Fig. 1. Motion platform

Fig. 2. Stitching path

Fig. 3. Predictive stitching model

Fig. 4. Predict matching feature points

Fig. 5. Feature point pair slope coarse screening

Fig. 6. Stitching mode

Fig. 7. Registering image with stitching direction of 1

Fig. 8. Image fusion. (a) Fusion of two images; (b) fusion of multiple images

Fig. 9. Multi-image stitching

Fig. 10. Algorithm flow with stitching direction of 2

Fig. 11. Similarity of image structure. (a) Spinal cord; (b) dicotyledons; (c) natural scene

Fig. 12. Predicted and actual coordinates of different overlapping areas. (a) 20% image overlap area; (b) 30% image overlap area

Fig. 13. Experimental results of performance comparison of different matching algorithms. (a) BF first match; (b) Flann first match; (c) proposed algorithm first match; (d) BF good match; (e) Flann good match; (f) proposed algorithm good match

Fig. 14. Image fusion. (a) Before image fusion; (b) after image fusion

Fig. 15. 3×3 images stitching. (a) Stitched original images; (b) AutoStitch stitching; (c) proposed method stitching

Fig. 16. 4×5 images stitching. (a) AutoStitch stitching; (b) proposed method stitching

Fig. 17. Microscopic image stitching system. (a) Motorized stage; (b) (c) part of the process of stitching images in real time