A test sample oriented two-phase discriminative dictionary learning algorithm for face recognition.
Zhengming LiQi ZhuYan ChenPublished in: Intell. Data Anal. (2016)
Keyphrases
- test sample
- training samples
- learning algorithm
- face recognition
- face images
- sparse coding
- reconstruction error
- sparse representation
- supervised learning
- active learning
- training data
- principal component analysis
- linear combination
- dictionary learning
- feature space
- classification error
- training set
- local binary pattern
- training examples
- high dimensional
- low resolution
- pattern recognition
- computer vision
- reinforcement learning
- discriminative power
- low dimensional
- machine learning
- support vector machine svm
- image representation
- unsupervised learning
- image classification
- knn
- feature vectors
- feature extraction