基于TMS320C6455的视频动目标检测装置设计

摘要

介绍一种基于高速DSP芯片TMS320C6455构建的视频动目标检测装置,有效地利用6455的大容量内存空间等特点,采用EDMA功能实现了高速数据传输的乒乓缓冲结构设计,软件设计是基于背景更新的动目标检测算法,测试结果证明该装置功能完备,实时性好,环境适应性强,在实时监控等领域有很大的应用前景.%This paper introduces a kind of video moving object detection device composed of a high-performance TMS320C6455 DSP. The device utilizes the characteristics of large memory space of TMS320C6455, describes how to use enhanced direct-memory-access (EDMA) and ping-pong buffering strategy to implement high speed data transmission.Software design is based on moving target detection algorithms of back-ground update. The test result confirms that the device has complete functions, good real-time, better adaptability to environments of the characteristics. It fits applications of realtime monitoring scene.