Steganography Using Adaptive Pixel Value Differencing(APVD) of Gray Images Through Exclusion of Overflow/Underflow

J. K. Mandal Debashis Das

Published in: CoRR (2012)

Keyphrases

pixel values
gray images
gray level
cover image
secret data
image quality
binary images
data compression
black and white
data hiding
computer vision
median filter
preprocessing step
gray value
low pass
low contrast
gray scale
edge detection
feature extraction