Keyphrases
- image classification
- image representation
- document classification
- document images
- document collections
- visual words
- bag of words
- visual features
- web documents
- information retrieval
- feature extraction
- image features
- document clustering
- information retrieval systems
- structured documents
- retrieval systems
- multi modal
- sparse coding
- vector space model
- tf idf
- cf loadingtexthtml
- document retrieval
- text documents
- multi label
- object recognition
- document representation
- neural network
- class specific
- database