Seeing through bag-of-visual-word glasses: towards understanding quantization effects in feature extraction methods.
Alexander FreytagJohannes RühlePaul BodesheimErik RodnerJoachim DenzlerPublished in: CoRR (2014)
Keyphrases
- bag of words
- visual words
- image classification
- discriminative power
- image representation
- action recognition
- bag of visual words
- vocabulary tree
- bag of features
- text classification
- visual vocabulary
- visual phrases
- object categories
- soft assignment
- spatial relationships
- visual content
- co occurrence
- object retrieval
- image retrieval
- weighting scheme
- scene classification
- spatial information
- n gram
- feature extraction
- visual dictionary
- sift descriptors
- keypoints
- object recognition
- multiscale