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Visible noise

The degradation of a cover as a result of embedding information. Visible noise will indicate the existence of hidden information.


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To cause to be an integral part of a surrounding whole. In steganography and watermarking, embedding refers to the process of inserting the hidden message into the cover medium.
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Microsoft’s Object Linking and Embedding technology designed to let applications share functionality through live data exchange and embedded data. Embedded objects are packaged statically within the source application, called the “client;” linked objects launch the “server” applications when instructed by the client application. Linking is the capability to call a program; embedding places data in a foreign program.
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Relies on limitations in the human auditory system by embedding data in a cover audio signal. Using changes in delay and relative amplitude; two types of echos are created, which allows for the encoding of 1s and 0s.
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(1) The method of concealing the existence of a message or data within seemingly innocent covers. (2) A technology used to embed information in audio and graphical material. The audio and graphical materials appear unaltered until a steganography tool is used to reveal the hidden message. The act of embedding messages within another message, commonly used within an image or a WAV file.
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A method of keeping sensitive information confidential by embedding it in irrelevant data.
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