A DWT and Coefficient Exchange Block Based DCT Image Watermarking and their Comparative Assessment.
Kumari RinkiPuspneel VermaPublished in: ICCCNT (2021)
Keyphrases
- image watermarking
- discrete cosine transform
- dct coefficients
- jpeg compression
- watermark detection
- image compression
- digital watermark
- spread spectrum
- lossy compression
- discrete wavelet transform
- transform domain
- dct domain
- filter bank
- geometric distortions
- geometric attacks
- low bit rate
- additive noise
- spatial domain
- watermarking algorithm
- copyright protection
- multiresolution
- digital watermarking
- image processing
- compression ratio
- wavelet transform
- watermarking technique
- digital image watermarking
- compressed domain
- remote sensing
- image restoration
- motion estimation
- image data
- high quality