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Binocular transfer methods for point-feature tracking of image sequences

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4 Author(s)
J. Z. Zhang ; Innovation Centre, Nat. Res. Council of Canada, Vancouver, BC, Canada ; Q. M. J. Wu ; Hung-Tat Tsui ; W. A. Gruver

Image transfer is a method for projecting a 3D scene from two or more reference images. Typically, the correspondences of target points to be transferred and the reference points must be known over the reference images. We present two new transfer methods that eliminate the target point correspondence requirement. We show that five reference points matched across two reference images are sufficient to linearly resolve transfer under affine projection using two views instead of three views as needed by other techniques. Furthermore, given the correspondences of any four of the five reference points in any other view, we can transfer a target point to a third view from any one of the two original reference views. To improve the robustness of the affine projection method, we incorporate an orthographic camera model. A factorization method is applied to the reference points matched over two reference views. Experiments with real image sequences demonstrate the application of both methods for motion tracking.

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IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews)  (Volume:32 ,  Issue: 4 )