Encrypted digital watermarking algorithm for quick response code using discrete cosine transform and singular value decomposition.
Limin SunShili LiangPeipei ChenYixin ChenPublished in: Multim. Tools Appl. (2021)
Keyphrases
- singular value decomposition
- quick response
- watermarking algorithm
- dct coefficients
- discrete cosine transform
- jpeg compression
- dct domain
- image compression
- signal processing
- singular values
- low rank
- transform domain
- watermarking scheme
- principal component analysis
- wavelet domain
- least squares
- jpeg images
- watermark detection
- filter bank
- dimensionality reduction
- barcode
- image blocks
- digital watermarking
- copyright protection
- lossy compression
- multiresolution
- neural network
- denoising
- image sequences
- watermarking technique
- image denoising