Quaternion Locality-Constrained Coding for Color Face Hallucination.

Licheng Liu Shutao Li C. L. Philip Chen

Published in: IEEE Trans. Cybern. (2018)

Keyphrases

color images
color texture
face hallucination
image super resolution
low resolution
higher order
natural images
facial images
linear combination
low resolution face images
high resolution images
visual quality
image restoration
computer vision
face images
image database
image data
object recognition