"Steganography; Cryptography; Neural networks"@en . "Zelinka, Ivan" . "331048" . "978-80-7318-828-3" . "RIV/70883521:28140/09:63507969" . . "Odhalov\u00E1n\u00ED steganografie pomoc\u00ED neuronov\u00FDch s\u00EDt\u00ED"@cs . . . . . "2009-03-25+01:00"^^ . . "4"^^ . . "RIV/70883521:28140/09:63507969!RIV10-MSM-28140___" . . "9"^^ . . "Odhalov\u00E1n\u00ED steganografie pomoc\u00ED neuronov\u00FDch s\u00EDt\u00ED"@cs . "4"^^ . "Univerzita Tom\u00E1\u0161e Bati ve Zl\u00EDn\u011B" . "\u0160enke\u0159\u00EDk, Roman" . "Odhalov\u00E1n\u00ED steganografie pomoc\u00ED neuronov\u00FDch s\u00EDt\u00ED" . "The paper deals with a detection of steganography content in graphical files. Steganography is one of often used method to hide encoded message inside multimedia file. Such advantage is unfortunately used to send very dangerous messages. Therefore is obvious to try to find a suitable method for detection of these hidden codes. This article deals with a detection of non suitable content. Here two programmes for creation of stegoimages were used ? OutGuess and Steghide. Results in this paper show that used model had almost 100 % success in revealing stegoimages."@en . "Holo\u0161ka, Ji\u0159\u00ED" . "28140" . "Steganography Detection by means of Neural Networks"@en . . "Internet, competitiveness and Organisational Security in Knowledge Society" . . . . "Steganography Detection by means of Neural Networks"@en . "\u010Cl\u00E1nek se zab\u00FDv\u00E1 detekc\u00ED steganografick\u00E9ho obsahu v grafick\u00FDch souborech. Steganografie je podp\u016Frn\u00E1 metoda kryptografie, kter\u00E1 pom\u00E1h\u00E1 skr\u00FDvat obsah za\u0161ifrovan\u00FDch zpr\u00E1v uvnit\u0159 obr\u00E1zk\u016F \u010Di vide\u00ED. Ukryt\u00ED zpr\u00E1vy je velmi d\u016Fle\u017Eit\u00E9. Rovn\u011B\u017E je ale tak\u00E9 d\u016Fle\u017Eit\u00E9 um\u011Bt zpr\u00E1vy dek\u00F3dovat, aby tato metoda nemohla b\u00FDt vyu\u017E\u00EDv\u00E1na krimin\u00E1ln\u00EDky v neprosp\u011Bch ostatn\u00EDch. Proto se tento \u010Dl\u00E1nek zab\u00FDv\u00E1 detekc\u00ED mo\u017En\u00E9ho ?nevhodn\u00E9ho? obsahu (tedy tajn\u00FDch informac\u00ED). Vyu\u017E\u00EDvaj\u00ED se neuronov\u00E9 s\u00EDt\u011B v n\u011Bkolika topologi\u00EDch a \u010Dl\u00E1nek obsahuje v\u00FDsledky a t\u00E9m\u011B\u0159 100 procentn\u00ED \u00FAsp\u011Bchy p\u0159i kontrole a spr\u00E1vnou detekci steganografie \u010Di ?\u010Distoty? uvnit\u0159 velk\u00E9ho mno\u017Estv\u00ED obr\u00E1zk\u016F (fotek) p\u0159i pou\u017Eit\u00ED 2 steganografick\u00FDch metod ukryt\u00ED textu ? OutGuess a Steghide." . . . . "Odhalov\u00E1n\u00ED steganografie pomoc\u00ED neuronov\u00FDch s\u00EDt\u00ED" . "Zl\u00EDn" . "Zl\u00EDn" . "P(GA102/09/1680), Z(MSM7088352101)" . . "\u010Cl\u00E1nek se zab\u00FDv\u00E1 detekc\u00ED steganografick\u00E9ho obsahu v grafick\u00FDch souborech. Steganografie je podp\u016Frn\u00E1 metoda kryptografie, kter\u00E1 pom\u00E1h\u00E1 skr\u00FDvat obsah za\u0161ifrovan\u00FDch zpr\u00E1v uvnit\u0159 obr\u00E1zk\u016F \u010Di vide\u00ED. Ukryt\u00ED zpr\u00E1vy je velmi d\u016Fle\u017Eit\u00E9. Rovn\u011B\u017E je ale tak\u00E9 d\u016Fle\u017Eit\u00E9 um\u011Bt zpr\u00E1vy dek\u00F3dovat, aby tato metoda nemohla b\u00FDt vyu\u017E\u00EDv\u00E1na krimin\u00E1ln\u00EDky v neprosp\u011Bch ostatn\u00EDch. Proto se tento \u010Dl\u00E1nek zab\u00FDv\u00E1 detekc\u00ED mo\u017En\u00E9ho ?nevhodn\u00E9ho? obsahu (tedy tajn\u00FDch informac\u00ED). Vyu\u017E\u00EDvaj\u00ED se neuronov\u00E9 s\u00EDt\u011B v n\u011Bkolika topologi\u00EDch a \u010Dl\u00E1nek obsahuje v\u00FDsledky a t\u00E9m\u011B\u0159 100 procentn\u00ED \u00FAsp\u011Bchy p\u0159i kontrole a spr\u00E1vnou detekci steganografie \u010Di ?\u010Distoty? uvnit\u0159 velk\u00E9ho mno\u017Estv\u00ED obr\u00E1zk\u016F (fotek) p\u0159i pou\u017Eit\u00ED 2 steganografick\u00FDch metod ukryt\u00ED textu ? OutGuess a Steghide."@cs . . . "Oplatkov\u00E1, Zuzana" . . . "[F330E15381B5]" .