Infrared dim target detection and tracking is widely used in precision guidance, automatic control and otherfields. As the small target imaging system has far distance, small area, low SNR infrared characteristics and undergoesimage preprocessing, dim target detection technology is more important and more difficult. As a full play of the advantagesof infrared small target detection technique has been provided, this has significance in infrared imaging. Basedon introducing the tracking technology development status at home and abroad by the study of small target detection, theproblems of detecting and tracking small moving target in infrared image sequence of background noise and interferenceconditions, aiming at dynamic planning in energy diffusion problem are presented. The improved algorithm of dynamicprogramming is also presented including weighted dynamic programming algorithm and the realization steps of the algorithm.Detection structure and the experimental results are analyzed. The results show that the algorithm has a good effect.In the end, this paper studies the rejected false targets in IR image track association method to obtain real object trajectoriesfor moving small target detection, so as to improve the detection rate and reduce the false alarm rate.
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