Kernel based sparse representation for face recognition.

Qi Zhu Yong Xu Jinghua Wang Zizhu Fan

Published in: ICPR (2012)

Keyphrases

sparse representation
face recognition
dictionary learning
sparse coding
compressed sensing
compressive sensing
regularized least squares
negative matrix factorization
face images
reconstruction error

image patches
random projections
sparse approximations
support vector machine
feature extraction
subspace learning
illumination variations
robust face recognition
high dimensional data

signal processing
linear discriminant analysis
sparse reconstruction
facial expressions
kernel methods
image classification
piecewise smooth
joint optimization
test images

object tracking
gabor features
image representation
sparse learning
norm minimization
training data
dimensionality reduction
data sets
principal component analysis