Three-dimensional video composite signal demodulating method...

Details Three-dimensional video composite signal demodulating method... Three-dimensional video composite signal demodulating method...

2005-07-15

2008-09-02

Ometz, David (Department: 2622)

Television

Image signal processing circuitry specific to television

Chrominance-luminance signal separation

C348S666000, C348S609000, C348S665000

Reexamination Certificate

active

07420624

ABSTRACT:
A three-dimensional video composite signal demodulating method and system capable of inhibiting pseudo-color noises. The system has a two-dimensional luminance and chroma signal separator, a three-dimensional luminance and chroma signal separator, a luminance weighting device, a chroma weighting device and a band pass filter. The method applies the two-dimensional luminance and chroma signal separator to obtain a two-dimensional luminance and chroma signal of a pixel, next the three-dimensional luminance and chroma signal separator to determine the pixel still or not according to a two-dimensional luminance and chroma signal change between a current frame and its previous and following frames with respect to the pixel, and gives appropriate weights to luminance and chroma signals generated by the two-dimensional and the three-dimensional luminance and chroma signal separators respectively, thereby respectively adding and obtaining separated luminance and chroma signals of the pixel.

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