An Improved Image Watermarking by Modifying Selected DWT-DCT Coefficients.
Ferda ErnawanDhani AriatmantoAhmad FirdausPublished in: IEEE Access (2021)
Keyphrases
- image watermarking
- dct coefficients
- jpeg compression
- watermarking algorithm
- discrete cosine transform
- dct domain
- transform domain
- compressed domain
- discrete wavelet transform
- feature vectors
- geometric distortions
- signal processing
- geometric attacks
- digital watermark
- digital watermarking
- macroblock
- additive noise
- copyright protection
- low frequency
- watermarking scheme
- frequency domain
- digital images
- lossy compression
- image data
- wavelet domain
- bit rate
- image compression
- watermarking technique
- feature extraction