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IMPROVEMENTS RELATING TO VIDEO SIGNAL PROCESSING

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专利汇可以提供IMPROVEMENTS RELATING TO VIDEO SIGNAL PROCESSING专利检索,专利查询,专利分析的服务。并且In non-linear digital video processing, high frequency components resulting from the non-linearity may appear as spurious low frequencies due to mirror image spectral reflection in the sampling frequency fs. The non-linear circuit may be a gamma corrector (35). The effect of the alias components is reduced by the use of a modifier circuit (50) before the gamma corrector, and a corresponding equaliser circuit (52) after it. The modifier attenuates the high frequency signal components, especially in the region fs/4 to fs/2. The equaliser substantially reinstates the overall frequency response. Both modifier and equaliser may be transversal filters (figures 5 to 8) which, more generally, may be one dimensional or two dimensional (figures 9 and 10). The system is also particularly relevant to progressively scanned sources; including telecine.,下面是IMPROVEMENTS RELATING TO VIDEO SIGNAL PROCESSING专利的具体信息内容。

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