激光制导武器目标光斑检测系统设计与实现

为了实现激光制导武器目标光斑检测系统对远距离的来袭激光光斑的捕获与定位，采用机器视觉检测技术设计并实现全数字化、实时、高精度的激光检测系统。系统针对CMOS探测器采集到的激光光斑图像，采用硬件实现改进的快速二维中值滤波算法进行图像滤波处理，最大类间方差算法进行灰度图像阈值分割，灰度重心法进行中心提取，实现了精确中心定位。实验验证和误差分析表明，该系统具有很强的抗干扰性及精确的坐标定位，坐标误差在1mm以内。

Design and implementation of laser guided weapon target spot detection system

In order to achieve the laser guided weapons target spot detection system for long distance incoming laser spot of capture and positioning, using machine vision technology to design and implement all-digital, real-time, high-precision laser detection system. System for the CMOS detector collected laser spot images, using hardware to achieve an improved fast 2D median filtering algorithm for image filtering, maximum between-class variance algorithm performed gray image threshold segmentation , gravity method performed center extract, to achieve precise centrally positioned. Experimental verification and error analysis show that the system has a strong anti-interference and precise coordinates positioning , the coordinate error is less than 1mm.