Secure QR Code Scheme Using Nonlinearity of Spatial Frequency.

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

Published in: UbiComp/ISWC Adjunct (2018)

Keyphrases

spatial frequency
qr code
texture segmentation
low frequency
augmented reality
mobile phone
high frequency
hyperspectral
barcode
feature space
wavelet transform
hash functions