| 摘要 |
PCT No. PCT/EP90/00738 Sec. 371 Date Nov. 1, 1991 Sec. 102(e) Date Nov. 1, 1991 PCT Filed May 8, 1990 PCT Pub. No. WO90/13978 PCT Pub. Date Nov. 15, 1990.A method and a circuit arrangement for two-line comb filtering a sampled and digitized composite color signal are disclosed wherein, depending on the similarity status determined by means of a display area (27) via a local and temporal gradient analysis, the respective type of luma/chroma separation, namely two-line combing, combing up, combing down, or simple decoding, and the respective proportion of combing and simple decoding in the luma and chroma output signals (LO-21, CO-21) are determined for each pixel.
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