QR code steganography with secret payload enhancement.
Pei-Yu LinYi-Hui ChenPublished in: ICME Workshops (2016)
Keyphrases
- qr code
- secret data
- data hiding
- mobile phone
- augmented reality
- barcode
- data embedding
- acquired images
- secret information
- secret key
- secret message
- image enhancement
- image processing
- grayscale images
- image acquisition
- high speed
- information hiding
- pixel values
- spatial domain
- mobile devices
- acquisition process
- spread spectrum
- key technologies