空间瞬变光辐射目标定位方法

基于瞬变光辐射目标的时空特性,提出了一种基于模板的光辐射目标检测与定位方法.该方法采用加权平均法进行背景估计,并利用Robinson滤波器对残差图像进行二次滤波,有效降低了交叉投影法生成的模板数量.结合瞬变光辐射目标在空间上的局部特性和时间上的瞬时特性,对备选模板进行了多级假设检验.最后利用模板提取了目标区域,求得了目...

A Location Method for Space Transient Optical Targets

According to the temporal and spatial features of transient optical targets, an optical target detection and location method based on templates is proposed. By using weighted average to estimate the background and using a Robinson filter for secondary filtering of the residual image, the method has effectively reduced the target templates segmented by the cross projection method. In light of the local spatial characteristics and temporal characteristics of transient targets, multiple hypothesis testing is conducted on the potential target templates and the ultimate target templates generated. Finally, the real targets are extracted from the background by using these templates and their barycentric coordinates are calculated. Experimental results show that this method can locate several targets with a higher accuracy at the same time.