The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2013
Filed:
Nov. 12, 2009
Yue Qiao, Longmont, CO (US);
Nenad Rijavee, Longmont, CO (US);
Vladimir V. Shestak, Fort Collings, CO (US);
Yue Qiao, Longmont, CO (US);
Nenad Rijavee, Longmont, CO (US);
Vladimir V. Shestak, Fort Collings, CO (US);
Ricoh Production Print Solutions LLC, Boulder, CO (US);
Abstract
Methods and systems herein provide for CMYK color conversion of input image data while preserving K color values during the conversion process. A color management module is operable to convert input image data from one color space to a CMYK color space. For example, the color management module may convert the image data of one device operating in a CMYK color space to a CMYK color space of another device. In doing so, the color management module preserves or maintains the K color values of the input image data during the CMYK to CMYK color conversion. The color management module may implement such by modifying input and output ICC profiles and interpolating the perceptual lightness values of the input ICC profile within the output lookup table.