A reversible data hiding scheme for JPEG images by doubling small quantized AC coefficients.

Xiaozhu Xie Chia-Chen Lin Chin-Chen Chang

Published in: Multim. Tools Appl. (2019)

Keyphrases

jpeg images
dct coefficients
data hiding
discrete cosine transform
jpeg compression
information hiding
compressed domain
image processing
compression algorithm
error correction
watermarking algorithm
low bit rate
wireless channels