Color image processing system with hue processing and...

H - Electricity – 04 – N

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354/46

H04N 9/64 (2006.01)

Patent

CA 2009510

COLOR PICTURE IMAGE PROCESSING SYSTEM ABSTRACT OF THE DISCLOSURE A color picture image processing system for effecting hue processing and hue modification based on a derivation of chrominance components, which includes a contour line determination unit for determining a contour line in response to a picture information, a contour line chrominance providing unit for determining a plurality of main points on the contour line, and determining a newly instructed chrominance vector in the main points to provide a newly instructed chrominance. The system includes a window unit for holding a new window setting resulting from a modification processing, a contour line modification unit for supplying instructions for a modification of a contour line to the contour line determination unit and a contour line inner range chrominance processing unit for providing a newly instructed chrominance in a range defined by the contour line. A synthesis processing of chrominances of picture elements constituting an instructed color picture is carried out, based on an information obtained from a lamellar component part and a vortex component part of the chrominance component of the picture information.

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