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Performance of Transform Coding for Carrier Chrominance Signals

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2 Author(s)
Murakami, H. ; KDD Labs., Tokyo, Japan ; Yamamoto, H.

This paper describes the results of theoretical studies made on performance of various kinds of intrafield two-dimensional transform codings (Hadamard, cosine, and slant) for carrier chrominance signals, by introducing a new measure (transform coefficients of zero variance) for such coding performances. In addition, a comparative study of the performance of these transform codings is performed for different sampling frequencies(2f_{sc}, 3f_{sc}, 4f_{sc})with the same transmission rate, taking into account the tradeoff between the number of bits assigned to a picture element at each sampling frequency and the autocorrelation between adjacent picture elements.

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Communications, IEEE Transactions on  (Volume:32 ,  Issue: 3 )