索引输出点在一个基于晶格的矢量量化器

Proceedings 1995 Canadian Conference on Electrical and Computer Engineering Pub Date : 1995-09-05 DOI:10.1109/CCECE.1995.528097

M. Khataie, M. Soleymani

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引用次数: 1

摘要

提出了一种基于点阵矢量量化器码字索引的新方法。使用这种方法，可以选择具有大量格点的码本。因此，压缩图像的质量可以非常高。对于某些图像，与JPEG相比，我们的方法显示出1.5 dB的改进。这种方法适用于中等到高矢量尺寸的应用。

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Indexing the output points in a lattice based vector quantizer

A new method for indexing the codewords of a lattice based vector quantizer (LBVQ) is presented. With this method, a codebook with a large number of lattice points can be selected. As a result, the quality of the compressed image can be very high. For some images, our methods shows up to a 1.5 dB improvement in comparison with JPEG. This method is suitable for applications with moderate to high vector dimensions.

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Proceedings 1995 Canadian Conference on Electrical and Computer Engineering

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