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Image authentication and tamper localization based on relative difference between DCT coefficient and its estimated value.
Wenjia Ding
Yi Xie
Yulin Wang
Published in:
Multim. Tools Appl. (2019)
Keyphrases
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digital images
image authentication
jpeg compression
digital watermarking
copyright protection
tamper detection
public key
image content
semi fragile watermarking
watermarking scheme
watermarking algorithm
authentication scheme
image database
image quality
digital signature
semi fragile