LWT-DCT-SVD and DWT-DCT-SVD based watermarking schemes with their performance enhancement using Jaya and Particle swarm optimization and comparison of results under various attacks.
Divyanshu AwasthiVinay Kumar SrivastavaPublished in: Multim. Tools Appl. (2022)
Keyphrases
- watermarking scheme
- digital watermark
- watermark detection
- digital watermarking
- jpeg compression
- particle swarm optimization
- discrete cosine transform
- image watermarking
- watermarking method
- transform domain
- blind watermarking
- watermarked image
- geometric attacks
- watermarking algorithm
- dct coefficients
- jpeg images
- image authentication
- singular value decomposition
- copyright protection
- image watermarking scheme
- watermark extraction
- watermarking technique
- error correction
- spread spectrum
- digital image watermarking
- robust watermarking scheme
- video watermarking
- discrete wavelet transform
- image compression
- multiresolution
- watermark embedding
- dct domain
- digital images
- geometric distortions
- image processing
- singular values
- filter bank
- least squares
- lossy compression
- subband
- signal processing
- dimensionality reduction