Semi-fragile Watermarking Algorithm Based on Image Character.
Che ShengbingChe ZuguoMa BinHuang QiangboPublished in: CSSE (3) (2008)
Keyphrases
- watermarking algorithm
- semi fragile
- image authentication
- tamper detection
- jpeg compression
- watermarking scheme
- watermarking technique
- image watermarking
- geometric distortions
- watermarking method
- signal processing
- lossy compression
- image content
- watermark detection
- spread spectrum
- image data
- digital watermarking
- multiscale
- input image
- copyright protection
- wavelet domain
- image segmentation
- watermarked image
- additive noise
- embedded watermark
- computer vision
- feature vectors
- image retrieval
- data hiding
- jpeg images
- integer wavelet transform
- optical flow