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Traffic congestion is a widespread problem. Dynamic traffic routing systems and congestion pricing are getting importance in recent research. Lane prediction and vehicle density estimation is an important component of such systems. We introduce a novel problem of vehicle self positioning which involves predicting the number of lanes on the road and vehicle's position in those lanes using videos captured...
We present a multi-modal surface reconstruction approach, which utilizes direct surface orientation measurements along with luminance information to obtain high quality 3D reconstructions. The proposed approach models local surface geometry as a set of intersecting natural cubic splines estimated through least squares fitting of our input pixel-wise surface normal measurements. We use this representation...
We consider the problem of group key agreement among n parties communicating over an insecure ad hoc network. Firstly, we analyze the state and the problem of existing group key management schemes, and then present a secure, efficient and contributory group key management scheme, which is based on elliptic curve cryptosystems (ECC). The security of our scheme relies on the hardness of elliptic curve...
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