Reversible Data Hiding Using Controlled Contrast Enhancement and Integer Wavelet Transform.

Guangyong Gao Yun-Qing Shi

Published in: IEEE Signal Process. Lett. (2015)

Keyphrases

contrast enhancement
reversible data hiding
visual quality
cover image
data hiding
image enhancement
gray level
lossless compression

lossy compression
pixel values
high capacity
color images
image quality
multiscale
human visual system

bit rate
high frequency
prediction algorithm
spatial domain
reconstructed image
discrete wavelet transform
error concealment

feature space
pattern recognition
discrete cosine transform
error diffusion
jpeg compression
error correction
gray scale