Browsing หน่วยงาน by Subject "image steganography"
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(National Institute of Development Administration, 3/6/2022);
The field of steganography deals with the encoding of hidden messages into other data, called the cover, in a manner that makes it non-obvious that a hidden message exists. Though steganography does not necessarily, on its own, encrypt the hidden data beyond deciphering, it can be used as a supplement to encryption, avoiding unnecessary attention from adversaries who may otherwise take additional measures if aware of the secret message. Many types of cover media may be used, ranging from text and formatted text documents, to audio and video, and ...