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1、. . . . 智能跟踪拍摄系统的研究The study of Intelligent tracking shot system（1. 工商学院 信息工程分院 130062）摘要：基于视频系统实现智能跟踪拍摄的问题,是计算机视觉中一个关键技术和研究热点，很多工程应用与视频跟踪技术都有紧密的关系。本系统是ADSP-BF533开发平台为核心，配以VisualDSP+集成开发和调试环境，实现和优化MeanShift跟踪算法，实现对运动目标的实时跟踪拍摄，可应用于体育赛事、智能监控等。测测试据表明，该系统可以通过云台控制摄像头跟踪拍摄刚性和非刚性的选定目标。Abstract:Intelligent t
2、racking system based on video recording problem is a key technique in computer vision and research focus, a lot of engineering applications and video tracking technology has a close relationship.This system is a development platform for the ADSP-BF533 core, together with the VisualDSP + + integrated
3、 development and debugging environment, implementation, and optimization MeanShift tracking algorithm to achieve real-time tracking of moving target shooting can be used in sporting events, intelligent monitoring.Test test, according to show that the system can control the PTZ camera tracking rigid
4、and non rigid shooting targeting.关键词：运动检测，实时视频跟踪，Mean Shift算法，嵌入式系统Keyword:Motion detection.Real-time video trackingMean ShiftAlgorithmEmbedded systems前言 introduction运动目标的检测与跟踪是视频分析的关键容,也是计算机视觉研究的一个重要方向,它是智能监控、人机交互、航空航天、国防工业等应用的基础和关键技术，是当前的研究热点容之一。Moving target detection and tracking is a key elemen
5、t of video analysis, computer vision is an important research direction, it is the intelligent control, human-computer interaction, aerospace, defense industry and other applications of the basic and key technologies, is the current research focus Neirong one.基于智能跟踪拍摄系统的智能化视频监视系统，是利用计算机图像处理技术对摄像机采集的
6、视频信号进行分析、 理解并以此为基础, 对视频监视系统进行控制, 从而使其具有像人脑的智能。Intelligent tracking system based on intelligent video surveillance recording system is the use of computer image processing technology to capture the video camera signal analysis, understanding and based on the video surveillance system to control, maki
7、ng it a smart as the human brain .智能跟踪拍摄系统主要功能为：实现对刚性物体和废钢性物体的跟踪拍摄以与视频的存储。Intelligent Tracking System main functions of film: to achieve the objects and scrap of rigid object tracking and video recording storage.1 智能跟踪拍摄系统的组成Intelligent tracking shot system components 根据本文设计的视频跟踪系统的要求，在选择硬件时必须满足的原则有
8、： 1)系统要具有良好的实时性；2)在满足系统的实时性要求的同时，达到系统性价3)系统中的各种硬件应具有方便的购买渠道，以便于出故障后更换。基于以上特点系统以ADSP-BF533开发平台为核心，扩展了摄像头、云台、视频采集卡、LCD触摸屏、单片机、三脚架等外围设备，充分利用了开发平台的丰富资源。系统设计方案如图1所示：According to a video tracking system designed in this paper the requirements, the choice of hardware principles that must be met:. 1)系统要具有良好
9、的实时性；2)在满足系统的实时性要求的同时，达到系统性价3)系统中的各种硬件应具有方便的购买渠道，以便于出故障后更换。原文1) The system should have good real-time; 2) meeting the requirements of real-time system, while, to systematic price 3) systems of the various hardware should be easy purchase channel to facilitate the failure replacement.修改 基于以上特点系统以ADSP
10、-BF533开发平台为核心，扩展了摄像头、云台、视频采集卡、LCD触摸屏、单片机、三脚架等外围设备，充分利用了开发平台的丰富资源。原文Based on the above characteristics of system development platform for the ADSP-BF533 core, extending the camera head, video capture cards, LCD touch screen, single chip, tripod and other peripheral equipment, full use of the platform
11、s abundant resources.修改 系统设计方案如图1所示：。原文System design shown in Figure 1:.修改嵌入式开发平台电源系统RS485USB1VGAUSB2触摸屏液晶显示屏视频采集卡摄像头三脚架云台pTZ解码器电源模块图1 系统硬件框图嵌入式开发平台:Embedded development platform电源模块:Power Module解码器原文Decoder云台。原文PTZ.三脚架。原文Tripod.摄像头原文Camera.Video capture card触摸屏。原文Touch screen.液晶显示屏原文LCD screen. 1.1
12、嵌入式平台 embeded platformDSPBF533 EZ-KIT LITE具有如下特点：高达600MHz的高性能ADSP-BF533处理器32MB SDRAM；模拟视频接口(ADV7183解码器、ADV7171编码器)；通用异步收发器(ADM3202 RS232 UART、DB9 male connector)；外扩展接口(PPI，SPI，EBIU，Thner2-0，UART，PFs，SPORT0，SPORTl)；JTAG仿真接口。DSPBF533 EZ-KIT LITE Has the following characteristics: 600MHz High performan
13、ceADSP-BF533 Processor; 32MB SDRAM；Analog video interface(ADV7183 decoder , ADV7171 coder);UART(ADM3202 RS232 UART、DB9 male connector)；External expansion interface(PPI，SPI，EBIU，Thner2-0，UART，PFs，SPORT0，SPORTl)；JTAGSimulation interface1.2视频采集和输出Video capture and output采用500线模拟视频摄像头进行拍摄，通过视频采集卡将模拟信号转换
14、成数字信号，再通过USB传输到嵌入式开发平台。采用8.6寸LCD触摸屏，所有操作在触摸屏上实现。视频在LCD上同步显示，人机界面友好。 采用500线模拟视频摄像头进行拍摄，通过视频采集卡将模拟信号转换成数字信号，再通过USB传输到嵌入式开发平台。原文With 500 lines of analog video camera to shoot a video capture card to convert analog signals into digital signals, then transmitted via USB to the embedded development platfo
15、rm.修改 采用8.6寸LCD触摸屏，所有操作在触摸屏上实现。原文With 8.6-inch LCD touch screen, all operations on the touch screen implementation.修改 视频在LCD上同步显示，人机界面友好。原文Synchronized video display on the LCD, friendly interface.修改1.3拍摄控制 shot control采用RS485控制云台的转动。设计并制作了云台解码器，采用AT89C52作为控制芯片，并加之抗干扰性的云台通信协议PELPELCO-D，实现水平角度380，垂直角度130的大围拍摄，满足了跟踪拍摄围的要求。 采用RS485控制云台的转动。原文RS485 PTZ control by rotation.修改 设计并制作了云台解码器，采用AT89C52作为控制芯片，并加之抗干扰性的云台通信协议PELPELCO-D，实现水平角度380，垂直角度130的大围拍摄，满足了跟踪拍摄围的要求。原文Designed and produced a PTZ decoder, using AT89C52 as the controller, and coupl
