speaker-authentication

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Speaker Authentication

Author : Qi (Peter) Li
ISBN : 9783642237317
Genre : Technology & Engineering
File Size : 35. 55 MB
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This book focuses on use of voice as a biometric measure for personal authentication. In particular, "Speaker Recognition" covers two approaches in speaker authentication: speaker verification (SV) and verbal information verification (VIV). The SV approach attempts to verify a speaker’s identity based on his/her voice characteristics while the VIV approach validates a speaker’s identity through verification of the content of his/her utterance(s). SV and VIV can be combined for new applications. This is still a new research topic with significant potential applications. The book provides with a broad overview of the recent advances in speaker authentication while giving enough attention to advanced and useful algorithms and techniques. It also provides a step by step introduction to the current state of the speaker authentication technology, from the fundamental concepts to advanced algorithms. We will also present major design methodologies and share our experience in developing real and successful speaker authentication systems. Advanced and useful topics and algorithms are selected with real design examples and evaluation results. Special attention is given to the topics related to improving overall system robustness and performances, such as robust endpoint detection, fast discriminative training theory and algorithms, detection-based decoding, sequential authentication, etc. For example, the sequential authentication was developed based on statistical sequential testing theory. By adding enough subtests, a speaker authentication system can achieve any accuracy requirement. The procedure of designing the sequential authentication will be presented. For any presented technique, we will provide experimental results to validate the usefulness. We will also highlight the important developments in academia, government, and industry, and outline a few open issues. As the methodologies developed in speaker authentication span several diverse fields, the tutorial book provides an introductory forum for a broad spectrum of researchers and developers from different areas to acquire the knowledge and skills to engage in the interdisciplinary fields of user authentication, biometrics, speech and speaker recognition, multimedia, and dynamic pattern recognition.

Voice Identification Research

Author : Michigan. Department of State Police
ISBN : UIUC:30112106680793
Genre : Criminals
File Size : 84. 98 MB
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Fundamentals Of Speaker Recognition

Author : Homayoon Beigi
ISBN : 9780387775920
Genre : Technology & Engineering
File Size : 26. 50 MB
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An emerging technology, Speaker Recognition is becoming well-known for providing voice authentication over the telephone for helpdesks, call centres and other enterprise businesses for business process automation. "Fundamentals of Speaker Recognition" introduces Speaker Identification, Speaker Verification, Speaker (Audio Event) Classification, Speaker Detection, Speaker Tracking and more. The technical problems are rigorously defined, and a complete picture is made of the relevance of the discussed algorithms and their usage in building a comprehensive Speaker Recognition System. Designed as a textbook with examples and exercises at the end of each chapter, "Fundamentals of Speaker Recognition" is suitable for advanced-level students in computer science and engineering, concentrating on biometrics, speech recognition, pattern recognition, signal processing and, specifically, speaker recognition. It is also a valuable reference for developers of commercial technology and for speech scientists. Please click on the link under "Additional Information" to view supplemental information including the Table of Contents and Index.

Project Reports Of The National Institute Of Law Enforcement And Criminal Justice

Author :
ISBN : STANFORD:36105123779311
Genre : Criminal justice, Administration of
File Size : 60. 72 MB
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Parliamentary Debates House Of Representatives

Author : New Zealand. Parliament
ISBN : UCLA:L0107624959
Genre : New Zealand
File Size : 70. 88 MB
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Auditory Speaker Recognition

Author : Roger Brown
ISBN : STANFORD:36105040823689
Genre : Empreintes vocales
File Size : 33. 78 MB
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Information Security

Author :
ISBN : STANFORD:36105127394042
Genre : Computer security
File Size : 65. 88 MB
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Audio And Video Based Biometric Person Authentication

Author :
ISBN : UOM:39015047923076
Genre : Automatic speech recognition
File Size : 64. 3 MB
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Biometric Authentication

Author : Sun Yuan Kung
ISBN : UOM:39015060400374
Genre : Technology & Engineering
File Size : 27. 80 MB
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Three leading researchers bridge the gap between research, design, and deployment, introducing key algorithms as well as practical implementation techniques. They demonstrate how to construct robust information processing systems for biometric authentication in both face and voice recognition systems, and to support data fusion in multimodal systems.

