Round Color 2D Symbol with Display Area and Secret Data Area for Business-to-Consumer Applications.

Nobuyuki Teraura Isao Echizen Keiichi Iwamura

Published in: GCCE (2022)

Keyphrases

secret data
data hiding
pixel values
data hiding scheme
color images
grayscale images
color information
color space
data embedding
palette images
secret key
low cost
reversible data embedding
video sequences
pseudorandom
error correction
smart card
image regions
gray level
denoising