Self Learning Classification for Degraded Document Images by Sparse Representation.
Bolan SuShangxuan TianShijian LuThien Anh DinhChew Lim TanPublished in: ICDAR (2013)
Keyphrases
- sparse representation
- document images
- dictionary learning
- image classification
- sparse coding
- page segmentation
- compressive sensing
- pattern recognition
- compressed sensing
- decision trees
- face recognition
- random projections
- document analysis
- document image analysis
- image representation
- feature extraction
- ocr systems
- feature vectors
- scanned documents
- linear combination
- sparse reconstruction
- supervised learning
- training set
- optical character recognition
- joint optimization
- printed documents
- document image retrieval
- neural network
- test images
- text classification
- signal processing
- dimensionality reduction
- denoising
- image segmentation
- data mining