Using the visual Words based on Affine-SIFT descriptors for face recognition.
Yu-Shan WuHeng-Sung LiuGwo-Hwa JuTing-Wei LeeYen-Lin ChiuPublished in: APSIPA (2012)
Keyphrases
- sift descriptors
- visual words
- face recognition
- bag of words
- image classification
- discriminative power
- bag of visual words
- affine invariant
- image representation
- bag of features
- co occurrence
- visual vocabulary
- image retrieval
- scene classification
- keypoints
- spatial information
- feature representation
- local binary pattern
- affine transformation
- sift features
- image features
- face images
- scale invariant feature transform
- sparse coding
- feature extraction
- principal component analysis
- face detection
- action recognition
- sparse representation
- gaussian mixture model
- probabilistic model
- feature space
- multiscale
- image matching
- pairwise
- image content
- object recognition