This paper presented a new, fast, and efficient quantization method for image compression with wavelet transform. This method combines the efficiency of Vector Quantization with the simple of Scalar Quantization. It needs neither training, nor multiplication.
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袁卫卫,王国秋,沙基昌.混合量化与基于小波的图像压缩[J].国防科技大学学报,1997,19(4):77-80. Yuan Weiwei, Wang Guoqiu, Sha Jichang. Hybrid Quantization in Image Compression with Wavelet Transform[J]. Journal of National University of Defense Technology,1997,19(4):77-80.