Reconstructable and Interpretable Representations for Time Series with Time-Skip Sparse Dictionary Learning.
Genta YoshimuraAtsunori KanemuraHideki AsohPublished in: ACM Multimedia (Thematic Workshops) (2017)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- sparse codes
- sparsity constraints
- natural images
- object category recognition
- face recognition
- generative model
- unsupervised learning
- signal recovery
- image patches
- visual words
- compressive sensing
- machine learning
- image representation
- signal processing
- feature space
- decision trees