VLSI Architecture for Spatial Domain Spread Spectrum Image Watermarking Using Gray-Scale Watermark.
Sudip GhoshSomsubhra TalapatraDebasish MondalNavonil ChatterjeeHafizur RahamanSanti P. MaityPublished in: VDAT (2012)
Keyphrases
- spatial domain
- gray scale
- spread spectrum
- image watermarking
- watermarked image
- additive noise
- wavelet domain
- frequency domain
- watermarking algorithm
- transform domain
- binary images
- watermark detection
- discrete wavelet transform
- watermark embedding
- color images
- data hiding
- motion estimation
- jpeg compression
- gray level
- dct domain
- digital watermarking
- copyright protection
- geometric distortions
- watermarking technique
- lossy compression
- reference frame
- image processing
- low frequency
- image quality
- signal processing
- digital images
- multiresolution
- multiscale