A novel local descriptor based on image patch gray-value coding.

Yongbin Zheng Xinsheng Huang Wanying Xu Yiping Wang

Published in: ROBIO (2009)

Keyphrases

image patches
gray value
natural images
gray level
low contrast
test images
low resolution
sparse representation
feature vectors
sparse coding
super resolution
orientation histogram
contrast enhancement
image super resolution
image processing
high resolution
computer vision
data sets