Image classification: A hierarchical dictionary learning approach.
Shahin MahdizadehaghdamLiyi DaiHamid KrimErik SkauHan WangPublished in: ICASSP (2017)
Keyphrases
- dictionary learning
- image classification
- sparse coding
- sparse representation
- classifier training
- class specific
- sparse codes
- group sparsity
- image representation
- image super resolution
- discriminative dictionary
- visual words
- feature extraction
- image features
- bag of words
- visual recognition
- object category recognition
- unsupervised learning
- visual categorization
- image patches
- dictionary learning for sparse
- action recognition
- semi supervised
- active learning
- multiscale