TVQ作为图像编码技术的评价

IEEE SoutheastCon, 2004. Proceedings. Pub Date : 2004-03-26 DOI:10.1109/SECON.2004.1287915

C. Shavers, R. Li

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引用次数: 1

摘要

我们提出了一种基于tvq的图像编码技术，它可以执行基于dct的JPEG压缩。本文提出的方法消除了JPEG压缩中产生的伪影，并产生更高的峰值信噪比(PSNR)、更高的压缩比(CR)和更低的比特率分配。我们的方法是基于离散余弦变换(DCT)和矢量量化(VQ)的组合使用。这种类型的图像编码被称为变换矢量量化(TVQ)。

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Evaluation of TVQ as an Image Coding Technique

We propose an approach to a TVQ-based image coding technique that out performs DCT-based JPEG compression. The approach presented in this paper eliminates the artifacts generated in JPEG compression, and yields higher peak signal-to-noise ratios (PSNR), higher compression ratios (CR), and lower bit rate allocation. Our approach is based on the combined use of the Discrete Cosine Transform (DCT) and Vector Quantization (VQ). This type of image coding is referred to as Transform Vector Quantization (TVQ).

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来源期刊

IEEE SoutheastCon, 2004. Proceedings.

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