为消除机载光电平台视轴横滚运动导致的视频图像旋转,提出一种基于FPGA处理平台的实时图像消旋方法.针对每一帧视频图像,先锁定光电平台惯导系统当前输出横滚角,利用快速图像消旋算法对视频图像进行反向旋转,完成机载光电平台视频图像消旋.整个消旋处理系统仅采用单片FPGA实现,能够实现分辨率为1 024×1 024任意角度旋转的机载光电平台视频图像30 frame/s的实时消旋处理,消旋角度分辨率为0.1°,消旋位置误差小于1个像素.
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