Efficient Coupled Dictionary Learning And Sparse Coding For Noisy Piecewise-Smooth Signals: Application To Hyperspectral Imaging.
Alexandros GkillasDimitris AmpeliotisKostas BerberidisPublished in: ICIP (2020)
Keyphrases
- motion estimation
- dictionary learning
- sparse coding
- sparse representation
- image classification
- natural images
- linear combination
- group sparsity
- unsupervised learning
- signal processing
- generative model
- object category recognition
- sparse codes
- image representation
- image sequences
- feature space
- random projections
- high dimensional
- object recognition
- face recognition
- image patches
- scale space
- machine learning
- dimensionality reduction
- training data
- similarity measure
- image processing