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When seeing isn't believing [multimedia authentication technologies]
Zhu, B.B.; Swanson, M.D.; Tewfik, A.H.;
Signal Processing Magazine, IEEE
Volume 21,
Issue 2,
Mar 2004
Page(s):40
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49
Abstract:
Digital multimedia is ubiquitous today. Multimedia is easily reproduced and modified without any trace of manipulations. In most cases, a human will not be able to judge whether a multimedia signal is authentic by perceptual inspection. In this article we provide a compact yet fairly comprehensive introduction of multimedia authentication (MA) to the general signal processing audience. The article gives a brief discussion on the different MA technologies such as hard authentication, soft authentication, quality-based authentication, content-based authentication, block authentication, and lossless watermarking.
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