes the steps of detecting the dynamic range of input image data, performing edge enhancement processing to increase the number of grayscale levels of the input image data, and performing dithering processing to reduce the number of grayscale levels of each pixel of the input image data. The number of pseudo grayscale levels is determined based on a parameter indicating the level of the dynamic range and a parameter indicating the level of the edge enhancement processing.
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Patent Inventor Names
Nobuhiro Hoshi0
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US Patent 07791759 Image processing method and apparatus US Patent 7791759 Image processing method and apparatus
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Patent Number
077917590
Patent Number
77917590
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Patent Jurisdiction
Patent Number
077917590
Date of Patent
September 7, 2010
0Patent Application Number
109869440
Date Filed
November 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07791759 Image processing method and apparatus
Infobox
Is a
Patent jurisdiction
Patent number
07791759
Date of patent
September 7, 2010
Patent application number
10986944
Date Filed
November 15, 2004
Patent primary examiner
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