Fig. 1. Raw image of short-wave infrared night vision

Fig. 2. Relationship of current and previous frame

Fig. 3. Framework of 3DNR

Fig. 4. Effect of α on image noise

Fig. 5. Image artifacts and noise problem description.

Fig. 6. Image comparison before and after processing by 3DNR

Fig. 7. Image processing results

Fig. 8. Image and its gradient data of second and third column in Fig. 7