最佳DCT量化

[Proceedings] DCC `93: Data Compression Conference Pub Date : 1993-03-30 DOI:10.1109/DCC.1993.253131

D. Monro, B. Sherlock

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引用次数: 33

摘要

本文给出了离散余弦变换用好的量化表的确定问题的一种解决方法。利用所提出的方法，系统设计者可以选择一组测试图像和一个系数加权场景，从中产生量化表，并根据所做的选择进行优化。该方法基于模拟退火，在量化表的空间中搜索以最小化所选的度量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optimum DCT quantization

The paper offers a solution to the problem of determining good quantization tables for use with the discrete cosine transform. Using the methods proposed, the designer of a system can choose a selection of test images and a coefficient weighting scenario, from which a quantization table can be produced, optimized for the choices made. The method is based on simulated annealing searches which the space of quantization tables to minimize some chosen measure.<>

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[Proceedings] DCC `93: Data Compression Conference

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