Optimization for a Parallel JPEG Algorithm

XUE Yong-ling; LIU Ke; LI Feng-ting

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Optimization for a Parallel JPEG Algorithm

更新时间：2025-07-16

- Optimization for a Parallel JPEG Algorithm
- Acta Electronica Sinica Vol. 30, Issue 2, Pages: 160-162(2002)
- 作者机构：
  
  清华大学电子工程系,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.81
- Published：2002
- 稿件说明：
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XUE Yong-ling, LIU Ke, LI Feng-ting. Optimization for a Parallel JPEG Algorithm[J]. Acta Electronica Sinica, 2002, 30(2): 160-162.
DOI：

XUE Yong-ling, LIU Ke, LI Feng-ting. Optimization for a Parallel JPEG Algorithm[J]. Acta Electronica Sinica, 2002, 30(2): 160-162. DOI：

摘要

本文结合指令级并行32位定点处理器的结构特点

对JPEG算法中DCT、量化及Huffman编码等步骤

提出一些适于并行处理算法和数据结构的优化方法

以有效发挥其高速并行的性能.模拟结果表明本文的方法显著提高了JPEG算法并行实现的效率

适于图像压缩的一些实时应用.

Abstract

This paper describes some methods on optimizing parallel processing and data structure for DCT

quantization

and Huffman coding of JPEG algorithm with parallel instruction of 32 bits fixed-point processors

in order to develop its parallel processing capability effectively.The result of simulation indicates that the methods obviously speed up parallel implementation of JPEG Algorithm

being applicable to the real-time image compression.

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