Dual-purpose semi-fragile watermark: Authentication and recovery of digital images.
Rafi UllahAsifullah KhanAamir Saeed MalikPublished in: Comput. Electr. Eng. (2013)
Keyphrases
- digital images
- semi fragile
- jpeg compression
- watermarking technique
- digital watermarking
- copyright protection
- image authentication
- watermarked image
- semi fragile watermarking
- watermarking algorithm
- image watermarking
- watermarking scheme
- tamper detection
- geometric distortions
- watermarking method
- digital signature
- discrete wavelet transform
- watermark detection
- lossy compression
- feature vectors
- wavelet domain
- black and white
- multimedia content