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A new registration method for ultrasound volumes relying on on a statistical texture-based similarity measure is investigated. Texture information is given by spatial Gabor filters and represented by statistical kernel-based distributions. The registration similarity measure is then defined as a probabilistic distance, derived from Bhattacharyya coefficient, between two statistical distributions. Given this similarity measure, parametric ultrasound image registration is stated as a robust minimization issue. We also exploit frequency properties of spatial Gabor filters to propose a multiresolution approach to perform this minimization. We provide a preliminary evaluation of the new registration technique on clinical data.
Image Processing, 2003. ICIP 2003. Proceedings. 2003 International Conference on (Volume:1 )
Date of Conference: 14-17 Sept. 2003