Relevant bibliographies by topics / Multibiometric / Dissertations / Theses
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Dissertations / Theses on the topic 'Multibiometric'

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Published: 14 March 2023

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1

Dhamala, Pushpa. "Multibiometric Systems." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for telematikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18895.

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2

Sepasian, Mojtaba. "Multibiometric security in wireless communication systems." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/5081.

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This thesis has aimed to explore an application of Multibiometrics to secured wireless communications. The medium of study for this purpose included Wi-Fi, 3G, and WiMAX, over which simulations and experimental studies were carried out to assess the performance. In specific, restriction of access to authorized users only is provided by a technique referred to hereafter as multibiometric cryptosystem. In brief, the system is built upon a complete challenge/response methodology in order to obtain a high level of security on the basis of user identification by fingerprint and further confirmation
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3

Nandakumar, Karthik. "Multibiometric systems fusion strategies and template security /." Diss., Connect to online resource - MSU authorized users, 2008.

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Thesis (Ph. D.)--Michigan State University. Dept. of Computer Science and Engineering, 2008.<br>Title from PDF t.p. (viewed on Mar. 30, 2009) Includes bibliographical references (p. 210-228). Also issued in print.
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4

Smiley, Garrett. "Investigating the Role of Multibiometric Authentication on Professional Certification E-examination." NSUWorks, 2013. http://nsuworks.nova.edu/gscis_etd/307.

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E-learning has grown to such an extent that paper-based testing is being replaced by computer-based testing otherwise known as e-exams. Because these e-exams can be delivered outside of the traditional proctored environment, additional authentication measures must be employed in order to offer similar authentication assurance as found in proctored, paper-based testing. This dissertation addressed the need for valid authentication in e-learning systems, in e-examinations in particular, and especially in professional certification e-examinations. Furthermore, this dissertation proposed a more ro
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5

Janečka, Petr. "Multimodální biometrický systém kombinující duhovku a sítnici." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-234910.

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This diploma thesis focuses on multibiometric systems, specifically on biometric fusion. The thesis describes eye biometrics, i.e. recognition based on retina and iris. The key part consists of design and implementation specification of a biometric system based on retina and iris recognition.
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6

Giulia, Droandi. "Secure Processing of Biometric Signals in Malicious Setting." Doctoral thesis, Università di Siena, 2018. http://hdl.handle.net/11365/1061228.

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In the digital and interconnected world we live in, establishing the identity of any individual is a pressing need. Home banking, on line shopping, and social care web sites are only few examples of services where proof of identity is fundamental. Such a process can be based on "what you know" (i.g. a password), on"what you posses" (i.g. the key of a house or an ID card) or on "what you are"(ID-based, i.g. biometrics). In this thesis we focus on biometrics. Biometric recognition, or simply biometrics, refers to ``the automated recognition of individuals based on behavioral and biological ch
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7

Vertamatti, Rodolfo. "Assimetria humana no reconhecimento multibiométrico." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3142/tde-16032012-151923/.

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A combinação de fontes biométricas não redundantes da multibiometria supera a precisão de cada fonte individual (monobiometria). Além do mais, dois problemas em biometria, ruído e ataques de usurpadores, podem ser minimizados pelo uso de múltiplos sensores e biometria multimodal. Entretanto, se as similaridades estão em todos traços biométricos, como em gêmeos monozigotos (MZ), o processamento de múltiplas fontes não melhora a performance. Para distinguir extrema similitude, influências epigenéticas e ambientais são mais importantes do que o DNA herdado. Esta tese examina a plasticidade fenotí
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8

Falguera, Fernanda Pereira Sartori [UNESP]. "Fusão de métodos baseados em minúcias e em cristas para reconhecimento de impressões digitais." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/98675.

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Made available in DSpace on 2014-06-11T19:29:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-07-04Bitstream added on 2014-06-13T19:38:57Z : No. of bitstreams: 1 falguera_fps_me_sjrp.pdf: 3832818 bytes, checksum: 1ca4e6b68ff66693475c6e5caed03e88 (MD5)<br>Biometria refere-se ao uso de características físicas (impressões digitais, íris, retina) ou comportamentais (assinatura, voz) para a identificação humana. As impressões digitais são formadas por cristas e minúcias. As cristas são linhas distribuídas paralelamente com uma orientação e um espaçamento característico e as minúcias repr
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9

Nassar, Alaa S. N. "A Hybrid Multibiometric System for Personal Identification Based on Face and Iris Traits. The Development of an automated computer system for the identification of humans by integrating facial and iris features using Localization, Feature Extraction, Handcrafted and Deep learning Techniques." Thesis, University of Bradford, 2018. http://hdl.handle.net/10454/16917.

