Real-time reversible data hiding with shifting block histogram of pixel differences in encrypted image.
Zhenjun TangShijie XuDengpan YeJinyan WangXianquan ZhangChuanqiang YuPublished in: J. Real Time Image Process. (2019)
Keyphrases
- reversible data hiding
- pixel values
- embedding capacity
- input image
- absolute difference
- image blocks
- gray level
- gray value
- data hiding
- image quality
- image data
- high capacity
- image segmentation
- multiscale
- gray images
- digital images
- test images
- binary images
- edge detection
- original images
- transform domain
- watermarking technique
- high resolution
- visual quality