A Robust Digital Image Watermarking Algorithm Based on DCT Domain for Copyright Protection.
Zhen ZhouShuyu ChenGuiPing WangPublished in: Smart Graphics (2015)
Keyphrases
- watermark detection
- dct domain
- copyright protection
- video watermarking
- digital video
- image watermarking
- watermarking technique
- spatial domain
- digital watermarking
- dct coefficients
- watermarking scheme
- watermarking algorithm
- transform domain
- digital images
- post processing
- watermarking method
- compressed domain
- spread spectrum
- human visual system
- discrete cosine transform
- compressed images
- low frequency
- multimedia content
- jpeg images
- multimedia data
- image blocks
- image segmentation
- reference frame
- discrete wavelet transform
- geometric distortions
- frequency domain
- wavelet transform
- multiresolution
- multiscale