PoliBrush is a freely distributed software designed for teaching exploratory multivariate analysis in the frame of color RGB and spectral imaging. PoliBrush implements principal component analysis (PCA) as its core method. A detailed user guide is provided in the following tutorial paper: https://doi.org/10.1016/j.chemolab.2023.104918
pca spectroscopy principal-component-analysis chemometrics brushing analytical-chemistry hyperspectral-imaging spectral-imaging multivariate-image-analysis
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Updated
May 15, 2025