Visual word coding based on difference maximization.
Yu-Bin YangLing-Yan PanYang GaoGuang-Nan HeYao ZhangPublished in: Neurocomputing (2013)
Keyphrases
- visual words
- soft assignment
- bag of words
- image classification
- bag of visual words
- visual phrases
- coding scheme
- discriminative power
- image representation
- visual vocabulary
- co occurrence
- bag of features
- visual content
- sparse coding
- image retrieval
- spatial information
- scene classification
- keypoints
- image features
- coding method
- object categories
- object retrieval
- weighting scheme
- sift descriptors
- action recognition
- feature space
- multiscale
- spatial pyramid
- visual dictionary
- information retrieval
- object recognition
- spatial relationships
- gaussian mixture model
- n gram
- image database
- relevance feedback
- machine learning
- vector quantized