Secure halftone image steganography based on density preserving and distortion fusion.

Mujian Yu Xiaolin Yin Wanteng Liu Wei Lu

Published in: Signal Process. (2021)

Keyphrases

halftone images
data hiding
data embedding
inverse halftoning
error correction
secret data
gray scale
error diffusion
perceptual quality
spatial domain
continuous tone images
black and white
image quality
vector quantizer
visual quality
digital images
frequency domain
multiresolution
multiscale
image processing