Modelling Spectral Unmixing of Geological Mixtures: An Experimental Study Using Rock Samples.
Maitreya Mohan SahooR. KalimuthuArun PVAlok PorwalShibu K. MathewPublished in: Remote. Sens. (2023)
Keyphrases
- hyperspectral
- hyperspectral images
- spectral data
- blind source separation
- spectral features
- hyperspectral data
- hyperspectral imagery
- mixture model
- remote sensing
- spectral signatures
- independent component analysis
- heavy tailed distributions
- independent components
- data sets
- component analysis
- gaussian mixture
- multispectral
- training samples
- training set
- infrared
- spectral analysis
- sample points
- least squares
- source separation
- principal components
- nonnegative matrix factorization
- image segmentation
- mixtures of gaussians
- irregularly spaced
- factor analyzers
- expectation maximization
- image data
- hidden markov models
- training data
- learning algorithm