航空时敏制导炸弹目标快速跟踪算法研究  

Research on Fast Object Tracking for Aerial Time-critical Guided Bomb

作　　者：杨立一[1] 白宏阳[2] 孙瑞胜[2] 薛晓中[2] 

机构地区：[1]中航工业洛阳电光设备研究所,河南洛阳471009 [2]南京理工大学能源与动力工程学院,南京210094

出　　处：《弹箭与制导学报》2012年第4期29-32,共4页Journal of Projectiles,Rockets,Missiles and Guidance

基　　金：航空科技基金(20115189003)资助

摘　　要：针对地面时敏目标的运动特性,介绍了航空时敏制导炸弹的组成和功能并分析了系统中的关键技术。提出了一种时敏目标的快速捕获与跟踪算法,在具有CUDA架构的图形处理器GPU上加以编程实现并采用KD树搜索算法进行了特征点间的匹配。最后在Geforce 240M GPU上对算法进行了测试,试验结果表明:在480×240像素的图像上进行目标的搜索与匹配,系统运行时间只有0.12s,比目前在CPU上所实现的算法在快速性上提高了20多倍,验证了系统的实时性和可行性。According to the kinematic characteristics of time-critical targets on the ground, this paper introduces the composing structure and function of aerial time-critical guided bomb and analyzes key technologies of this system. A fast detection and tracking algorithm of time-critical targets is proposed which was implemented on a GPU with CUDA architecture, the KD-tree searching algorithm is also utilized for matching between features. Finally, the proposed algorithm is programmed on a Geforee 240M GPU, the test result shows that only 0. 12s is cost for object tracking and matching on a 480 × 240 image, which is 20 times faster than related implementation on CPU, which then testifies that the proposed system is reasonable and real-time.

关 键 词：时敏目标 制导炸弹 自适应控制 目标跟踪 图形处理器 

分 类 号：TJ765.2[兵器科学与技术—武器系统与运用工程]