摘要
为了检测空背景下的红外弱小目标,提出了一种预测式管道滤波新算法。首先进行单帧检测以获取候选目标,并以该候选目标位置为中心建立预测管道;根据前三帧管道中心位置预测下一帧管道中心位置,从而实现管道随着目标的移动,而且为下一帧的预处理提供先验知识;使用管道滤波算法进行目标检测。由于进入管道预测阶段后,单帧检测只需在预测的管道中心周围进行,由此显著提高了该算法的检测速度和抗干扰能力。仿真实验证明,该算法具有很好的检测性能。
In order to detect the infrared weak target in the sky background,the algorithm of prediction channel filtering was presented in this paper.Firstly,the potential targets were obtained by the single-frame detection.The channels were constructed at the center of the position of the targets at the same time.Secondly,the central positions of next frame channels were predicted by the three preceding channel-centers.As a result,the channels were moved along with the targets,which can provide the information for the detecting of the next frame.At last,detection of target was realized by the algorithm of channel filtering.The single-frame detection only needs to be performed at the neighborhood of the channel center when entering into the channel prediction stage,which improved the test speed and anti-noise performance greatly.The results of simulation experiments demonstrated that the algorithm is efficient in detecting the infrared dim targets in the sky.
出处
《西安邮电学院学报》
2010年第3期116-118,共3页
Journal of Xi'an Institute of Posts and Telecommunications
关键词
红外弱小目标
管道滤波
探测
infrared weak target
channel filtering
detection