Autor: Safaverdi, H. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Person verification based on keystroke dynamics
Autorzy:: Doroz, R.
Porwik, P.
Safaverdi, H.
Powiązania:: https://bibliotekanauki.pl/articles/334042.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: keystroke dynamics
ensemble of classifiers
biometrics
dynamika pisania na klawiaturze
zespół klasyfikatorów
biometria
Opis:: This paper presents a new multilayer ensemble of classifiers for users verification who use computer keyboard. The special keyboard extracts the key pressure and latency between keyboard keys pressed during password entered. When user is typing password the system creates a pattern based on time and key pressure. For users verification group of classifiers have been proposed. It allows to obtain the higher accuracy level compared to alternative techniques. The efficiency of the proposed method has been confirmed in the experiments carried out.
Źródło:: Journal of Medical Informatics & Technologies; 2015, 24; 39-44
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Method of signature recognition with the use of the complex features
Autorzy:: Doroz, R.
Pałys, M.
Orczyk, T.
Safaverdi, H.
Powiązania:: https://bibliotekanauki.pl/articles/333247.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: biometrics
signature recognition
complex features
biometria
rozpoznawanie podpisu
funkcje złożone
Opis:: In this paper a new method of handwritten signatures verification has been proposed. This method, for each signature, creates complex features which are describing this signature. These features are based on dependencies analysis between dynamic features registered by tablets. These complex features are then used to create vectors describing the signature. Elements of these vectors are calculated using measures proposed in this work. The similarity between signatures is assessed by determining the similarity of vectors in the compared signatures. Research, whose results will be presented in the further part of this work, have shown a high efficiency of verification using proposed method.
Źródło:: Journal of Medical Informatics & Technologies; 2014, 23; 155-162
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Hybrid verification method based on finger-knuckle analysis and keystroke dynamics
Autorzy:: Wesolowski, T. E.
Safaverdi, H.
Doroz, R.
Wrobel, K.
Powiązania:: https://bibliotekanauki.pl/articles/333719.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: user verification
keystroke dynamics
finger-knuckle analysis
weryfikacja użytkownika
dynamika pisania na klawiaturze
analiza palców
Opis:: The increasing number of personal data leaks becomes one of the most important security issues hence the need to develop modern computer user verification methods. In the article, a potential of biometric methods fusion for continuous user verification was assessed. A hybrid approach for user verification based on fusion of keystroke dynamics and knuckle images analysis was presented. Verification is performed by a classification module where an ensemble classifier was used to verify the identity of a user. A proposed classifier works on a database which comprises of knuckle images and keyboard events for keystroke dynamics. The proposed approach was tested experimentally. The obtained results confirm that the proposed hybrid approach performs better than methods based on single biometric feature hence the introduced method can be used for increasing a protection level of computer resources against forgers and impostors. The paper presents results of preliminary research conducted to assess the potential of biometric methods fusion.
Źródło:: Journal of Medical Informatics & Technologies; 2017, 26; 26-36
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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