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This paper presents a novel extrinsic calibration method based on four-layer laser and a camera, In the case of camera intrinsic parameters are known, we can obtain the corresponding points on a set of laser data and image feature points by using the same feature that both captured by laser and camera, which followed by acquiring the extrinsic parameters of sensor sysems according to the projective...
Multi-target tracking in video sequences is a difficult problem when most objects have very similar appearance and objects are close to each other in the image. The paper proposes a new approach to handling these problems by incorporating the target structure information. The structure information of a target is represents by a part-based model which contains appearance measurement and spatial constraints...
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