Clustering Hyperspectral Images Via Sparse Dictionary Learning with Joint Sparsity and Shared Wavelets.
Nan HuangLiang XiaoSongze TangQichao LiuPublished in: IGARSS (2019)
Keyphrases
- dictionary learning
- sparse representation
- hyperspectral images
- sparsity constraints
- sparse coding
- signal processing
- hyperspectral
- image representation
- high dimensional data
- clustering algorithm
- random projections
- image classification
- unsupervised learning
- compressive sensing
- k means
- face recognition
- multiresolution
- image patches
- remote sensing
- sparse codes
- document clustering
- negative matrix factorization
- multiscale
- multispectral
- dimensionality reduction
- wavelet transform
- target detection
- data points
- infrared
- image features
- high dimensional
- image processing
- computer vision