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A high quality image compression technique for low cost multimedia applications

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1 Author(s)
Tsang, P.W.M. ; Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong

A novel image compression technique suitable for low cost multimedia applications is reported. The method is a class of interpolative vector quantization which, in the past, is implemented using fix-rate subsampling and interpolating processes. In the proposed technique, a new adaptive sampling point detection algorithm is employed to construct non-uniformly spaced decimation lattice. In effect, only sampling points which have significant effects on the aliasing error are extracted; hence providing superior coding fidelity at relatively lower bit-rate

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Consumer Electronics, IEEE Transactions on  (Volume:41 ,  Issue: 1 )