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National Repository of Grey Literature

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Testing the Robustness of a Voice Biometrics System against Deepfakes Reš, Jakub ; Firc, Anton (referee) ; Malinka, Kamil (advisor) Tématem této práce je vytvoření metodologie testování odolnosti hlasového biometrického systému vůči deepfakům. Hlavní problém v současné době leží v nedostatečném pokrytí testování proti prezentačním útokům užitím deepfaků ve standardech ISO/IEC. Cílem práce je vyplnění této mezery, vzniklé příchodem technologie deepfaků, navržením metodologie, založené na současných postupech, která se soustředí na pokrytí této problematiky. Řešení navrženého problému začíná studií nejnovějšího stavu oblasti deepfaků a standardních postupů pro testování biometrických systémů. Druhým krokem je navržení a zdokumentování metody testování hlasového biometrického systému. Test byl navržen jako scénář, ve kterém je hlasový biometrický systém Phonexia použit jako nástroj pro vzdálenou verifikaci použitý pro hlas-jako-heslo. Pro účely demonstrace byl použit veřejně online dostupná datová sada. Mimo samotný návrh testu jsem také zavedl nestandardní metriku vyhodnocení pro ukázku možností zaměření na různé typy deepfaků. Po provedení a vyhodnocení testů jsem zformuloval postup do obecné opakovatelné metodologie, obsahující praktiky a doporučení. Přínos této práce leží v zapracování deepfaků do existujících standardních metodologií testování biometrických systémů a tak formování a demonstrování opakovatelné metodologie. Detailed record

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