Robust gray-scale logo watermarking in wavelet domain.
Gaurav BhatnagarQ. M. Jonathan WuBalasubramanian RamanPublished in: Comput. Electr. Eng. (2012)
Keyphrases
- gray scale
- wavelet domain
- watermarking algorithm
- image watermarking scheme
- image watermarking
- discrete wavelet transform
- denoising
- spatial domain
- wavelet coefficients
- color images
- binary images
- multiscale
- gray scale images
- wavelet transform
- human visual system
- multiresolution
- image denoising
- mathematical morphology
- shift invariant
- watermarking technique
- gray level
- watermark embedding
- digital image watermarking
- watermark detection
- watermarking scheme
- subband
- copyright protection
- spread spectrum
- error diffusion
- watermarking method
- computer vision
- wavelet domain hidden markov tree
- jpeg compression
- high frequency
- geometric distortions
- data hiding
- spatial resolution
- motion estimation
- image segmentation
- image processing
- feature selection