Abstract
We describe a new method for computing the displacement vector field in time sequences of 2D or 3D images (4D data). The method is an energy-minimizing method; the energy is splitted into two terms, with one term matching differential singularities in the images, and the other constraining the regularity of the field. In order to reduce the computational time, we introduce an adaptive mesh the resolution of which depends on the value of the gradient intensity. We present experimental results on medical images.
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© 1995 Springer-Verlag Berlin Heidelberg
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Benayoun, S., Ayache, N. (1995). Dense non-rigid motion estimation in sequences of medical images using differential constraints. In: Hlaváč, V., Šára, R. (eds) Computer Analysis of Images and Patterns. CAIP 1995. Lecture Notes in Computer Science, vol 970. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60268-2_304
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DOI: https://doi.org/10.1007/3-540-60268-2_304
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