Method of YC separation of YC separation filter

Details Method of YC separation of YC separation filter Method of YC separation of YC separation filter

2007-03-27

2007-03-27

Tran, Trang U. (Department: 2622)

Television

Image signal processing circuitry specific to television

Chrominance-luminance signal separation

C348S663000

Reexamination Certificate

active

10448123

ABSTRACT:
A YC separation filter of 3-dimensional YC separation for separating a luminance signal and a chromatic signal adaptively to motion of picture image. The YC Separation filter controls frame delay operation of an input composite video signal per clock period based on an hd signal generated from a sub carrier phase of input composite video signal, and controls frame delay operation of the input composite-video signal per period less than 1 clock by compensation filter based on a sampling phase detection result of the input signal, one frame delayed signal and two frames delayed signal. The YC separation filter obtains one frame delayed signal and two frames delayed signal synchronized to the phase of input composite video signal even the system clock is not synchronized to the input composite video signal.

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patent: 6833875 (2004-12-01), Yang et al.
patent: 2001-112018 (2001-04-01), None

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