Image-Adaptive Watermarking Using the Improved Signal to Noise Ratio.
Xinshan ZhuPublished in: CIS (2006)
Keyphrases
- signal to noise ratio
- edge detection
- minimum mean square error
- noise reduction
- image data
- wiener filter
- gaussian noise
- input image
- multiscale
- fragile watermarking
- image authentication
- speckle noise
- spatial filtering
- image segmentation
- watermarking algorithm
- dynamic range
- watermarking technique
- image watermarking
- high resolution
- pixel values
- edge detector