Multiuser-based Gray-level Watermarking Sharing System.
Bin LuoYouqing WuJin TangWanli LvWei GuPublished in: J. Multim. (2009)
Keyphrases
- gray level
- multiple users
- input image
- co occurrence
- gray scale
- texture analysis
- digital images
- gray level images
- black and white
- low contrast
- pixel values
- run length
- texture features
- edge detector
- contrast enhancement
- gray value
- image segmentation
- watermarking algorithm
- image contrast enhancement
- watermarking scheme
- data sharing
- multipath
- thresholding method
- connected operators
- error diffusion
- homogeneous regions
- texture images
- mathematical morphology
- binary images
- copyright protection
- image compression
- image processing