Abstract-The contour-gain vector quantizer (VQ) is a product code. VQ that is motivated by the asymptotic equipartition principle of in- formation theory.
Abstract: An information-theory motivation for considering a contour-gain codebook structure is given and an iterative contour-gain vector quantizer (CGVQ) ...
Quantization of contour's (a) normal and (b) gradient vectors. The quantized images of normal and gradient are shown in (c) and (d), respectively. The quantized ...
This tutorial review presents the basic concepts employed in vector quantization and gives a realistic assessment of its benefits and costs
Image Contour Clustering by Vector Quantization on ... Contour Clustering by Vector Quantization. Suppose ... Image coded by shape/gain vector quantization.
Its gain codewords indicate concentric contours of constant PDF. In this paper an information theory motivation of the CSVQ is presented with its basic ...
Apr 20, 2018 · Vector quantizers that function in this manner are called gain-shape vector quantizers. The pyramid quantizer discussed earlier is an example of ...
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Abstact—This paper presents a new fingerprint coding technique based on contourlet transform and multistage vector quantization.
Transform image coding is considered using scalar quantization, pyramid vector quantization (PVQ), weighted pyramid vector quantization (WPVQ) and generalized ...
Vector quantizers of one and two bits per sample are designed for a training sequence of 640000 speech samples and tested on a speaker not in the training ...