NSCT-DWT-SVD Composite Digital Watermarking Algorithm based on QR Code.
Ting MaNongtian ChenPublished in: CIPAE (2022)
Keyphrases
- watermarking algorithm
- barcode
- qr code
- jpeg compression
- image watermarking
- wavelet domain
- lossy compression
- digital watermarking
- geometric attacks
- discrete wavelet transform
- signal processing
- spread spectrum
- singular value decomposition
- copyright protection
- watermarking scheme
- dct coefficients
- multiresolution
- wavelet coefficients
- watermarking technique
- wavelet transform
- digital image watermarking
- geometric distortions
- multiscale
- spatial domain
- denoising
- image sequences
- high quality
- digital content