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Reversible data hiding with histogram-based difference expansion for QR code applications.
Hsiang-Cheh Huang
Feng-Cheng Chang
Wai-Chi Fang
Published in:
IEEE Trans. Consumer Electron. (2011)
Keyphrases
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reversible data hiding
qr code
data hiding
secret data
high capacity
barcode
mobile phone
augmented reality
acquired images
error correction
pixel values
prediction algorithm
visual quality
video sequences
spatial domain
signal processing
multiresolution