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Visual Cryptography - How to Use Images to Share a Secret.
Ingrid Biehl
Bernd Meyer
Susanne Wetzel
Published in:
GI Jahrestagung (1998)
Keyphrases
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secret image
visual cryptography
secret sharing scheme
image data
ground truth
input image
visual cryptography scheme
secret sharing
human eyes
secret image sharing
cover image
spatial domain
secret information
multiple images
original images
test images
visual information
spatial information
multiresolution