Reversible data hiding for JPEG images based on improved mapping and frequency ordering.

Yingxuan Chen Junhui He Yunting Xian

Published in: Signal Process. (2022)

Keyphrases

jpeg images
data hiding
reversible data hiding
error correction
information hiding
compression algorithm
visual quality
spatial domain
lossy compression
compressed images
low frequency
discrete cosine transform
denoising
signal processing
dct domain
jpeg compression