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Halftone Visual Cryptography Embedding a Natural Grayscale Image Based on Error Diffusion Technique.
Emi Myodo
Koichi Takagi
Satoshi Miyaji
Yasuhiro Takishima
Published in:
ICME (2007)
Keyphrases
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gray scale
error diffusion
visual cryptography
halftone images
data hiding
inverse halftoning
binary images
color images
gray scale images
gray level
grayscale images
halftoning algorithm
error diffused
computer vision
secret sharing scheme
image quality
error correction
frequency domain
black and white