mQRCode: Secure QR Code Using Nonlinearity of Spatial Frequency in Light.

Hao Pan Yi-Chao Chen Lanqing Yang Guangtao Xue Chuang-Wen You Xiaoyu Ji

Published in: MobiCom (2019)

Keyphrases

spatial frequency
qr code
texture segmentation
mobile phone
augmented reality
barcode
low frequency
acquired images
high frequency
hyperspectral
image analysis
multi view
texture analysis