Research on infrared dim and small target detection algorithm based on local contrast and gradient

Weihong Lin, Leihong Zhang, Zimin Shen, Dawei Zhang, Jian Chen, Jie Zhou, Wei Peng & Fengshou Wu
The rapid development of infrared technology makes it widely applicable in such fields as military, medical, testing and communications.This paper proposes an algorithm based on local contrast and gradient (LCG). Specifically, the algorithm uses the difference of gaussian and threshold segmentation to preprocess to obtain the position of possible target points. Then, local contrast processing is conducted for the possible target points. Finally, the global is processed using an improved directional gradient. According to the...
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