Local Learned Dictionaries Optimized to Edge Orientation for Inverse Halftoning.

Chang-Hwan Son Hyunseung Choo

Published in: IEEE Trans. Image Process. (2014)

Keyphrases

inverse halftoning
edge orientation
gray scale
image quality
gray scale images
edge direction
edge detector
edge information
halftone images
error diffusion
spatial domain
color images
binary images
high quality
edge map
image restoration
gray level
multiresolution