More secure lossless visible watermarking by DCT.

Yih-Kai Lin Cheng-Hsing Yang Jinn-Tsong Tsai

Published in: Multim. Tools Appl. (2018)

Keyphrases

image compression
discrete cosine transform
key management
data embedding
compression scheme
transform domain
security requirements
dct coefficients
lossy compression
lossless coding
image quality
image coding
security analysis
security protocols
authentication protocol
entropy coding