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A novel method for camera planar motion detection and robust estimation of the 1D trifocal tensor

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3 Author(s)
Lu, L. ; Inst. of Autom., Acad. Sinica, Beijing, China ; Tsui, H.T. ; Hu, Z.Y.

A camera moving in a plane can often simplify a computer vision job. Camera self-calibration and robot self-location are good examples. We focus on the problem of camera planar motion and its application to the camera self-calibration method of Faugeras et al. (1998). We have made three new contributions to the camera planar motion detection. First, we prove that the trifocal lines in different views of the same planar motion must have the same line representation in the 2D retinal plane. This conclusion greatly simplifies the planar motion detection problem. Second, we distinguish the usage of three different cases of planar motion: ordinary planar motion, co-linear planar motion and rotation planar motion. Third, we propose the robust planar motion detection method and the method of estimation of trifocal lines in the uniform framework under the above three configurations. We have also purposed a method for eliminating the 2D image points whose 1D projection points are inaccurate and cause significant errors on the estimation of the 1D trifocal tensor. Experiments with our new techniques using simulated data and real images had obtained very good results, which are better than those reported in the above article

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Pattern Recognition, 2000. Proceedings. 15th International Conference on  (Volume:3 )

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