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In this paper, we explain a novel technique for using vector quantization (VQ) for large scale content based information retrieval of any type of images, not restricted to the compressed domain. The main problem with VQ is the size of the source vectors that is used to generate the global codebook, which represents all images in the database. We have proposed a technique, where the local codebooks...
An efficient lossless coding scheme to encode vector quantization (VQ) indices is presented in this paper. In our scheme, we have designed a new coding model based on the schemes proposed in the previous works. The computational complexity of the method is quite low and its memory requirement is small. So that it can be implemented in hardware. The experimental results show that the proposed scheme...
In this paper, we have proposed two methods to represent nonnegative integers based on the principle used in Golomb code (GC). In both methods, the given integer is successively divided with a divisor, the quotient and the remainders are then used to represent the integer. One of our methods is best suited for representing short integers and gives bit length comparable to that of Elias radic code...
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