Patent ID: 6122012
Filing Date: 2000-09-19
Classification: H04N

Abstract:
A method of selectively controlling an individual color of a digital video input image, the steps of the method being performed by a data processor, the method comprising the steps of:(a) receiving the digital video input image, featuring pixels;(b) characterizing the digital video input image and its target output image;(c) selecting an individual color of the digital video input image to be controlled;(d) defining a set of individual color look-up-tables according to an individual color;(e) defining a set of individual color control functions according to an individual color for calculating values in said set of individual color look-up-tables;(f) assigning values to color control parameters in said set of individual color control functions;(g) inserting initial values into said set of individual color look-up-tables;(h) determining new values in said set of individual color look-up-tables;(i) determining values of pixels in said target output image from said new values in said set of individual color look-up-tables; and(j) displaying said target output image on a video display device, said target output image includes a change in an individual color of the digital video input image, whereby all other colors of the digital video input image remain unchanged.