Novel gray-scale watermarking algorithm based on QFT.
Chi ZhaoWeijiang WangXiwei HuangPublished in: ICARCV (2010)
Keyphrases
- gray scale
- watermarking algorithm
- jpeg compression
- color images
- signal processing
- gray scale images
- binary images
- wavelet domain
- image watermarking
- mathematical morphology
- gray level
- watermarking scheme
- copyright protection
- dct coefficients
- digital watermarking
- morphological operations
- geometric attacks
- discrete wavelet transform
- error diffusion
- machine learning
- neural network
- structuring elements
- wavelet coefficients
- image data
- multiscale
- halftone images
- inverse halftoning