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Multiscale Deformetrica

This code is an extension of the software Deformetrica. It implements a coarse-to-fine strategy for atlas construction / image registration.

Installation

git clone https://github.com/fleurgaudfernau/Deformetrica_coarse_to_fine

virtualenv -p python3 deformetrica && source deformetrica/bin/activate

python3 -m pip install -r Deformetrica_multiscale/requirements.txt

python3 -m pip install Deformetrica_multiscale/.

virtualenv -p python3 deformetrica && source deformetrica/bin/activate

pip install git+https://github.com/fleurgaudfernau/Deformetrica_multiscale.git

About Deformetrica

Website: www.deformetrica.org

Deformetrica is a software for the statistical analysis of 2D and 3D shape data. It essentially computes deformations of the 2D or 3D ambient space, which, in turn, warp any object embedded in this space, whether this object is a curve, a surface, a structured or unstructured set of points, an image, or any combination of them.

Deformetrica comes with three main applications:

  • registration : estimates the best possible deformation between two sets of objects;
  • atlas construction : estimates an average object configuration from a collection of object sets, and the deformations from this average to each sample in the collection;
  • geodesic regression : estimates an object time-series constrained to match as closely as possible a set of observations indexed by time.

Deformetrica has very little requirements about the data it can deal with. In particular, it does not require point correspondence between objects!

References

Deformetrica relies on a control-points-based instance of the Large Deformation Diffeomorphic Metric Mapping framework, introduced in [Durrleman et al. 2014]. Are fully described in this article the shooting, registration, and deterministic atlas applications. Equipped with those fundamental building blocks, additional applications have been successively developed:

[Bône et al. 2018b] provides a concise reference summarizing those functionalities, with unified notations.

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