Fig. 1. The imaging of the same target point in different pose

Fig. 2. Correction result of a frame by LPI

Fig. 3. Search region and corresponding surface

Fig. 4. Results of correcting the historical images to the current frame

Fig. 5. Gray distribution curve

Fig. 6. Background estimation based on Gaussian weighting

Fig. 7. Detection results of the proposed algorithm for video sequence 1

Fig. 8. Detection results of the proposed algorithm for video sequence 2

Fig. 9. Tracking performance of the proposed algorithm