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A new motion parameter estimation algorithm based on the continuous wavelet transform

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4 Author(s)
Mujica, F.A. ; Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Leduc, J.-P. ; Murenzi, R. ; Smith, M.J.T.

This paper presents a novel motion parameter estimation (ME) algorithm based on the spatio-temporal continuous wavelet transform (CWT). The multidimensional nature of the CWT allows for the definition of a multitude of energy densities by integrating over a subset of the CWT parameter space. Three energy densities are used to estimate motion parameters by sequentially optimizing a state vector composed of velocity, position, and size parameters. This optimization is performed on a frame-by-frame basis allowing the algorithm to track moving objects. The ME algorithm is designed to address real world challenges encountered in the defense industry and traffic monitoring scenarios, such as attaining robust performance in noise and handling obscuration and crossing object trajectories

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Image Processing, IEEE Transactions on  (Volume:9 ,  Issue: 5 )