06-16-2022, 07:04 AM
Our algorithm works online, i.e. takes in input the latest frame of a streaming video and outputs the trajectory executed by the athlete in the previous time steps with the correct perspective with respect to the scene appearing in that frame. Such a transformation is used to map all the points traversed by the athlete to the correct perspective, achieving the reconstruction of the trajectory with respect to the camera movements and ultimately giving a 3D effect. The performed qualitative tests on broadcast and handheld camera videos of alpine skiing and ski-jumping show the potential of the proposed solution. Further research is needed to make this idea applicable in practice. We point out possible future research directions. The videos given as input to our solution are considered to capture the performance of an individual athlete while he/she is constantly visible in the scene. We do not put any constraints on the configuration (intrinsic.
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