CCIR勧告601に準拠した高画質3次元ディジタルカラーデコーダの開発

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  • Development of Improved Three Dimensional Digital Color Decoder Conforming to CCIR REC-601
  • CCIR カンコク 601 ニ ジュンキョシタ コウ ガシツ 3ジゲン ディジ

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This paper describes a high-performance 3-dimensional digital color decorder, that converts composit signals into component signals conforming to the CCIR Rec. 601. In order to achieve a high performance color decorder three kinds of filter a temporal-spacial comb, a two dimensional comb, and a pass band in the frequence domain are prepared.<BR>The outputs of these filters are adaptively adjusted to the quantities of cross-talk between the luminance and chrominance of each pixel, measured by a temporal-spacial comb and 2-dimensional comb filters, then added.<BR>The result and output is the high picture quality chrominance signal separated from the composite signal. Component signals are then easily obtaind using the multiplication and subtraction circuits.

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