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Embedding grayscale halftone pictures in QR Codes using Correction Trees
Jarek Duda
Published in:
CoRR (2012)
Keyphrases
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gray scale
qr codes
color images
binary images
halftone images
grayscale images
mathematical morphology
error diffusion
qr code
data hiding
gray level
inverse halftoning
linked data
virtual space
mobile phone
error correction
data embedding
human visual system