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We describe an important element of an automatic sport analysis system. This element continuously estimates the image-to-model homography from the video stream of a single camera. Here, we focus on the incremental image-to-image updating of the homography matrix, which greatly facilitates real-time operation. This updating relies on the automatic tracking of interest lines and points and on their use for robust homography estimation. Results on real video sequences are shown. 1
Hayet et al. (Thu,) studied this question.