Robust zero-watermarking algorithm based on polar complex exponential transform and logistic mapping.
Chunpeng WangXing-Yuan WangXing-jun ChenChuan ZhangPublished in: Multim. Tools Appl. (2017)
Keyphrases
- watermarking algorithm
- image watermarking
- geometric distortions
- geometric attacks
- digital image watermarking
- jpeg compression
- watermarking technique
- signal processing
- watermark detection
- watermarking method
- spread spectrum
- lossy compression
- semi fragile
- polar coordinates
- copyright protection
- high level
- neural network
- fourier transform
- visual quality
- image data
- object recognition