Halftone QR codes.

Hung-Kuo Chu Chia-Sheng Chang Ruen-Rone Lee Niloy J. Mitra

Published in: ACM Trans. Graph. (2013)

Keyphrases

qr codes
linked data
qr code
gray scale
error diffusion
virtual space
data hiding
halftone images
mobile phone
augmented reality
barcode
image quality
color images
human visual system