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Authentication using graphical passwords: effects of tolerance and image choice.
Susan Wiedenbeck
Jim Waters
Jean-Camille Birget
Alex Brodskiy
Nasir D. Memon
Published in:
SOUPS (2005)
Keyphrases
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image data
fragile watermarking
image retrieval
image features
input image
image content
single image
multiscale
image authentication
feature points
image segmentation
information systems
spatial information
region of interest
lightweight
low cost
high resolution