Spread Spectrum based Robust Image Watermark Authentication
Tirtha Shankar DasVijay Harishchandra MankarSubir Kumar SarkarPublished in: CoRR (2012)
Keyphrases
- spread spectrum
- image watermarking
- image processing operations
- watermark detection
- digital watermarking
- watermarking technique
- geometric distortions
- watermark embedding
- watermarking algorithm
- watermarking scheme
- video watermarking
- image authentication
- watermarking method
- watermarked image
- data hiding
- copyright protection
- jpeg compression
- digital images
- transform domain
- embedded watermark
- lossy compression
- input image
- tampering detection
- dct domain
- discrete wavelet transform
- image data
- image segmentation
- image regions
- signal processing
- multiscale