Contourlet-based image and video watermarking robust to geometric attacks and compressions.
Lei ChenJiying ZhaoPublished in: Multim. Tools Appl. (2018)
Keyphrases
- geometric attacks
- image watermarking
- digital image watermarking
- watermarking scheme
- geometric distortions
- spread spectrum
- watermarking algorithm
- watermark detection
- image normalization
- watermarking technique
- copyright protection
- image data
- multiscale
- edge detection
- high resolution
- digital watermarking
- test images
- post processing
- image processing
- geometric transformations
- jpeg compression
- reference frame
- pixel values
- multiresolution