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Visual Communications and Image Processing '95
Vector Quantization has been applied to low-bit-rate speech and image compression. One of the most serious problems for vector quantization is the high computational complexity of searching for the closest codeword in the codebook design and encoding processes. To overcome this problem, a fast algorithm, under the assumption that the distortion is measured by the squared Euclidean distance, will be proposed to search for the closest codeword to an input vector. Using the means and variances ofdoi:10.1117/12.206770 fatcat:knwyxrvsofhy5jmrjxftwqy6qa