Keyphrases
- image classification
- bag of words
- image representation
- codebook generation
- visual words
- image features
- visual codebook
- vector quantization
- bag of visual words
- visual features
- sparse representation
- bag of features
- multi label
- sparse coding
- feature extraction
- scene classification
- class specific
- spatial pyramid
- soft assignment
- natural images
- text classification
- visual categorization
- vector quantized
- feature vectors
- support vector