Obtaining Full Regularization Paths for Robust Sparse Coding with Applications to Face Recognition.
Jan ChorowskiJacek M. ZuradaPublished in: ICMLA (1) (2012)
Keyphrases
- sparse coding
- robust face recognition
- sparse representation
- norm minimization
- face recognition
- dictionary learning
- sparse representation based classification
- group sparsity
- natural images
- subspace learning
- image classification
- sparsity constraints
- linear combination
- sparse approximation
- generative model
- discriminative power
- unsupervised learning
- image representation
- image patches
- sparse codes
- person re identification
- convex optimization
- feature space
- face images
- machine learning
- object detection
- high dimensional
- ground truth
- visual words
- small number
- higher order
- pattern recognition
- action recognition
- signal processing
- denoising