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DynClust: Denoising and Clustering for Dynamical Image Sequence (2D or 3D)+t

A two-stage procedure for the denoising and clustering of stack of noisy images acquired over time. Clustering only assumes that the data contain an unknown but small number of dynamic features. The method first denoises the signals using local spatial and full temporal information. The clustering step uses the previous output to aggregate voxels based on the knowledge of their spatial neighborhood. Both steps use a single keytool based on the statistical comparison of the difference of two signals with the null signal. No assumption is therefore required on the shape of the signals. The data are assumed to be normally distributed (or at least follow a symmetric distribution) with a known constant variance. Working pixelwise, the method can be time-consuming depending on the size of the data-array but harnesses the power of multicore cpus.

Version: 3.24
Depends: R (≥ 2.10), parallel
Published: 2022-04-11
DOI: 10.32614/CRAN.package.DynClust
Author: Yves Rozenholc (UR7537, Univ. Paris Cité), Christophe Pouzat (IRMA, CNRS UMR 7501) and Tiffany Lieury (Cerebral Physiology lab, Univ. Paris Descartes)
Maintainer: Yves Rozenholc <yves.rozenholc at u-paris.fr>
License: MIT + file LICENSE
NeedsCompilation: no
CRAN checks: DynClust results

Documentation:

Reference manual: DynClust.pdf

Downloads:

Package source: DynClust_3.24.tar.gz
Windows binaries: r-devel: DynClust_3.24.zip, r-release: DynClust_3.24.zip, r-oldrel: DynClust_3.24.zip
macOS binaries: r-release (arm64): DynClust_3.24.tgz, r-oldrel (arm64): DynClust_3.24.tgz, r-release (x86_64): DynClust_3.24.tgz, r-oldrel (x86_64): DynClust_3.24.tgz
Old sources: DynClust archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.