S. Manoharan (New Zealand)
Water marking, Steganography, Self-synchronizing codes
Steganography is the art of hiding information so that the hidden messages cannot be easily detected. While cryp tography scrambles messages so that they cannot be under stood, steganographyhides messages so that they cannot be seen. Messages can be hidden in any media. Typical media include digital images, audio, and video. Unfortunately, the hidden message is not resistant to media operations. For example, cropping an image that has a hidden message can result in corrupting the entire message beyond recog nition. This paper proposes a scheme that permits hidden messages to withstand some simple media operations.
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