Non-blind RGB watermarking approach using SVD in translation invariant wavelet space with enhanced Grey-wolf optimizer.
Bhasker DappuriMakkena Purnachandra RaoMadhu Babu SikhaPublished in: Multim. Tools Appl. (2020)
Keyphrases
- translation invariant
- wavelet transform
- denoising
- mathematical morphology
- multiscale
- wavelet packet
- object identification
- wavelet shrinkage
- gray scale
- morphological operators
- contourlet transform
- shift invariant
- morphological filters
- structuring elements
- image processing
- pattern recognition
- multiresolution
- wavelet coefficients
- image compression
- image denoising
- color images
- image matching
- watermarking scheme
- keypoints
- watermarking algorithm
- subband
- natural images
- computational complexity
- signal processing
- edge detection