Document Image Watermarking Scheme with Adaptive Positioning Based on Discrete Wavelet Transform and Discrete Cosine Transform.
Yiyu ZhouLuning HongXiaoqiang ZhuPublished in: MMSP (2022)
Keyphrases
- discrete wavelet transform
- discrete cosine transform
- jpeg compression
- dct coefficients
- wavelet domain
- subband
- jpeg images
- image compression
- image watermarking
- filter bank
- transform domain
- spatial domain
- multiresolution
- wavelet coefficients
- high frequency
- dct domain
- wavelet transform
- digital watermarking
- image fusion
- watermarked image
- low frequency
- watermarking algorithm
- multiscale
- image denoising
- denoising
- spread spectrum
- image blocks
- macroblock
- compressed images
- frequency domain
- image data