Bundle Block Adjustment with Multi-source Satellite Remote Sensing Images
XING Shuai, XU Qing, LIU Jun, LI Jian-shengInstitute of Surveying and Mapping, Information Engineering University, Zhengzhou 450052, China
The source data of bundle block adjustment has been extended from single-source to multi-source in this paper. A composite bundle block adjustment model and corresponding weight matrix have been constructed based on imaging models of linear CCD and SAR remote sensing images. It has been used to achieve exterior orientation elements of each image and ground coordinates of pass points by integral solution. The spatiotriangulation experiment was applied to 3 images in one block (panchromatic SPOT-5 HRV, panchromatic SPOT-4 HRV and RADARSAT-1) acquired over the same area from different viewing/look angles. Experiment results proved our model was correct, and then the factors influencing the accuracy of bundle block adjustment were analyzed.