Structured Dictionary Learning for Compressive Speech Sensing.
Yunyun JiWei-Ping ZhuBenoît ChampagnePublished in: EUSIPCO (2018)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- compressive sensing
- image super resolution
- group sparsity
- random projections
- object category recognition
- natural images
- sparse codes
- dimensionality reduction
- image patches
- active learning
- reinforcement learning
- face recognition
- image representation
- dictionary learning for sparse
- data mining
- unsupervised learning
- image classification
- ground truth
- high quality
- training data
- feature selection