New colour SIFT descriptors for image classification with applications to biometrics.
Abhishek VermaChengjun LiuJiancheng JiaPublished in: Int. J. Biom. (2011)
Keyphrases
- sift descriptors
- image classification
- visual words
- bag of features
- image features
- bag of words
- image search
- iris recognition
- discriminative power
- image representation
- feature extraction
- visual features
- sparse coding
- keypoints
- multi label
- pattern recognition
- image matching
- sparse representation
- relevance feedback
- computational cost
- feature vectors
- biometric systems
- image retrieval