Nested Dictionary Learning for Hierarchical Organization of Imagery and Text.
Lingbo LiXianXing ZhangMingyuan ZhouLawrence CarinPublished in: UAI (2012)
Keyphrases
- dictionary learning
- hierarchical organization
- hierarchical structure
- sparse representation
- sparse coding
- hierarchical decomposition
- image super resolution
- computer vision
- group sparsity
- image representation
- information retrieval
- object category recognition
- image data
- high resolution
- image classification
- unsupervised learning
- sparse codes
- high quality
- database
- text classification
- natural images
- signal processing
- higher order
- text mining
- image retrieval
- data analysis