Method of infrared image processing imitating fly vision the figure - ground discrimination system is discussed ; the formulas of output response are given about large - scene system and small - scene system . this paper discusses the method about fly lateral inhibitory networks applying to image preprocessing 仿蝇视觉的红外图像处理方法研究了蝇视觉图形?背景分辨系统及其相应的算法,探讨了基于复眼侧抑制网络的图像预处理方法。