Addressing the ImageClef 2009 Challenge Using a Patch-based Visual Words Representation.
Uri AvniJacob GoldbergerHayit GreenspanPublished in: CLEF (Working Notes) (2009)
Keyphrases
- visual words
- image representation
- image retrieval
- medical image retrieval
- bag of words
- bag of features
- image classification
- visual dictionary
- spatial pyramid
- visual vocabulary
- visual phrases
- image features
- co occurrence
- bag of visual words
- object categories
- spatial information
- keypoints
- scene classification
- sift descriptors
- visual content
- object retrieval
- spatial relationships
- image processing
- spatial pyramid matching
- bag of words models
- text retrieval
- image content
- gaussian mixture model
- action recognition
- feature space
- object recognition
- automatic annotation
- sparse representation
- object detection
- soft assignment
- feature extraction