Fig. 1. Overall workflow of the two image stitching

Fig. 2. Distribution measure RANSAC algorithm

Fig. 3. Schematic of optimal inlier selection. (a) Tentative inliers C_k, |C_k|=231; (b) tentative inliers C_k+1, |C_k+1|=220; (c) Delaunay triangulation constructed according to C_k, D_k=3.474; (d) Delaunay triangulation constructed according to C_k+1, D_k+1=2.1361

Fig. 4. Schematic of saliency information extraction in remote sensing image. (a) Line segment detection result; (b) saliency information map

Fig. 5. Two-scale image fusion

Fig. 6. Three pairs of remote sensing images

Fig. 7. Quantitative analysis of algorithm performance. (a) MI; (b) FSIM

Fig. 8. Comparison of seamline detection and smooth transition fusion of four algorithms. (a) Seamline of Chon's algorithm; (b) seamline of HVDA algorithm; (c) seamline of QESE algorithm; (d) seamline of proposed algorithm; (e)‒(h) enlargements of corresponding box area

Fig. 9. Mosaic comparison of remote sensing sequence images. (a) AutoStitch; (b) ICE; (c) QESE; (d) proposed algorithm; (e)‒(h) enlargements of corresponding box area