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| 基于粒子群优化算法的分形图像压缩编码 | |
| 引用本文： | 张爱华,江中勤,张华. 基于粒子群优化算法的分形图像压缩编码[J]. 微机发展, 2010, 0(2): 21-24 |
| 作者姓名： | 张爱华 江中勤 张华 |
| 作者单位： | 南京邮电大学; |
| 摘 要： | 针对基本分形图像方法中编码时间过长的问题和提高IFS自适应图像压缩编码方法的适应能力，在按人类视觉对比灵敏度分类的基础上，提出了一种源于鸟群捕食系统模型的粒子群优化算法（PSO）的分形图像IFS自适应压缩编码的新算法，这种自适应编码算法利用图像的自相似性以及应用PSO在分形编码过程中局部迭代函数系统（PIFS）参数的搜索。通过Matlab6．0实验仿真实验结果表明，此方法有效减小了搜索空间，加快了编码速度。基于视觉特性的粒子群分形编码算法明显优于传统的分形块编码算法。 |
| 关 键 词： | 分形图像编码 函数迭代系统 粒子群算法 |
Fractal Image Compression Coding Based on PSO |
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| ZHANG Ai-hua,JIANG Zhong-qin,ZHANG Hua. Fractal Image Compression Coding Based on PSO[J]. Microcomputer Development, 2010, 0(2): 21-24 | |
| Authors: | ZHANG Ai-hua JIANG Zhong-qin ZHANG Hua |
| Affiliation: | ZHANG Ai-hua,JIANG Zhong-qin,ZHANG Hua(Nanjing University of Posts , Telecommunications,Nanjing 210003,China) |
| Abstract: | For the basic method of fractal image coding time costed long and improve the problem of adaptive IFS image compression coding method of the adaptive capacity,in the human visual contrast sensitivity in accordance with the basis of classification,a model of predator-prey system from the birds of the particle swarm optimization(PSO) of the IFS fractal image compression coding of the new adaptive algorithm is presented.This adaptive image coding algorithm using the self-similarity,as well as the application o... |
| Keywords: | fractal image coding system of function iterate particle swarm algorithm |
| 本文献已被 CNKI 维普 等数据库收录！ | |