光学精密工程2011，Vol.19Issue(3)：681-689,9.DOI:10.3788/OPE.20111903.0681
多目标实时跟踪可编程片上系统的软件优化
Software optimization of multi-target real-time tracking SOPC system
摘要
Abstract
For the problems of complex structure, high power consumption, large size and poor antiinterference in the traditional DSP+FPGA design, a real-time multi-target tracking system based on a System on Programmble Chip(SOPC) was established and a software optimization method based on NIOS Ⅱ core and its data link was proposed. The optimization technologies for algorithm structure,data link configuration, code optimization, custom instruction and C2H were researched. Then, these technologies were applied to the multi-target tracking SOPC system to optimize algorithm structure,reduce the size of code, remove the correlation of code and implement link-layer hardware conversion to enhance the performance of software pipelining. Experimental results indicate that these optimizing technologies can improve the efficiency of software by 9-18 times. The computing time of multi-target tracking is 1.3 ms/frame and the navigation operation time is 470 μs/cycle for the image sequence of 256 pixel× 256 pixel in 100 frame/s. The system can realize real-time processing with low hardware costs, simple structure and stable performance.关键词
软件优化/多目标跟踪/实时处理/可编程片上系统Key words
software optimization/ multi-target tracking/ real-time processing/ System On Programmable Chip(SOPC)分类
航空航天引用本文复制引用
叶有时,赵保军,唐林波,蔡晓芳..多目标实时跟踪可编程片上系统的软件优化[J].光学精密工程,2011,19(3):681-689,9.基金项目
国家863高技术研究发展计划资助项目(No.2008AA8012320B) （No.2008AA8012320B）
