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Secure Halftone Image Steganography Based on Pixel Density Transition.
Wei Lu
Yingjie Xue
Yuileong Yeung
Hongmei Liu
Jiwu Huang
Yun Q. Shi
Published in:
IEEE Trans. Dependable Secur. Comput. (2021)
Keyphrases
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halftone images
data hiding
inverse halftoning
halftoning algorithm
gray scale
error correction
error diffusion
spatial domain
gray images
original images
black and white
data embedding
secret data
digital images
image quality
color images
continuous tone images
pixel values
hough transform
gray level