Efficient histogram dictionary learning for text/image modeling and classification.
Minyoung KimPublished in: Data Min. Knowl. Discov. (2017)
Keyphrases
- dictionary learning
- image classification
- class specific
- sparse representation
- image transformations
- sparse coding
- image super resolution
- image representation
- classifier training
- test images
- object category recognition
- image features
- input image
- image data
- image retrieval
- pattern recognition
- multiscale
- high resolution
- image segmentation
- image collections
- image content
- group sparsity
- machine learning
- text classification
- higher order
- feature space
- keypoints
- visual features
- maximum likelihood
- color features
- signal processing
- supervised learning
- decision trees
- feature selection
- data sets