Color picture image processing system for separating color...

H - Electricity – 04 – N

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350/41

H04N 9/04 (2006.01) H04N 9/64 (2006.01)

Patent

CA 1286767

COLOR PICTURE IMAGE PROCESSING SYSTEM FOR SEPARATING COLOR PICTURE IMAGE INTO PIXELS ABSTRACT OF THE DISCLOSURE A color picture image processing system with edge detection for separating a color picture image into pixels, transmitting vector signals constituting chrominance components of pixel data in a corresponding relationship with a transmission of scalar signals corresponding to luminance components of the pixel data, and reproducing the color picture image from the trans- mitted vector signals and scalar signals, the system including: a calculation processing unit for separating chrominance components of pixels constituting the color picture image into lamellar components and vortex components, a lamellar vector analysis connecting unit for generating divergence components representing the lamellar components separated in the calculation processing unit in the form of a differentiation and carrying out edge formation, a vortex vector analysis connecting unit for generating rotation components representing the vortex components separated in the calculation processing unit in the form of a differentiation, and an edge extracting unit for comparing at least one of the output of the lamellar vector analysis connecting unit and the output of the vortex vector analysis connecting unit with a predetermined value and carrying out a detection of an edge of the color picture image based on the result of the comparison.

567563

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