Reversible data hiding with contrast enhancement using adaptive histogram shifting and pixel value ordering.
Haishan ChenJiangqun NiWien HongTung-Shou ChenPublished in: Signal Process. Image Commun. (2016)
Keyphrases
- pixel values
- reversible data hiding
- contrast enhancement
- gray level
- histogram equalization
- image quality
- color restoration
- visual quality
- gray scale
- image enhancement
- image segmentation
- input image
- co occurrence
- cover image
- gray value
- multiscale
- image data
- blurred images
- data hiding
- color images
- visual information
- discrete cosine transform
- high capacity
- secret data