A new DCT-based robust image watermarking method using teaching-learning-Based optimization.
Mohammad MoosazadehGholamhossein EkbatanifardPublished in: J. Inf. Secur. Appl. (2019)
Keyphrases
- watermarking method
- watermarking scheme
- image data
- copyright protection
- digital watermarking
- input image
- multiscale
- watermark detection
- image regions
- test images
- geometric distortions
- watermarking technique
- data hiding
- highly robust
- image watermarking
- jpeg images
- dct coefficients
- discrete cosine transform
- watermarking algorithm
- partial occlusion
- dct domain
- low frequency
- watermarked image
- spatial domain
- high frequency
- high resolution