Blind image watermarking via psychovisual-based relative modulation in DCT domain with performance optimized by GWO.
Hwai-Tsu HuYing-Hsiang LuTung-Tsun LeePublished in: Multim. Tools Appl. (2022)
Keyphrases
- dct domain
- image watermarking
- human visual system
- watermark detection
- dct coefficients
- jpeg compression
- spatial domain
- watermarking algorithm
- wavelet domain
- spread spectrum
- image quality
- transform domain
- discrete wavelet transform
- additive noise
- compressed domain
- post processing
- digital video
- lossy compression
- visual information
- discrete cosine transform
- visual quality
- watermarking technique
- geometric distortions
- digital watermarking
- copyright protection
- feature vectors
- signal processing
- frequency domain
- watermarked image
- digital images
- multimedia
- error diffusion
- reference frame
- watermarking scheme