20.500.12556/DKUM-80421 Implementacija in primerjava steganografije in metod stegoanalize diplomsko delo Implementation and comparison of steganography and steganalysis methods V diplomskem delu se osredotočimo na popularne metode skrivanja podatkov in nekatere metode odkrivanja podatkov v digitalnih slikah. Podrobno klasificiramo posamezno vejo in podrobneje spoznamo določene metode. Na podlagi nekaterih primerov prav tako izvedemo implementacijo s programskim jezikom Python in na kratko analiziramo in primerjamo implementirane metode. Na podlagi primerjave lahko sklepamo, da so nekatere tehnike skrivanja in odkrivanja podatkov primernejše za določene slikovne formate kot druge, kar smo tudi dokazali s kriteriji za določanje kakovosti slike. Veliko metod steganografije in stegoanalize je tako še vedno v razvoju. S pomočjo različnih raziskav smo našli veliko metod, ki predstavljajo nadgradnjo ali prilagajanje že obstoječih metod, vendar niso vedno najučinkovitejše. This thesis presents some of most popular steganography methods and some of steganalysis methods. We make a classification of steganography and steganalysis methods and we get to know some of them in more detail. The thesis also includes implementetion of some methods in Python, a short analysis and comparison of some of the implemented methods. Therefore we can say, that some of the techniques are better for some image formats than the others. We have proven that with the help of image quality assessment criteria. A lot of steganography and steganalysis methods are still in development. We came across many sources, that write about improvements and adapting of these methods, even though that does not mean that these methods are more efficient. steganografija stegoanaliza skrivanje informacij steganography steganalysis information hiding true true false [M. Kitek] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2021-09-13 11:43:57 2021-10-18 12:42:13 2022-08-09 22:54:44 0000-00-00 00:00:00 2021 0 Maribor 0 Maribor X, 46 str. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 004.5:343.983(043.2) 87061763 UN_Kitek_Maja_2021.pdf UN_Kitek_Maja_2021.pdf 1 DD3D48DCD365E9F13D7624E53C36DCAE 8e3dae8d8fc451c2749f1bc2de617bcde304f8024bd1f9581057e80445dc76f2 9af35d4e-1479-11ec-8a5d-00155d581298 20.500.12556/dkum/733c1b4f-4bb6-407d-adc4-c300ddd1f845 https://dk.um.si/Dokument.php?lang=slv&id=153660 UN_Kitek_Maja_2021.zip UN_Kitek_Maja_2021.zip 1 E4E855B22CDE96DF7A7B590A783D04CF 1ef190d43cdb56c6b9d1af4c0a883964f77891e340c74dd61f9aeaa437383e1b 1b433d71-147a-11ec-8a5d-00155d581298 20.500.12556/dkum/6720fc33-7089-4f59-894d-545c7fe3212e https://dk.um.si/Dokument.php?lang=slv&id=153661 Fakulteta za elektrotehniko, računalništvo in informatiko 0 0 0