Texture orientation modulation for halftoning watermarking.
Jing-Ming GuoChang-Cheng SuYun-Fu LiuPublished in: ICASSP (2012)
Keyphrases
- gabor filters
- texture patterns
- surface orientation
- texture analysis
- direct binary search
- gray scale
- texture features
- color images
- spatial frequency
- error diffusion
- texture information
- digital images
- texture classification
- watermarking scheme
- image quality
- texture segmentation
- gabor filtering
- spread spectrum
- normal vectors
- image watermarking
- texture images
- image brightness
- noise shaping
- data hiding
- information hiding
- halftone images
- orientation histogram
- fragile watermarking
- watermarking algorithm
- texture synthesis
- position and orientation
- gray level
- intensity variations
- digital watermarking
- copyright protection
- surface patches
- feature extraction
- inverse halftoning
- denoising
- halftoning algorithm
- modulation scheme
- d objects
- feature vectors
- high quality