US Patent 7330287 Tone scale adjustment

Patent 7330287 was granted and assigned to Eastman Kodak on February, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Eastman Kodak

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73302870

Patent Inventor Names

Richard A. Sharman0

Date of Patent

February 12, 2008

Patent Application Number

102257620

Date Filed

August 22, 2002

Patent Primary Examiner

Kimberly Williams

Patent abstract

A method of processing data from a digital image to optimize the tonescale to a printer being used without operator intervention adjusts the gain and offset of the input image data to occupy the full range of the printer, adjusts the shadow and highlight regions of the input image data to move that data distribution to that expected of the printer and then uses a gamma correction stage to move the mean level of the image data toward that expected for the printer.

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