JPEG2000算法从PC机向DSP移植的关键技术研究  

Research of Key Techniques on Transplant of JPEG2000 from PC to DSP

作　　者：任广辉[1] 胡高军[1] 吴芝路[1] 

机构地区：[1]哈尔滨工业大学电子与信息技术研究院,哈尔滨150001

出　　处：《计算机工程与应用》2005年第12期85-87,232,共4页Computer Engineering and Applications

摘　　要：JPEG2000作为新一代的图像压缩标准,提供了诸多优越的性能和特征。文章分析了JPEG2000编码过程,探讨了其DSP实现的关键技术,在DSP环境下移植实现了JPEG2000编码算法,并成功通过评估板测试,促进了JPEG2000在移动终端的应用。As a new standard of image compression,JPEG2000 provides a set of higher performance as well as new features.To address the applications of JPEG2000 in mobile area,this paper studies the key techniques about the implementation of JPEG2000 based on DSP after analyzing the JPEG2000 coding process.And tests have now been carried out which reveal that the coding algorithms of JPEG2000 are successfully implemented on DSP.

关 键 词：JPEG2000 输入输出流 定点数 DWT 算术编码 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]