Hyperspectral Image Classification by Fractional Discrete Cosine Transform Based Feature Extraction.
Helgi Hrafn OmarssonQian DuPublished in: IGARSS (2021)
Keyphrases
- hyperspectral image classification
- discrete cosine
- feature extraction
- transform domain
- hyperspectral images
- active learning
- transform coding
- discrete fourier transform
- spatial domain
- frequency domain
- hyperspectral
- feature vectors
- face recognition
- image processing
- feature space
- dimension reduction
- dimensionality reduction
- feature set
- pattern recognition
- wavelet transform
- image compression
- fourier transform
- hyperspectral data
- transform coefficients
- image classification
- multiresolution
- texture features
- gabor filters
- image coding
- multispectral
- multiscale
- remote sensing
- machine learning
- principal component analysis
- feature selection
- computer vision