Security Management White Papers
PKI Based Semi-Fragile Watermark for Visual Content Authentication
Overview Multimedia content owners always endure of copyright protection and ownership verification of their digital assets. Robust watermarking techniques are invented to defeat these problems. However evolution of the watermarks focused different security aspects of multimedia data such as content integrity, data authentication, etc. As a result, fragile watermarking was introduced which is contrary to robust watermarks. Evolution of the fragile watermarks derives a new prospective watermarking concept called semi-fragile watermark which overcomes several limitations of fragile watermarking technique such as fragility for trusted image processing manipulations. This paper propose a new PKI (Public Key Infrastructure) based semi-fragile watermarking technique to authenticate perceptible content (information perceived by Human Visual System) of the digital data (digital images).
| Publisher | Hiroshima University | File Format | |
|---|---|---|---|
| Date Published | October 2008 | ||
| Format | White Papers | ||
| Topics | |||
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