Improved watermarking technique based on significant difference of lifting wavelet coefficients.
Vivek Singh VermaRajib Kumar JhaPublished in: Signal Image Video Process. (2015)
Keyphrases
- wavelet coefficients
- wavelet transform
- wavelet domain
- discrete wavelet transform
- watermarking technique
- subband
- multiresolution
- digital watermarking
- multiscale
- image denoising
- watermarking algorithm
- high frequency
- noisy images
- image compression
- low frequency
- copyright protection
- bitstream
- digital images
- compressed domain
- data hiding
- feature extraction
- jpeg compression
- statistical model
- image segmentation
- feature vectors