Digital watermarking of images using compression and color saturation processing.
Shi-Cheng ChaoHau-Ming HuangChi-Yao ChenPublished in: Color Imaging: Processing, Hardcopy, and Applications (2008)
Keyphrases
- lossy compression
- digital watermarking
- image processing operations
- gray level images
- image data
- spread spectrum
- input image
- image analysis
- edge detection
- image regions
- image registration
- color images
- image quality
- pixel values
- test images
- image compression
- discrete wavelet transform
- digital content
- error diffusion
- lossless compression
- bit rate
- geometric distortions
- denoising