Robust, imperceptible and optimized watermarking of DICOM image using Schur decomposition, LWT-DCT-SVD and its authentication using SURF.
Divyanshu AwasthiVinay Kumar SrivastavaPublished in: Multim. Tools Appl. (2023)
Keyphrases
- watermarking technique
- image authentication
- watermark detection
- fragile watermarking
- digital watermarking
- watermarking scheme
- image watermarking
- copyright protection
- digital watermark
- digital images
- discrete cosine transformation
- watermarking algorithm
- data hiding
- geometric attacks
- spread spectrum
- watermarking method
- jpeg compression
- geometric distortions
- watermark extraction
- image matching
- image processing operations
- image features
- input image
- digital image watermarking
- image content
- multiscale
- singular value decomposition
- test images
- compressed domain
- embedded watermark
- watermarked image
- tampering detection
- feature descriptors
- digital imaging
- scale invariant feature transform
- watermark embedding
- speeded up robust features
- dct domain
- feature extraction