Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"Biometric Security"”.
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Robust speaker recognition in reverberant condition : toward greater biometric security
… into an increasingly relevant technology for security applications in modern times. The primary challenge for automatic speaker recognition is to deal with the variability of the environments and channels from where the speech was obtained. In previous work, good results have been achieved for …
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Robust speaker recognition in presence of non-trivial environmental noise (toward greater biometric security)
The aim of this thesis is to investigate speaker recognition in the presence of environmental noise, and to develop a robust speaker recognition method. Recently, Speaker Recognition has been the object of considerable research due to its wide use in various areas. Despite major developments in …
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Development of Ensemble Strategies for Generalization in Deepfake Image Detection
… posing significant challenges in image-based biometric security and media authenticity. In this thesis, six diverse facial deepfake image datasets are assembled, and four modern detection models are evaluated in a cross-domain scenario. We observe that individual models fail to generalize to …
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Voice Authenticationa Study Of Polynomial Representation Of Speech Signals
… Voice authentication is an alternative security application to the other biometric security measures such as the use of fingerprints or iris scans. Voice authentication has advantages over the other biometric measures in that it can be utilized remotely, via a device like a telephone. …
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Video-analysis inference automated ECG (VID-ECG): improving video-based heart rate detection and exposing security risks of ECG-based biometric authentication
Many recent biometric authentication methods using heart signals in the form of ECG and its components have been proposed to be used as a unique security key for body area networks (BANs) to authenticate individuals and protect privacy and network security. In this thesis we show how compo- nents …
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Cognitive Security Framework For Heterogeneous Sensor Network Using Swarm Intelligence
… tiny sensors are deployed in environments where security for data or hardware cannot be guaranteed. Due to resource constraints, traditional security schemes cannot be directly applied. Unfortunately, due to minimal or no communication security schemes, the data, link and the sensor node can be …
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Biometric authentication systems for secured e-transactions in Saudi Arabia. An empirical investigation of the factors affecting users' acceptance of fingerprint authentication systems to improve online security for e-commerce and e-government websites in Saudi Arabia.
Security is becoming an increasingly important issue for business, and with it comes the need for appropriate authentication; consequently, it is becoming gradually more important to develop secure e-commerce systems. Fraud via the web, identity theft, and phishing are raising concerns for users …
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Architecting Secure and Adaptive Intelligent Systems for Multidisciplinary Biometric and Mobility Challenges
… della mobilità urbana e dell'identificazione biometrica. Comprende quattro progetti di ricerca integrati, tutti uniti dall'obiettivo comune di migliorare la resilienza operativa e il processo decisionale nel mondo reale attraverso l'intelligenza artificiale avanzata. Il primo filone di questa …
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Decoding Identity Through Text-based Human Micro-expressions: A Novel Approach in Social Behavioral Biometrics
In recent years, Social Behavioral Biometrics (SBB) has gained prominence due to the dramatic changes in the way people socialize in this technologically-advanced era. The reliance on Online Social Networks (OSN) for formal and informal social interactions has become the norm. This thesis …
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Avances en el estudio, diseño y evaluación de sistemas interactivos multimodales en escenarios de seguridad biométrica
… del organismo internacional IBG (International Biometric Group). Los análisis de la información obtenida reflejan algunas relaciones interesantes tales como la que se establece entre la facilidad de uso de las tecnologías y la seguridad percibida por los usuarios. 2. Estudio sobre la percepción …