The vector quantization scheme has proven to be very effective in speech and image coding [l], where a number of samples are grouped together forming a so ...
Abstract: Presents a simple but effective algorithm to speed up the codebook search in a vector quantization scheme when a MSE criterion is used.
A simple and efficient search method for image coding Vector Quantization is suggested. It exploits both the high correlation between contiguous frames and ...
Two improved codebook search methods of vector quantization ...
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The former not only improves the encoding time of VQ, but it also guarantees that the closest codeword which it selects for each image vector must be equal to ...
A new scheme that aims to cut down on the computational cost of the vector quantization (VQ) encoding procedure is proposed in this paper.
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This algorithm speeds up the codebook search by searching only an appropriate sub-codebook instead of the whole set of codewords. Moreover, DTPC inherits ...
In this paper, we present an efficient codebook search algorithm in a VQ-based system. The proposed fast search algorithm utilizes the compactness property ...
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The Improved VQGAN paper proposes to have the codebook kept in a lower dimension. The encoder values are projected down before being projected back to high ...
A new scheme that aims to cut down on the computational cost of the vector quantization (VQ) encoding procedure is proposed in this paper.
Jul 15, 2024 · Vector quantization is a technique used to compress data by mapping high-dimensional vectors into a finite set of representative vectors, known as codebooks.