Fig. 1. Flow chart of infrared sea-skimming small target detection

Fig. 2. Relative position diagram of target and sea-sky line

Fig. 3. Schematic diagram of sea-sky line detection

Fig. 4. Effect diagram of sea-sky line detection

Fig. 5. Comparison of target extraction effects

Fig. 6. Comparison of sea-sky line detection effects using different methods

Fig. 7. Comparison sequence of tracking effects with and without sea-sky line

Fig. 8. The 1st tracking accuracy

Fig. 9. The 2nd tracking accuracy

Fig. 10. The 3rd tracking accuracy