Approximating Inaccurate Moving Object Trajectories with Bi-chebyshev Method
用双切比雪夫方法近似含噪音移动对象轨迹

Approximating and compressing inaccurate moving object trajectories is a key topic in moving object database research.This paper proposes a new method,called Bi-Chebyshev,to solve the problem.Different from existing methods,the Bi-Chebyshev method makes use of velocity data as subsidiary information to improve the accuracy of trajectory approximation.The method is based on a quadratic optimization model,to which a numerical solution is provided.In experimental comparison,the Bi-Chebyshev method demonstrates...