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Multimodal biometric systems have been widely applied in many real-world applications due to its ability to deal with a number of significant limitations of unimodal biometric systems, including sensitivity to noise, population coverage, intra-class variability, non-universality, and vulnerability to spoofing. This PhD thesis is focused on the combination of both the face and the left and right irises, in a unified hybrid multimodal biometric identification system using different fusion approaches at the score and rank level. Firstly, the facial features are extracted using a novel multimodal
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10

Kisel, Andrej. "Asmens identifikavimas pagal pirštų atspaudus ir balsą." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20101230_093653-59895.

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Penkiose disertacijos darbo dalyse nagrinėjamos asmens identifikavimo pagal pirštų atspaudus ir balsą problemos ir siūlomi jų sprendimai. Pirštų atspaudų požymių išskyrimo algoritmų kokybės įvertinimo problemą siūloma spręsti panaudojant sintezuotus pirštų atspaudus. Darbe siūlomos žinomo pirštų atpaudų sintezės algoritmo modifikacijos, kurios leidžia sukurti piršto atspaudo vaizdą su iš anksto nustatytomis charakteristikomis ir požymiais bei pagreitina sintezės procesą. Pirštų atspaudų požymių palyginimo problemos yra aptartos ir naujas palyginimo algoritmas yra siūlomas deformuotų pirštų pal
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11

Chiachia, Giovani [UNESP]. "Improving face recognition with multispectral fusion and support vector machines." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/98661.

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Made available in DSpace on 2014-06-11T19:29:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-06-19Bitstream added on 2014-06-13T18:07:45Z : No. of bitstreams: 1 chiachia_g_me_sjrp.pdf: 1197775 bytes, checksum: a782f5b01605aa2a8b8bb080a56b3cad (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O reconhecimento facial é uma das principais formas de identificação humana. Apesar das pesquisas em reconhecimento facial automático terem crescido substancialmente ao longo dos últimos 35 anos, identificar pessoas a partir da face continua sendo um desafio para a
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12

Nallagatla, Vishnu Priya. "Sequential decision fusion of multibiometrics applied to text-dependent speaker verification for controlled errors." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/63348/1/Vishnu_Nallagatla_Thesis.pdf.

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Reliability of the performance of biometric identity verification systems remains a significant challenge. Individual biometric samples of the same person (identity class) are not identical at each presentation and performance degradation arises from intra-class variability and inter-class similarity. These limitations lead to false accepts and false rejects that are dependent. It is therefore difficult to reduce the rate of one type of error without increasing the other. The focus of this dissertation is to investigate a method based on classifier fusion techniques to better control the trade
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13

Junior, Jozias Rolim de Araújo. "Reconhecimento multibiométrico baseado em imagens de face parcialmente ocluídas." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/100/100131/tde-24122018-011508/.

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Com o avanço da tecnologia, as estratégias tradicionais para identificação de pessoas se tornaram mais suscetíveis a falhas. De forma a superar essas dificuldades algumas abordagens vêm sendo propostas na literatura. Dentre estas abordagens destaca-se a Biometria. O campo da Biometria abarca uma grande variedade de tecnologias usadas para identificar ou verificar a identidade de uma pessoa por meio da mensuração e análise de aspectos físicos e/ou comportamentais do ser humano. Em função disso, a biometria tem um amplo campo de aplicações em sistemas que exigem uma identificação segura de seus
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14

Spadaccini, Andrea. "Innovative Traits, Algorithms and Application Scenarios for Mono-multimodal Biometric Recognition." Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1096.

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Identity verification is one of the most common and important processes in our daily lives. For centuries, humans have relied on the visual appearance of their peers - or other distinctive traits - to recognize them. Currently, most of the traditional authentication methods infer one s identity by either verifying the knowledge of a shared secret (i.e., password) or the possession of a given object (i.e., token); both methods are sub-optimal, since they do not directly verify the person s identity, but an alternate and less rich representation that could also very easily stolen or inadvertentl
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15

Smith, Albornoz Felipe Eduardo. "Evaluación de estrategias de fusión para un sistema de identificación de personas multimodal utilizando imágenes de rostro y zona periocular." Tesis, Universidad de Chile, 2015. http://repositorio.uchile.cl/handle/2250/136244.

