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The deliberate concealment of data within other data, as by embedding digitized text in a digitized image.

[New Latin steganographia, cryptography, cipher : Greek steganos, covered (from stegein, to cover; see (s)teg- in Indo-European roots) + -graphiā, -graphy.]

steg′a·no·graph′ic (-nə-grăf′ĭk) adj.


the practice of concealing messages in such a way that only the sender and the recipient know that there is a message


Archaic. the use of a secret language or code; cryptography. — steganographer, n.
See also: Language
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.steganography - act of writing in code or cipher
committal to writing, writing - the activity of putting something in written form; "she did the thinking while he did the writing"
encoding, encryption - the activity of converting data or information into code
recoding - converting from one code to another
decipherment, decoding, decryption - the activity of making clear or converting from code into plain text; "a secret key or password is required for decryption"
References in periodicals archive ?
The 2D Gabor filters can describe the image texture characteristics from different scales and orientations, so the proposed feature GH (Gabor Histogram) improve the detection accuracy for content-adaptive JPEG steganograpy which often constrains the embedding changes to complex textures.
The root of watermarking as an information hiding technique can be traced to ancient Greece as Steganograpy [1], however the science of watermarking is a modern subject and it was only developed in recent years.
The embedding effect combining with the cost function to forming an adaptive steganograpy is shown in Fig.