Review on Dim Small Target Detection Technologies in Infrared Single Frame Images

The infrared dim small target detection technology has become a research focus in the infrared field at home and abroad. The characteristics of infrared dim small targets arc introduced. The principles, main steps and features of the existing infrared algorithms for the dim small target detection in single-frame images arc reviewed from three aspects of filtering based on spatial domain and transform domain, human visual systems, and image data structures. The development trend of infrared dim small target detection technologies is analyzed.