一种基于TMS320C6678多核处理器的JPEG实时解码优化算法  

A JPEG real-time decoding optimization algorithm based on multicore DSP TMS320C6678

作　　者：彭益智[1] 

机构地区：[1]江苏自动化研究所,江苏连云港222061

出　　处：《电子技术应用》2017年第6期45-47,共3页Application of Electronic Technique

摘　　要：针对电子信息系统应用中数字视频的实时处理要求,在解析JPEG解码原理的基础上,针对多核DSP的系统架构,提出了多核DSP任务并行设计方法,设计了基于TMS320C6678的JPEG解码系统,实现了解码任务并行流水和核间高效通信。实验结果表明,基于TMS320C6678的JPEG解码系统的实时处理能力有很大提升,在电子信息系统数字视频传输与处理领域有广泛应用前景。Focus on the real-time processing requirement for digital video in electronic information system applications, based on the analysis of JPEG decoding, proposes a method of multicore DSP task-level parallel implementation for the system architecture of multicore DSP, and design a JPEG decoding system based on TMS320C6678, implement decoding task-level parallel pipeline and efficient inter-core communication. Experimental results show that the real-time processing capability of JPEG decoding system based on TMS320C6678 has improved so much and broaded application prospect in the field of digital video transmission and pro-cessing of electronic information systems.

关 键 词：数字视频 JPEG 多核DSP TMS320C6678 实时 

分 类 号：TP317[自动化与计算机技术—计算机软件与理论]