Computing the time-continuous Optimal Mass Transport Problem without Lagrangian techniques

Details Computing the time-continuous Optimal Mass Transport Problem without Lagrangian techniques Computing the time-continuous Optimal Mass Transport Problem without Lagrangian techniques

2010-09-17

arxiv.org/abs/1009.3420v1

Mathematics

Classical Analysis and ODEs

Scientific paper

This work originates from a heart's images tracking which is to generate an apparent continuous motion, observable through intensity variation from one starting image to an ending one both supposed segmented. Given two images p0 and p1, we calculate an evolution process p(t, \cdot) which transports p0 to p1 by using the optimal extended optical flow. In this paper we propose an algorithm based on a fixed point formulation and a time-space least squares formulation of the mass conservation equation for computing the optimal mass transport problem. The strategy is implemented in a 2D case and numerical results are presented with a first order Lagrange finite element, showing the efficiency of the proposed strategy.

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