Keyphrases
- image representation
- mid level features
- low level features
- visual words
- bag of words
- multiscale
- image classification
- image content
- object recognition
- co occurrence
- bag of visual words
- image retrieval
- high level features
- scene classification
- image features
- feature space
- unsupervised learning
- mid level
- learning algorithm
- n gram
- image annotation
- visual content
- bag of features
- sparse representation
- action recognition
- sparse coding
- cbir systems
- training corpus
- video sequences
- video retrieval
- semantic concepts
- part of speech
- machine learning
- text classification