Fig. 1. Schematic diagram of space target recognition method based on ASMHT algorithm

Fig. 2. The calculation method of the DOG extreme point

Fig. 3. Schematic diagram of the changes of different types of targets in the continuous multi-frame filtering window

Fig. 4. Schematic diagram of improved multistage hypothesis testing method

Fig. 5. Screening method of the target trajectory

Fig. 6. Preliminary screening results of spatial filtering algorithm based on DOG

Fig. 7. ROC curve test results under different SNR

Fig. 8. Part of the real star map test results based on ASMHT algorithm