Fig. 1. Target detection effect of traditional algorithm

Fig. 2. Comparison of gray distribution of dim small target and common false alarm sources

Fig. 3. Algorithm flowchart of infrared dim small target detection

Fig. 4. Comparison of frame skipping difference with other algorithms

Fig. 5. Preprocessing results of key modules of algorithm

Fig. 6. Comparison of algorithm results based on infrared small target open source images

Fig. 7. An example of airborne visual infrared high false alarm sequence set

Fig. 8. Comparison of detection rates of different algorithms

Fig. 9. Comparison of false alarm rates of different algorithms