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Quantization Based Data Hiding Scheme for Efficient Quality Access Control of Images Using DWT via Lifting.
Amit Phadikar
Santi P. Maity
Malay K. Kundu
Published in:
ICVGIP (2008)
Keyphrases
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access control
input image
dynamic access control
security policies
image data
role based access control
data hiding scheme
multiresolution
data hiding
lossy compression
test images
discrete wavelet transform
feature extraction
wavelet transform
digital images
access control models