Digital watermarking of still images with gray-level digital watermarks.
Xiamu NiuZhe-Ming LuSheng-He SunPublished in: IEEE Trans. Consumer Electron. (2000)
Keyphrases
- gray level
- gray level images
- digital watermarking
- input image
- gray value
- pixel values
- lossy compression
- digital images
- copyright protection
- watermarking scheme
- binary images
- texture analysis
- digital content
- gray scale
- image data
- watermarked image
- spread spectrum
- watermarking technique
- geometric distortions
- digital watermark
- fractal dimension
- co occurrence
- image analysis
- color images
- image processing operations
- discrete wavelet transform
- image authentication
- test images
- image segmentation
- watermarking algorithm
- jpeg compression
- black and white
- texture features
- image features
- image watermarking
- face recognition
- gray images
- image registration
- gabor filters
- error diffusion
- transform domain