Anamorphosis is a technique in which an image, or the production of an image, appears distorted unless it is viewed from a special angle or with a special instrument. This is a rather obscure form of steganography, but it has been used in the past and deserves mention. The word anamorphosis is Greek and means "change shape." It is meant to imply a transformation the viewer effects by shifting his or her perspective (Figure 2.2).

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Figure 2.2

Investigator's Guide to Steganography
Investigators Guide to Steganography
ISBN: 0849324335
EAN: 2147483647
Year: 2003
Pages: 220

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