Source: http://www.google.com/patents/US6282311?ie=ISO-8859-1&dq=6317900
Timestamp: 2015-04-25 22:09:35
Document Index: 103832161

Matched Legal Cases: ['Application No. 9', 'Application No. 11', 'art 1', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09']

Patent US6282311 - Using a residual image to represent an extended color gamut digital image - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA method for representing a digital image having color values with an extended color gamut in a storage color space having a limited color gamut includes adjusting the color values of the extended color gamut digital image to fit within the limited color gamut to form a limited color gamut digital image;...http://www.google.com/patents/US6282311?utm_source=gb-gplus-sharePatent US6282311 - Using a residual image to represent an extended color gamut digital imageAdvanced Patent SearchPublication numberUS6282311 B1Publication typeGrantApplication numberUS 09/162,026Publication dateAug 28, 2001Filing dateSep 28, 1998Priority dateSep 28, 1998Fee statusPaidPublication number09162026, 162026, US 6282311 B1, US 6282311B1, US-B1-6282311, US6282311 B1, US6282311B1InventorsAnn L. McCarthy, Kevin E. Spaulding, Edward J. GiorgianniOriginal AssigneeEastman Kodak CompanyExport CitationBiBTeX, EndNote, RefManPatent Citations (23), Non-Patent Citations (17), Referenced by (44), Classifications (8), Legal Events (7) External Links: USPTO, USPTO Assignment, EspacenetUsing a residual image to represent an extended color gamut digital image
US 6282311 B1Abstract
A method for representing a digital image having color values with an extended color gamut in a storage color space having a limited color gamut includes adjusting the color values of the extended color gamut digital image to fit within the limited color gamut to form a limited color gamut digital image; representing the limited color gamut digital image in the storage color space; determining a residual image representing a difference between the extended color gamut digital image and the limited color gamut digital image; and associating the residual image with the limited color gamut digital image in the storage color space such that the associated residual image and the limited color gamut digital image in the storage color space are adapted to be used to form a reconstructed extended color gamut digital image.
Reference is made to commonly assigned U.S. patent application Ser. No. 09/162,051, filed Sep. 28, 1998, entitled �Representing an Extended Color Gamut Digital Image in a Limited Color Gamut Color Space� to McCarthy et al; U.S. patent application Ser. No. 09/162,250, filed Sep. 28, 1998, entitled �Using a Set of Residual Image to Represent an Extended Color Gamut Digital Image� to McCarthy et al; U.S. patent application Ser. No. 09/162,234, filed Sep. 28, 1998, entitled �Method of Applying Manipulation to an Extended Color Gamut Digital Image� to Spaulding et al; and U.S. patent application Ser. No. 09/162,201, filed Sep. 28, 1998, entitled �A System Using One or More Residual Image(s) to Represent an Extended Color Gamut Digital Image� to McCarthy et al, the disclosures of which are incorporated herein by reference.
One preferred embodiment of the present invention is shown in FIG. 2. An extended color gamut digital image 20 has color values that are outside the limited color gamut of a storage color space. An adjust color values step 21 is used to limit the color values to those that will fit within the limited color gamut of the storage color space to form a limited color gamut digital image 22. Next, a represent image in storage color space step 23 is used to produce a storage space digital image 24. A compute residual image step 25 is used to determine a residual image 26 representing the difference between the extended color gamut digital image and the limited color gamut digital image. The storage space digital image 24 and the residual image 26 are then stored in a digital file 28 using a digital file storage step 27.
52 compress digital image
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