Fig. 1. Analysis of pixel change in background area. (a) Background analysis diagram; (b) change rule of pixel value at a certain position in three regions

Fig. 2. Inter frame pixel difference rule of 150 consecutive frames

Fig. 3. Effect of H on image quality. (a) highway; (b) skating; (c) snowfall; (d) pedestrians

Fig. 4. Flow chart of proposed algorithm

Fig. 5. Background reconstruction images. (a) highway; (b) skating; (c) snowfall; (d) pedestrians

Fig. 6. Relationship between reconstructed background quality and the number of frames involved in reconstruction

Fig. 7. Moving target detection. (a) highway; (b) skating; (c) snowfall; (d) pedestrians