CAJ | 학술논문

图像跟踪是图像处理领域研究较多也比较关键的技术之一。随着微电子技术不断发展，在光电经纬仪、机载光电平台等图像跟踪应用领域对视频跟踪器系统的要求越来越高，当前视频图像帧频偏低已对伺服系统传输带宽形成不小制约，而高帧频图像又有视频传输的瓶颈。为了解决这一问题，本文设计了一款基于 TMS320C6455＋FPGA＋SDRAM的图像跟踪系统。本系统通过 FPGA 控制 SDRAM 对视频图像进行缓存后输出，达到视频降频输出的要求，以解决高帧频图像数据量大难以实时传输显示的问题，同时通过对相关跟踪算法做进一步优化使其满足100 frame/s 视频的实时跟踪要求。实验证明该系统工作有效稳定，能满足工程实际需求。
도상근종시도상처리영역연구교다야비교관건적기술지일。수착미전자기술불단발전，재광전경위의、궤재광전평태등도상근종응용영역대시빈근종기계통적요구월래월고，당전시빈도상정빈편저이대사복계통전수대관형성불소제약，이고정빈도상우유시빈전수적병경。위료해결저일문제，본문설계료일관기우 TMS320C6455＋FPGA＋SDRAM적도상근종계통。본계통통과 FPGA 공제 SDRAM 대시빈도상진행완존후수출，체도시빈강빈수출적요구，이해결고정빈도상수거량대난이실시전수현시적문제，동시통과대상관근종산법주진일보우화사기만족100 frame/s 시빈적실시근종요구。실험증명해계통공작유효은정，능만족공정실제수구。
Image tracking is focused by many researchers,and it has been one of the key technologies of the image processing.With the continuous development of microelectronics technology,it requires more and more for video tracking system in practice,such as theodolite and optical platform of UAV. The current video frame rate of the image tracking system is too low,it has formed large constraints on transmission bandwidth of the servo system.While,there are bottlenecks on transmission using high frame rate.In order to solve the above problems,this paper designed a image tracking system based on TMS320 + FPGA + SDRAM.In this system,the data of image output are send out after SDRAM controlled by FPGA cached,so that the video frame rate becomes low,and it can be real-time tracked and displayed.In order to meet the requirements of real-time tracking for 100 frame/s video,this paper make the correlation algorithm further simplified.Experimental results show that this system can work effectively and stably,and it can meet the actual needs of the project.