Fig. 1. Error accumulation

Fig. 2. Schematic diagram of ground projection

Fig. 3. Determine the position of the projection point

Fig. 4. Determine the position of the ground nadir point

Fig. 5. Error accumulation of traditional fine-tuning

Fig. 6. Image coordinate adjustment diagram

Fig. 7. Determine feature point misalignment error value

Fig. 8. Coordinate adjustment flow chart

Fig. 9. Experimental images

Fig. 10. Comparison of experimental results. (a) Proposed experimental results; (b) Literature [3] experimental results

Fig. 11. Experimental details contrast images. (a) Proposed experimental details; (b) Literature [13] experimental results; (c) Detailed comparison

Fig. 12. Experimental details contrast images. (a) Proposed experimental details; (b) Traditional fine-tuning experiment details; (c) Detailed comparison