This repository implements patch-denoising methods, with a particular focus on local-low rank methods.
The target application is functional MRI thermal noise removal, but this methods can be applied to a wide range of image modalities.
It includes several local-low-rank based denoising methods (see the documentation for more details):
MP-PCA
Hybrid-PCA
NORDIC
Optimal Thresholding
Raw Singular Value Thresholding
A mathematical description of these methods is available in the documentation.
Installation
$ pip install patch-denoisepatch-denoise requires Python>=3.9
Quickstart
After installing you can use the patch-denoise command-line.
$ patch-denoise input_file.nii output_file.nii --mask="auto"See patch-denoise --help for detailed options.
Documentation and Examples
Documentation and examples are available at https://paquiteau.github.io/patch-denoising/
Development version
$ git clone https://github.com/paquiteau/patch-denoising
$ pip install -e patch-denoising[optional] --group devCitation
If you use this package for academic work, please cite the associated publication, available on HAL
@inproceedings{comby2023,
TITLE = {{Denoising of fMRI volumes using local low rank methods}},
AUTHOR = {Pierre-Antoine, Comby and Zaineb, Amor and Alexandre, Vignaud and Philippe, Ciuciu},
URL = {https://hal.science/hal-03895194},
BOOKTITLE = {{ISBI 2023 - International Symposium on Biomedical Imaging 2023}},
ADDRESS = {Carthagena de India, Colombia},
YEAR = {2023},
MONTH = Apr,
KEYWORDS = {functional MRI ; patch denoising ; singular value thresholding ; functional MRI patch denoising singular value thresholding},
PDF = {https://hal.science/hal-03895194/file/isbi2023_denoise.pdf},
HAL_ID = {hal-03895194},
HAL_VERSION = {v1},
}
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