A robust encryption watermarking algorithm for medical images based on ridgelet-DCT and THM double chaos.
Zilong LiuJingbing LiYang AiYuancai ZhengJing LiuPublished in: J. Cloud Comput. (2022)
Keyphrases
- medical images
- watermarking algorithm
- watermark detection
- dct coefficients
- image watermarking
- jpeg compression
- geometric attacks
- anatomical structures
- medical imaging
- digital image watermarking
- mr images
- deformable models
- medical image analysis
- watermarking scheme
- image authentication
- geometric distortions
- watermarking technique
- wavelet domain
- signal processing
- watermarking method
- neural network
- watermark extraction
- image denoising
- dct domain
- digital watermarking
- multiscale
- digital watermark
- spatial domain
- lossy compression
- denoising
- face recognition
- video sequences
- jpeg images
- spread spectrum
- discrete cosine transform
- transform domain
- image compression