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A study on memorability and shoulder-surfing robustness of graphical password using DWT-based image blending.
Takao Miyachi
Keita Takahashi
Madoka Hasegawa
Yuichi Tanaka
Shigeo Kato
Published in:
PCS (2010)
Keyphrases
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image features
image classification
multiscale
wavelet transform
image watermarking
geometric attacks
high resolution
input image
lossy compression
multiresolution
image quality
data processing
gray level
low frequency
discrete wavelet transform