Keyphrases
- feature representation
- image data
- input image
- feature representations
- face recognition
- feature extraction
- image database
- image retrieval
- sparse representation
- data sets
- image classification
- image similarity
- ground truth
- feature set
- low dimensional
- object recognition
- input data
- image matching
- test images
- feature descriptors
- image analysis
- signal processing
- image registration
- feature selection