A digital watermarking scheme for image tamper detection.
Zlatoliliya IlchevaNikodim LazarovPublished in: CompSysTech (2014)
Keyphrases
- image authentication
- tamper detection
- watermarking scheme
- semi fragile
- public key
- data hiding
- image content
- jpeg compression
- digital watermarking
- error correction
- geometric distortions
- copyright protection
- image data
- spread spectrum
- watermarking technique
- multiscale
- image representation
- authentication scheme
- edge detection
- watermarking algorithm
- denoising
- singular values
- multimedia
- watermarked image
- pixel values
- digital images
- high frequency
- image regions