Blind and safety-enhanced dual watermarking algorithm with chaotic system encryption based on RHFM and DWT-DCT.
Zhenyu LiHao ZhangXilin LiuChunpeng WangXingyuan WangPublished in: Digit. Signal Process. (2021)
Keyphrases
- watermarking algorithm
- chaotic systems
- jpeg compression
- dct coefficients
- image watermarking
- image authentication
- watermark extraction
- watermark detection
- digital watermark
- wavelet domain
- digital watermarking
- lossy compression
- geometric attacks
- jpeg images
- watermarking scheme
- discrete wavelet transform
- spatial domain
- signal processing
- spread spectrum
- copyright protection
- dct domain
- watermarking technique
- multiresolution
- watermarked image
- wavelet transform
- digital image watermarking
- discrete cosine transform
- frequency domain
- watermark embedding
- image processing
- image compression
- wavelet coefficients
- digital images
- optical flow
- watermarking method
- pattern recognition
- multiscale
- geometric distortions
- high quality