Local Structure-Based Sparse Representation for Face Recognition.

Fan Liu Jinhui Tang Yan Song Liyan Zhang Zhenmin Tang

Published in: ACM Trans. Intell. Syst. Technol. (2015)

Keyphrases

sparse representation
face recognition
dictionary learning
sparse coding
compressive sensing
subspace learning
regularized least squares

object tracking
image classification
signal processing
random projections
image representation
high dimensional data
image patches

reconstruction error
dimensionality reduction
negative matrix factorization
illumination variations
joint optimization
face images
facial expressions

compressed sensing
sparsity constraints
sparse coefficients
natural images
low dimensional
feature extraction