Content-based image authentication: current status, issues, and challenges |
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Authors: | Shui-Hua Han Chao-Hsien Chu |
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Affiliation: | (1) School of Communication and Information Engineering, Shanghai University, 149 Yanchang Road, Shanghai, 200072, People’s Republic of China |
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Abstract: | With today’s global digital environment, the Internet is readily accessible anytime from everywhere, so does the digital image
manipulation software; thus, digital data is easy to be tampered without notice. Under this circumstance, integrity verification
has become an important issue in the digital world. The aim of this paper is to present an in-depth review and analysis on
the methods of detecting image tampering. We introduce the notion of content-based image authentication and the features required
to design an effective authentication scheme. We review major algorithms and frequently used security mechanisms found in
the open literature. We also analyze and discuss the performance trade-offs and related security issues among existing technologies. |
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