Vector quantization and signal compression
Vector quantization and signal compression
An improved search algorithm for vector quantization using mean pyramid structure
Pattern Recognition Letters
A fast LBG codebook training algorithm for vector quantization
IEEE Transactions on Consumer Electronics
IEEE Transactions on Image Processing
Side match and overlap match vector quantizers for images
IEEE Transactions on Image Processing
Image coding using variable-rate side-match finite-state vector quantization
IEEE Transactions on Image Processing
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This paper presents a new image compression scheme based on vector quantization (VQ) that exploits the inter-block and intra-block correlations in grayscale images. The similar block prediction technique is designed to encode the image blocks by their similar neighboring encoded blocks. Besides, two codebooks are used in the proposed scheme to exploit the intra-block correlation within each image block. Experimental results show that the proposed scheme not only provides good image qualities but also cuts down the required bit rates.