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Ingeniero Civil Eléctrico<br>La biometría corresponde al estudio de medidas en base a diferentes características humanas, tales como huellas digitales, iris, rostro y voz, entre otros. Un gran campo de aplicación de esta corresponde al reconocimiento de rostro para seguridad y control de identidad. Recientemente, se han realizado estudios que indican que la zona peri-ocular, segmento que rodea al ojo, puede ser usado en un sistema de reconocimiento con buenos resultados. Este trabajo de título propone como objetivo estudiar la fusión de información entre dos sistemas de reconocimiento, bas
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16

Kisel, Andrej. "Person Identification by Fingerprints and Voice." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20101230_093643-05320.

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This dissertation focuses on person identification problems and proposes solutions to overcome those problems. First part is about fingerprint features extraction algorithm performance evaluation. Modifications to a known synthesis algorithm are proposed to make it fast and suitable for performance evaluation. Matching of deformed fingerprints is discussed in the second part of the work. New fingerprint matching algorithm that uses local structures and does not perform fingerprint alignment is proposed to match deformed fingerprints. The use of group delay features of linear prediction model f
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17

Chiachia, Giovani. "Improving face recognition with multispectral fusion and support vector machines /." São José do Rio Preto : [s.n.], 2009. http://hdl.handle.net/11449/98661.

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Orientador: Aparecido Nilceu Marana<br>Banca: Roberto Marcondes Cesar Junior<br>Banca: Ivan Rizzo Guilherme<br>Resumo: O reconhecimento facial é uma das principais formas de identificação humana. Apesar das pesquisas em reconhecimento facial automático terem crescido substancialmente ao longo dos últimos 35 anos, identificar pessoas a partir da face continua sendo um desafio para as áreas de Visão Computacional e Reconhecimento de Padrões. Em função dos cenários variarem desde a identificação a partir de fotografias até o reconhecimento baseado em vídeos sem nenhum tipo de controle ao serem gr
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18

Falguera, Fernanda Pereira Sartori. "Fusão de métodos baseados em minúcias e em cristas para reconhecimento de impressões digitais /." São José do Rio Preto : [s.n.], 2008. http://hdl.handle.net/11449/98675.

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Orientador: Aparecido Nilceu Marana<br>Banca: Fátima de Lourdes dos Santos Nunes Marques<br>Banca: Marcos Antônio Cavenaghi<br>Resumo: Biometria refere-se ao uso de características físicas (impressões digitais, íris, retina) ou comportamentais (assinatura, voz) para a identificação humana. As impressões digitais são formadas por cristas e minúcias. As cristas são linhas distribuídas paralelamente com uma orientação e um espaçamento característico e as minúcias representam os vários modos pelos quais uma crista pode se tornar descontínua. Graças a sua universalidade, unicidade e permanência, as
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19

Oliveira, Adriana Esmeraldo de. "API de Segurança e Armazenamento de uma Arquitetura Multibiométrica para Controle de Acesso com Autenticação Contínua." Universidade Federal da Paraí­ba, 2011. http://tede.biblioteca.ufpb.br:8080/handle/tede/6058.

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Made available in DSpace on 2015-05-14T12:36:30Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 4594295 bytes, checksum: bd4f4df655903b796eb6cf79a5060ded (MD5) Previous issue date: 2011-09-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>A biometric system that employs one single biometric characteristic is constrained. This limitation can be reduced by fusing the information presented by multiple sources. A system that consolidates the evidence presented by multiple biometric sources is known as a multibiometric system. In such a context, this work proposes the security a
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Marasco, Emanuela. "Secure Multibiometric Systems." Tesi di dottorato, 2010. http://www.fedoa.unina.it/8413/1/Marasco_Emanuela.pdf.

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Although the market for biometric technologies is expanding, the existing biometric systems present still some issues that the research community has to address. In particular, in adverse environmental conditions (e.g., low quality biometric signals), where the error rates increase, it is necessary to create more robust and dependable systems. In the literature on biometrics, the integration of multiple biometric sources has been successfully used to improve the recognition accuracy of the unimodal biometric systems. Multibiometric systems, by exploiting more information, such as different b
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