Dictionary Learning for Promoting Structured Sparsity in Hyperspectral Compressive Sensing.
Lei ZhangWei WeiYanning ZhangChunhua ShenAnton van den HengelQinfeng ShiPublished in: IEEE Trans. Geosci. Remote. Sens. (2016)
Keyphrases
- structured sparsity
- compressive sensing
- dictionary learning
- sparse representation
- group sparsity
- sparse coding
- image data
- random projections
- image classification
- face recognition
- signal processing
- image representation
- high dimensional data
- image patches
- image processing
- learning problems
- dimensionality reduction
- multiscale
- learning algorithm
- original data
- linear combination
- principal component analysis
- data points
- pattern recognition