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

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.