Significance   In recent years, various military powers are actively applying AI technology to precision-guided weapons, and have made certain technological breakthroughs, such as the development of LRASM anti-ship missiles, "maritime destroyers", "SPICE-250" precision-guided bombs and other intelligent weapons and equipment to improve the operational effectiveness of complex battlefield environments. In the process of realizing the intelligence of precision-guided weapons, the significant improvement of the performance of imaging terminal guidance technologies such as autonomous perception of complex battlefield environment, automatic target acquisition (ATA), automatic target recognition (ATR), adaptive guidance and so on depends on the deep fusion application of artificial intelligence technology. Therefore, the research on the intelligent technology of imaging terminal guidance and its future development direction has important reference significance for following the development trend of guidance mode and realizing the revolutionary improvement of weapon operational performance.

  Progress   Firstly, the development status of typical photoelectric imaging terminal guidance equipment for sea-to-sea, ground-to-ground and air-to-air, the different complex interference environments and target characteristics faced by the terminal guidance process are analyzed. The typical terminal guidance intelligent information processing principles such as small target detection in the long-range target interception stage, identification, tracking and anti-interference in the medium-close target tracking stage, and identification of key parts at the end of the close range in three scenarios are analyzed.　　Secondly, the development status and intelligent equipment achievements of intelligent technology of terminal-guided weapons in the United States, Israel, Norway and other foreign countries are summarized, and the intelligent technology principles in automatic target recognition, track planning and other aspects are analyzed, as well as the combat requirements of intelligent weapons in the future complex combat mode, including the significant improvement of target survivability, the increasingly complex and changeable task environment, and the increasingly fierce confrontation environment.　　Finally, this paper proposes several key technologies for the intelligent requirements of future electro-optical imaging terminal guidance weapons: distributed/heterogeneous autonomous collaborative detection capabilities, multi-dimensional information intelligent fusion processing capabilities, battlefield environment awareness and situation understanding capabilities, detection and guidance integration and autonomous decision-making capabilities, self-learning self-evolution self-reasoning capabilities, collaborative identification and collaborative anti-interference capabilities. At the same time, it is proposed to divide the intelligence of imaging terminal guidance into three stages: functional intelligent technology, system-level single intelligent technology, and system-level group intelligent technology.

  Conclusion and Prospects  This paper analyzes the challenges brought by future high-performance targets, complex confrontation environments, multi-task requirements, and new combat modes to the intelligence of imaging terminal guidance technology. Starting from artificial intelligence technology and future combat requirements, six capability feature requirements and three development stages for realizing intelligent imaging terminal guidance are proposed. Through the development analysis of foreign imaging terminal guidance intelligent technology, it provides reference for the development of intelligent technology of photoelectric imaging terminal guidance weapons in China.