Securing Medical Data by Combining Encryption and Robust Blind Medical Image Watermarking Based on Zaslavsky Chaotic Map and DCT Coefficients.
Nawel BalaskaAïssa BelmeguenaïAhcène GoutasZahir AhmidaSelma BoumerdassiPublished in: SN Comput. Sci. (2022)
Keyphrases
- medical data
- image watermarking
- jpeg compression
- dct coefficients
- watermarking algorithm
- discrete cosine transform
- image encryption
- geometric distortions
- medical images
- dct domain
- compressed domain
- transform domain
- watermarking scheme
- digital images
- signal processing
- digital watermarking
- watermarking technique
- wavelet domain
- additive noise
- discrete wavelet transform
- copyright protection
- feature vectors
- lossy compression
- peak signal to noise ratio
- watermark embedding
- gaussian noise
- watermark detection