Interpolator for television special effects system

Details Interpolator for television special effects system Interpolator for television special effects system

H - Electricity

04

N

350/3, 350/53

H04N 5/262 (2006.01)

Patent

CA 1254996

23 Abstract A first pair of input data words represent two adjacent pixels on a first line of a first field of a video signal in interlaced format, a second pair of input data words represent two adjacent pixels of a first line of a second field of the video signal, and a third pair of input data words repre- sent two adjacent pixels of a second line of the second field. The first and second lines of the second field are adjacent lines in that field and the first line of the first field is between the first and second lines of the second field. The positions on their respective lines of the pixels represented by the second and third pairs of input data words correspond to the positions on the first line of the first field of the pixels represented by the first pair of input data words. The first, second and third pairs of data words are read from memory, and are processed by interpolating among them to generate an output data word. The relative contributions to the output data word of the three pairs of input data words depend on whether an indication is provided that there is motion in the region of the frame in which the pixels represented by the second pair of input data words appear.

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