Fig. 1. Payload mounted on the Gaofen-7 satellite and the proposed fine 3Dreconstructionpipeline

Fig. 2. Geometric relationship between a linear array CCD oblique image and a horizontal rectifiedimage

Fig. 3. Computation process of the Census metric

Fig. 4. Gaofen-7 image pair in a test area in Ningxia and Xinjiang， China

Fig. 5. Gaofen-7 image pair 3D reconstruction experiment

Fig. 6. Comparison of horizontal correction on enlarged Gaofen-7 satellite stereo image

Fig. 7. Comparison of DSM results for whole images view

Fig. 8. Comparison on the enlarged DSM results of the proposed method and the tSGM method