Multi-resolution dictionary collaborative representation for face recognition.

Zhen Liu Xiaojun Wu Zhenqiu Shu

Published in: Pattern Anal. Appl. (2021)

Keyphrases

multiresolution
face recognition
sparse representation
hierarchical representation
feature representation
recognition rate

dictionary learning for sparse
computer supported collaborative learning
image representation
computer vision
collaborative environment

linear discriminant analysis
knowledge sharing
human faces
face images
data sets

face detection
coarse to fine
collaborative learning
facial expressions
wavelet transform