A secure face recognition scheme using noisy images based on kernel sparse representation.
Masakazu FurukawaYuichi MurakiMasaaki FujiyoshiHitoshi KiyaPublished in: APSIPA (2013)
Keyphrases
- recognition scheme
- noisy images
- sparse representation
- image patches
- regularized least squares
- image denoising
- dictionary learning
- denoising
- human machine interaction
- noise level
- edge detection
- sparse coding
- object recognition
- high dimensional data
- image representation
- kernel function
- compressive sensing
- face recognition
- signal processing
- image classification
- gaussian noise
- natural images
- joint optimization
- test images
- face images
- gesture recognition
- piecewise smooth
- computer vision
- wavelet coefficients
- kernel methods
- facial expressions
- nearest neighbor
- ground truth
- computational complexity