Adaptive sub-band DCT coding for HDTV si
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Kazunari Irie; Ryozo Kishimoto
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Article
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1990
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Elsevier Science
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English
โ 702 KB
This paper presents an adaptive sub-band DCT coding for high-quality HDTV signal transmission. In the coder, the first stage quadrature mirror filters (QMFs) decompose the input signal into two bands in the horizontal direction, while the second stage filters decompose the two bands into four bands