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New fool proof examination system through color visual cryptography and signature authentication.
Mohamed Fathimal
Arockia Jansirani
Published in:
Int. Arab J. Inf. Technol. (2019)
Keyphrases
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visual cryptography
secret image sharing
color images
secret sharing scheme
color information
visual cryptography scheme
error diffusion
halftone images
color constancy
high frequency
human eyes
secret sharing
image processing
human vision
image regions
image authentication
gray level
post processing
high quality