HRM graph constrained dictionary learning for face image super-resolution.

Kebin Huang Ruimin Hu Junjun Jiang Zhen Han Feng Wang

Published in: Multim. Tools Appl. (2017)

Keyphrases

image super resolution
dictionary learning
sparse representation
sparse coding
low resolution
face images
class specific
natural images
face recognition
semi supervised
higher order
image representation
data sets
facial expressions
image classification
super resolution