An Image Authentication Scheme for Halftone Images Based upon Error Diffusion.
Jun-Chou ChuangChin-Chen ChangPublished in: IIH-MSP (2008)
Keyphrases
- inverse halftoning
- halftone images
- error diffusion
- continuous tone images
- gray scale
- image quality
- gray scale images
- original images
- error diffused images
- authentication scheme
- halftoning algorithm
- data hiding
- black and white
- image data
- lossless compression
- binary images
- gray images
- image classification
- image features
- gray level
- low frequency
- input image
- single image
- image retrieval
- edge detection
- perceptual quality
- low pass
- public key
- multiscale
- human visual system