Bat optimized 3D anaglyph image watermarking based on maximum noise fraction in the digital Shearlet domain.
Subhadeep KoleyPublished in: Multim. Tools Appl. (2022)
Keyphrases
- image watermarking
- additive noise
- geometric attacks
- geometric distortions
- spread spectrum
- jpeg compression
- spatial domain
- watermarking algorithm
- noise level
- discrete wavelet transform
- digital image watermarking
- noisy images
- quality assessment
- digital watermarking
- human perception
- metadata
- signal to noise ratio
- random variables
- maximum likelihood
- digital images
- feature vectors
- high quality
- multimedia
- image processing