Data hiding in gray-scale images using pixel value differencing.
R. M. SamantS. AgrawalPublished in: ICWET (2011)
Keyphrases
- gray scale images
- pixel values
- data hiding
- reversible data hiding
- gray scale
- gray level
- secret data
- cover image
- binary images
- image quality
- error diffusion
- color images
- error correction
- spatial domain
- spread spectrum
- grayscale images
- high capacity
- data embedding
- information hiding
- image segmentation
- watermarking technique
- high quality
- machine learning
- jpeg images
- image processing