运动跟踪测量相机的设计与实现

Design and Implementation of Motion Capture Measurable Camera

针对运动跟踪问题,设计了一种千兆网测量相机,在相机中做基本的单点空间运动坐标的抽取计算,极大简化了系统结构并提高了系统性能。千兆网测量相机采用CMOS图像传感器CMV2000,具有高帧高清的性能;采用高速高性能FPGA做驱动器和数据处理器,集成度高。在FPGA内嵌入Micro Blaze软核处理器设计了片上系统(SOC);采用了一种基于直线段的连通域快速检测算法,实时计算数字图像的多个标志点的空间坐标;用以太网MAC核(TEMAC)和88E1111高速以太网收发器实现千兆网传输,将运动物体的空间坐标数据发送到上位机。测试结果表明,系统运行稳定,数据测量的实时性和精度都满足要求,具有很大的应用价值。

In order to solve the problem of motion tracking,a gigabit ethernet measurable camera was designed. It made the first coordinate calculation in the camera,which simplified the structure of the motion tracking system and improved the performance of the motion tracking system. CMV2000 image sensor was used to obtain image data of high resolution at high frame rates. A high performance FPGA was used as drivers and processor,making it high level of integration. Then Micro Blaze soft-core processor embedded in Spartan6 FPGA was used to design system on chip（ SOC）. And a connected domain detection algorithm based on line segment was designed to calculate spatial coordinates of moving targets in real-time digital images. At last,Tri-Mode Ethernet MAC（ TEMAC） and 88E1111 Gigabit Ethernet Transceiver were used to design gigabit ethernet,sending the spatial coordinates of moving targets to the host computer. The test shows that the system runs stably with high precision measurement and is able to realize the tracking of multiple moving targets in real time,making it very suitable for real-time application.