Face recognition based on dictionary learning and subspace learning.

Mengmeng Liao Xiaodong Gu

Published in: Digit. Signal Process. (2019)

Keyphrases

subspace learning
dictionary learning
sparse representation
face recognition
sparse coding
image classification
natural images
face images

signal processing
unsupervised learning
image representation
image patches
test images
linear combination
manifold learning
discriminant analysis

dimensionality reduction
graph embedding
subspace learning algorithm
sparse representation based classification
learning algorithm
linear discriminant analysis
high dimensional data

feature extraction
action recognition
data representation
principal component analysis
facial expressions
feature space
object recognition