Steganography in Images

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STEGANOGRAPHY IN IMAGES - annie calpe OVERVIEW Steganography Defined Examples in History Digital Approaches Reasons For Using Digital Images Image Attributes Popular Techniques That Use Images STEGANOGRAPHY DEFINED Greek for “covered writing” “The art and science of writing hidden messages in such a way that no one apart from the intended recipient even knows that a message has been sent.” EXAMPLES IN HISTORY Tattoos on shaved heads Wax-covered tablets Microdots – shrunken pictu
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  STEGANOGRAPHY INIMAGES - annie calpe  OVERVIEW  Steganography Defined  Examples in History  Digital Approaches  Reasons For Using Digital Images  Image Attributes  Popular Techniques That Use Images  STEGANOGRAPHY DEFINED  Greek for “covered writing”    “The art and science of writing hidden messages in such a way that no one apartfrom the intended recipient even knows that a message has been sent.”    EXAMPLES IN HISTORY  Tattoos on shaved heads  Wax-covered tablets  Microdots  – shrunken pictures  Invisible Inks - milk, fruit juice, urine
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