A QR Code Watermarking Approach Based on the DWT-DCT Technique.
Yang-Wai ChowWilly SusiloJoseph TonienWei ZongPublished in: ACISP (2) (2017)
Keyphrases
- qr code
- barcode
- watermarking algorithm
- image watermarking
- jpeg compression
- dct coefficients
- watermark detection
- digital watermark
- digital watermarking
- augmented reality
- mobile phone
- discrete cosine transform
- geometric attacks
- discrete wavelet transform
- jpeg images
- lossy compression
- spread spectrum
- wavelet domain
- watermarking scheme
- copyright protection
- acquired images
- dct domain
- image authentication
- signal processing
- watermarking technique
- transform domain
- spatial domain
- digital images
- multiresolution
- error correction
- watermark embedding
- wavelet transform
- image acquisition
- watermarked image
- information hiding
- mobile devices
- denoising
- image compression
- image processing
- image quality
- compressed domain
- subband
- filter bank
- hough transform