Reversible Color Image Watermarking Using Fractional-Order Polar Harmonic Transforms and a Chaotic Sine Map.
Khalid M. HosnyMohamed M. DarwishPublished in: Circuits Syst. Signal Process. (2021)
Keyphrases
- image watermarking
- fractional order
- differential equations
- feedback control
- color images
- dynamical systems
- jpeg compression
- pid controller
- copyright protection
- diffusion equation
- watermarking algorithm
- transfer function
- differential evolution
- geometric distortions
- digital watermarking
- discrete wavelet transform
- lossy compression
- closed loop
- neural network
- additive noise
- watermarking scheme
- image reconstruction
- multiresolution