基于Linux的嵌入式实时视频跟踪系统

Real-time Video Transmission System Based on Linux

摘要:

将ARM与DSP相结合,设计并实现了一套嵌入式实时视频传输跟踪系统；该系统以集成ARM和DSP双内核的OMAP3730作为核心处理器,首先通过ARM上搭载的Linux操作系统实现基于V4L2的图像采集功能,然后调用DSP完成H.264视频编码,压缩后的图像由基于实时流传输协议的流媒体服务器传输至远程计算机端解码并显示,最后利用camshift跟踪算法实现对运动目标物体的实时跟踪。该系统是小型无人机自主导航与控制的视觉导航以及以无人机为平台的运动目标检测的基础,有很好的应用前景。

Abstract:

The research and implementation of a video transmission system based on ARM and DSP are introduced. The system use chip OMAP3730 which is a dual-core processor as its CPU. The program of capturing pictures run on Linux for ARM is based on V4L2. Then, the pictures are encoded to the H.264 format by DSP. The encoded images are transferred to the remote computer by the stream media server based on RTSP,then use the Camshift tracking algorithm for the real-time tracking of moving target object.The system can be used as the basement of visual navigation and moving target detection, where small UAV is applied as the implementation platform, which has broad application prospects.