All-round improvement in DCT-based blind image watermarking with visual enhancement via denoising autoencoder.
Hwai-Tsu HuLing-Yuan HsuTung-Tsun LeePublished in: Comput. Electr. Eng. (2022)
Keyphrases
- image watermarking
- denoising
- image processing
- image denoising
- spread spectrum
- wavelet domain
- noisy images
- jpeg compression
- watermarking algorithm
- discrete wavelet transform
- additive noise
- lossy compression
- image compression
- visual information
- natural images
- copyright protection
- gaussian noise
- geometric distortions
- digital watermarking
- frequency domain
- dct coefficients
- high resolution
- spatial domain
- watermarking technique
- computer vision
- wavelet coefficients
- random variables
- multiscale
- metadata