A quantitative metric of visual-words separability for a more discriminative visual vocabulary in an unsupervised manner.
Xin FengBo LiYongxin GeJiaxing TanPublished in: ICICS (2013)
Keyphrases
- visual vocabulary
- visual words
- discriminative power
- bag of visual words
- bag of words
- image classification
- visual phrases
- co occurrence
- image features
- image representation
- object categories
- bag of features
- image retrieval
- visual content
- object retrieval
- image descriptors
- keypoints
- mid level
- scene classification
- spatial information
- feature extraction
- sift descriptors
- random forest
- unsupervised learning
- feature vectors
- text classification
- discriminative features
- image collections
- semi supervised
- dimensionality reduction
- action recognition
- latent semantic analysis
- model selection
- feature space
- information retrieval
- decision trees
- computer vision