The development and characteristics of typical air-ground electro-optical equipment are elucidated and analyzed.Moreover,the relevant technologies and core algorithms for target detection,image registration,and object localization using collaborative air-ground electro-optical equipment are introduced.The development trends and challenges of collaborative target perception technology for air-ground electro-optical equipment are analyzed;further,an outlook on the future prospects of target perception research is provided.With the rapid development of artificial intelligence and unmanned platforms,significant progress has been made in vision-based target detection and localization technology based on electro-optical equipment.Together with mobile platforms,including manned and unmanned aerial and ground platforms,it enables collaborative target identification,tracking,and behavior prediction.This technology enhances target perception in complex environments and has significant research and application value for national defense security.