Double-encrypted watermarking algorithm based on cosine transform and fractional Fourier transform in invariant wavelet domain
Yuanmin Li, Deyun Wei, Lina Zhang
Topics & Concepts
WatermarkDiscrete cosine transformMathematicsDigital watermarkingAlgorithmEmbeddingFractional Fourier transformRobustness (evolution)Discrete wavelet transformWavelet transformFourier transformHarmonic wavelet transformWaveletInvariant (physics)Computer scienceArtificial intelligenceImage (mathematics)Mathematical analysisFourier analysisGeneMathematical physicsChemistryBiochemistryAdvanced Steganography and Watermarking TechniquesChaos-based Image/Signal EncryptionImage and Video Stabilization