Visual word expansion and BSIFT verification for large-scale image search.
Wengang ZhouHouqiang LiYijuan LuMeng WangQi TianPublished in: Multim. Syst. (2015)
Keyphrases
- visual words
- bag of features
- bag of words
- image classification
- bag of visual words
- co occurrence
- image representation
- visual vocabulary
- visual phrases
- discriminative power
- object categories
- scene classification
- image retrieval
- image features
- visual content
- sift descriptors
- action recognition
- weighting scheme
- object retrieval
- spatial information
- keypoints
- visual dictionary
- visual codebook
- object recognition
- spatial relationships
- gaussian mixture model
- vector quantized
- visual features
- feature space
- text retrieval
- pose estimation
- feature points
- text classification
- image database
- pairwise