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In the metamorphosis approach the space of images is considered as a Riemannian manifold. In this talk, we focus on the computation of time discrete geodesics defined as minimizers of time discrete path energies. Here, images are either considered as square-integrable intensity functions or regarded as a superposition of sparse signals convoluted with structure classifying learned kernels. In the first case, the Gamma-convergence of the time discrete model to the time continuous model is discussed.
This presentation is part of Minisymposium “MS31 - Variational Approaches for Regularizing Nonlinear Geometric Data (3 parts)”
organized by: Martin Storath (Universität Heidelberg) , Martin Holler (École Polytechnique, Université Paris Saclay) , Andreas Weinmann (Hochschule Darmstadt) .