Efficient Scale- and Rotation-Invariant Encoding of Visual Words for Image Classification.
Hafeez AnwarSebastian ZambaniniMartin KampelPublished in: IEEE Signal Process. Lett. (2015)
Keyphrases
- image classification
- visual words
- bag of words
- scale and rotation invariant
- image representation
- image features
- bag of visual words
- discriminative power
- soft assignment
- visual features
- image search
- object categories
- feature extraction
- sparse coding
- co occurrence
- image retrieval
- sparse representation
- spatial relationships
- computer vision
- image content
- text classification
- spatial relations
- probability density function
- visual information
- pairwise
- image segmentation
- mixture model