New watermarking algorithm utilizing quaternion Fourier transform with advanced scrambling and secure encryption.
Uzair Aslam BhattiLinwang YuanZhaoyuan YuJingbing LiSaqib Ali NawazAnum MehmoodKun ZhangPublished in: Multim. Tools Appl. (2021)
Keyphrases
- fourier transform
- watermarking algorithm
- signal processing
- image encryption
- digital signature
- key management
- image authentication
- digital watermarking
- encryption scheme
- authentication scheme
- jpeg compression
- security analysis
- frequency domain
- chaotic sequence
- watermarking technique
- copyright protection
- wavelet domain
- private key
- watermarking scheme
- pattern recognition
- secret key
- discrete fourier transform
- public key
- filter bank
- image processing
- fourier descriptors
- fast fourier transform
- polar coordinates
- security requirements
- smart card
- subband
- digital images
- object recognition
- multiscale
- high quality
- image segmentation