Method of, and apparatus for, colouring a black and white...

Details Method of, and apparatus for, colouring a black and white... Method of, and apparatus for, colouring a black and white...

H - Electricity

04

N

350/35

H04N 9/43 (2006.01) H04N 5/20 (2006.01)

Patent

CA 1258118

TITLE: METHOD OF, AND APPARATUS FOR COLOURING A BLACK AND WHITE VIDEO SIGNAL INVENTORS: Wilson Markle Christopher Mitchell ABSTRACT OF THE DISCLOSURE A method of colouring a black and white video signal is provided. At least one area of a frame is defined with reference to luminance values in that frame, and luminance levels are assigned to that area. A colour is then assigned to that area, and the area is coloured with it. In a subsequent frame, luminance levels are used to determine which part of the preceeding frame has been carried over into the subsequent frame and which portions of the subsequent frame adjacent that part have the same luminance values. That part and those portions are then coloured with the respective assigned colour.

427543

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