A data hiding scheme using pixel value differencing and improving exploiting modification directions.

Shu-Yuan Shen Li-Hong Huang

Published in: Comput. Secur. (2015)

Keyphrases

pixel values
data hiding scheme
secret data
image quality
data hiding
gray level
cover image
secret key
high robustness
color images
data embedding
background subtraction
smart card
error correction
grayscale images