Performance enhancement of SVD based dual image watermarking in wavelet domain using PSO and JAYA optimization and their comparison under hybrid attacks.
Divyanshu AwasthiVinay Kumar SrivastavaPublished in: Multim. Tools Appl. (2023)
Keyphrases
- image watermarking
- wavelet domain
- watermarking algorithm
- image watermarking scheme
- discrete wavelet transform
- watermark embedding
- watermarking scheme
- watermarking method
- jpeg compression
- denoising
- spread spectrum
- spatial domain
- wavelet coefficients
- wavelet transform
- multiscale
- multiresolution
- digital watermarking
- image denoising
- subband
- copyright protection
- human visual system
- watermarking technique
- lossy compression
- high frequency
- image processing
- singular value decomposition
- geometric distortions
- frequency domain
- image normalization
- digital image watermarking
- dct coefficients
- support vector regression
- watermarked image
- natural images
- transform domain
- error correction
- noisy images
- digital images
- optical flow
- object recognition
- computer vision