Nested Dictionary Learning for Hierarchical Organization of Imagery and Text
Lingbo LiXianXing ZhangMingyuan ZhouLawrence CarinPublished in: CoRR (2012)
Keyphrases
- dictionary learning
- hierarchical organization
- hierarchical structure
- sparse representation
- sparse coding
- hierarchical decomposition
- image super resolution
- group sparsity
- computer vision
- sparse codes
- information retrieval
- object category recognition
- text mining
- natural images
- image representation
- dictionary learning for sparse
- database
- image processing
- keypoints
- generative model
- ground truth
- image data
- prior knowledge
- feature space
- training data
- machine learning