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Comments on "On asymmetrical performance of discrete cosine transform"

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3 Author(s)
Zhongde Wang ; Dept. of Electr. Eng., Windsor Univ., Ont., Canada ; Jullien, G.A. ; Miller, W.C.

The authors first show that the gain of transform coding over PCM, the criterion for performance evaluation of a transform used in the above paper, is equivalent to the maximal-reducible-bit criterion defined by one author. Then they present a much simpler method to judge the symmetric or asymmetric performance of any discrete transform.<>

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Signal Processing, IEEE Transactions on  (Volume:42 ,  Issue: 11 )