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In this paper, we present a novel trajectory-based method to synchronize two videos shooting the same dynamic scene, which are recorded by stationary un-calibrated cameras from different viewpoints. The core algorithm is carried out in two steps: projective-invariant descriptor construction and trajectory points matching. In the first step, a new five-coplanar-points structure is proposed to compute...
Any point in the 3D real-world scene could be presented by four non-coplanar points. And this spatial representation relationship is invariant when these points are projected from the 3D scene to a 2D image by a projective transformation. In this paper, we will introduce such spatial representation invariant to trajectory description and matching, and present a video synchronization method. In the...
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