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Documentation https://ncut-pytorch.readthedocs.io/
NCUT: Nystrom Normalized Cut
Normalized cut, aka. spectral clustering, is a graphical method to analyze data grouping in the affinity eigenvector space. It's used for unsupervised segmentation, without any model training.
Nystrom Normalized Cut, is an approximation algorithm developed for large-scale graph cut, a large-graph of million nodes can be processed in under 10s (cpu) or 2s (gpu).
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Installation
PyPI install, our package is based on PyTorch, presuming you already have PyTorch installed
pip install ncut-pytorch
Install PyTorch if you haven't
pip install torch
Why NCUT
Normalized cut offers two advantages:
-
soft-cluster assignments as eigenvectors
-
hierarchical clustering by varying the number of eigenvectors
Normalized Cuts and Image Segmentation, Shi 2000
in prep, Yang 2024
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