Digital Watermarking Based on Joint DWT-DCT and OMP Reconstruction.
Yifeng ZhangYingying LiYibo SunPublished in: Circuits Syst. Signal Process. (2019)
Keyphrases
- digital watermarking
- digital watermark
- discrete wavelet transform
- watermark detection
- digital images
- copyright protection
- image watermarking
- jpeg compression
- watermarking scheme
- image compression
- image authentication
- dct coefficients
- digital content
- watermarking algorithm
- subband
- wavelet domain
- watermarked image
- lossy compression
- spread spectrum
- spatial domain
- reconstructed image
- high frequency
- watermarking method
- discrete cosine transform
- image reconstruction
- filter bank
- wavelet coefficients
- frequency domain
- transform domain
- multiresolution
- low bit rate
- additive noise
- multiscale
- bit rate
- multimedia content
- high resolution