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A data hiding method based on information sharing via PNG images for applications of color image authentication and metadata embedding.
Che-Wei Lee
Wen-Hsiang Tsai
Published in:
Signal Process. (2013)
Keyphrases
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data hiding
information sharing
tamper detection
reversible data hiding
test images
secret data
pixel values
metadata
halftone images
image regions
image data
edge detection
data embedding
gray level images
error correction
jpeg compression
gaussian noise
input image
image features
digital libraries