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For image compression, the better compression rate can be achieved by vector quantization (VQ) scheme, but the quality of the recovered image is about 27 to 30 dB in PSNR, and the methods about quality improvement is limited, so how to improve the VQ decompressed image¡¦s quality is a worth studying issue. In this paper, a new approach of VQ encoding is proposed, that we transform each image into...
With the growth of Internet, Image compression has become a popular issue. Since the traditional Vector Quantization (VQ) produces compressed images with a quality at about 27 to 30 dB or so, the techniques of quality improvement is limited. Thus in this paper, we proposed an adaptive image compression method based on VQ, which can adjust the encoding of the difference map between the original image...
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