Fig. 1. Physical drawing of system hardware

Fig. 2. Flow chart of drone detection algorithm

Fig. 3. Flow chart of UAV countermeasure algorithm

Fig. 4. UAV sample original image and gradient map

Fig. 5. Flow chart of HOG feature extraction

Fig. 6. Schematic diagram of KCF detection process

Fig. 7. Recognition accuracy curve

Fig. 8. Process and results of moving target detection

Fig. 9. KCF tracking results

Fig. 10. System tracking test renderings

Fig. 11. Variation of system deviation curve

Fig. 12. Drone intercept site map