Joint discriminative dimensionality reduction and dictionary learning for face recognition.

Zhizhao Feng Meng Yang Lei Zhang Yan Liu David Zhang

Published in: Pattern Recognit. (2013)

Keyphrases

dictionary learning
sparse representation
dimensionality reduction
sparse codes
face recognition
object category recognition
sparse coding
feature extraction
principal component analysis
class specific

linear discriminant analysis
high dimensional data
unsupervised learning
subspace learning
discriminative power
manifold learning
discriminative dictionary
high dimensional
linear dimensionality reduction
image super resolution

low dimensional
image patches
image classification
feature selection
pattern recognition
data representation
feature space
face images
sparse representation based classification
discriminant analysis

data points
object recognition
graph embedding
kernel pca
image processing
computer vision
semi supervised
natural images
neural network