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In classical photogrammetric processing pipeline, the automatic tie point extraction plays a key role in the quality of achieved results. The image tie points are crucial to pose estimation and have a significant influence on the precision of calculated orientation parameters. Therefore, both relative and absolute orientations of the 3D model can be affected. By improving the precision of image tie point measurement, one can enhance the quality of image orientation. The quality of image tiedoi:10.5194/isprs-archives-xlii-1-w1-225-2017 fatcat:jv3j6awuhvfvjhyfw2kf3wlpeq