The Effect Of Decreased Frequency Bandwidth On Speaker Identification By Aural And Spectrographic Examination Of Speech Samples

Author : Mark Howard Greenwald
ISBN : MSU:31293100643257
Genre : Voiceprints
File Size : 43. 33 MB
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Bulletin Office Of Research And Engineering Services

Author : University of Kentucky. Office of Research and Engineering Services
ISBN : UIUC:30112007901645
Genre : Engineering
File Size : 74. 48 MB
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Proceedings Of The 1998 Ieee International Conference On Acoustics Speech And Signal Processing

Author : IEEE Signal Processing Society
ISBN : UCSD:31822023044787
Genre : Technology & Engineering
File Size : 69. 39 MB
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Proceedings Of The Midwest Symposium On Circuits And Systems

Author :
ISBN : UIUC:30112008036326
Genre : Electric circuits
File Size : 28. 79 MB
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Behavioral Biometrics

Author : Kenneth Revett
ISBN : 9780470997932
Genre : Computers
File Size : 24. 83 MB
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With the advent of the internet as a medium for performing business transactions, the need for a secure communication channel has never been more paramount. The study of behavioral biometrics - the verification and/or identification of individuals based on the way they provide information to an authentication system - originated from the need for a small footprint, versatile alternative to expensive hardware-based, or physiological, biometrics. As an emerging alternative to these traditional and more well-known physiological biometrics such as fingerprinting or iris scans, behavorial biometrics can offer state-of-the-art solutions to identity management requirements as either a stand-alone system or part of a multi-biometric security system. Whilst there are many existing texts that focus on physiological biometrics or algorithmic approaches deployed in biometrics, Behavioral Biometrics addresses a gap in the existing literature for a text that is solely dedicated to the topic of behavioral biometrics. The author presents a thorough analysis of the latest research into well-known techniques such as signature verification and voice recognition, as well more recently developed and ground-breaking techniques including keyboard/ mouse dynamics, gait analysis, odour analysis and salinity testing, which are ever increasing in reliability; discusses exciting future trends that focus on the brain-computer interface using EEG technology and may one day enable human-machine interaction via brainwave patterns; describes the central applications for the technology within e-commerce and related industries, and provides a number of comprehensive case studies of major implementations that provide the user with a strong sense of the approaches employed in the various subdomains of behavioral biometrics. provides a comprehensive glossary of terms as well as a rich set of references and websites that enable the reader to explore and augment topics as required. Behavioral Biometrics will appeal to graduate and postgraduate students, as well as researchers wishing to explore this fascinating research topic, in areas of biometrics and computer science including classification algorithms, pattern recognition, artificial intelligence & security and digital forensics. In addition, it will serve as a reference for system integrators, CIOs, and related professionals who are charged with implementing security features at their organization.

Multimodal Speaker Authentication Using Nonacoustic Sensors

Author :
ISBN : OCLC:505473865
Genre :
File Size : 74. 28 MB
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Many nonacoustic sensors are now available to augment user authentication. Devices such as the GEMS (glottal electromagnetic micro-power sensor), the EGG (electroglottograph), and the P-mic (physiological mic) all have distinct methods of measuring physical processes associated with speech production. A potential exciting aspect of the application of these sensors is that they are less influenced by acoustic noise than a microphone. A drawback of having many sensors available is the need to develop features and classification technologies appropriate to each sensor. We therefore learn feature extraction based on data. State of the art classification with Gaussian Mixture Models and Support Vector Machines is then applied for multimodal authentication. We apply our techniques to two databases-the Lawrence Livermore GEMS corpus and the DARPA Advanced Speech Encoding Pilot corpus. We show the potential of nonacoustic sensors to increase authentication accuracy in realistic situations.

Computational Methods In Science And Engineering

Author : George Maroulis
ISBN : UCSD:31822036343622
Genre : Computers
File Size : 60. 46 MB
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The aim of ICCMSE 2008 is to bring together computational scientists and engineers from several disciplines in order to share methods, methodologies and ideas. The potential readers are all the scientists with interest in: Computational Mathematics, Theoretical Physics, Computational Physics, Theoretical Chemistry, Computational Chemistry, Mathematical Chemistry, Computational Engineering, Computational Mechanics, Computational Biology and Medicine, Scientific Computation, High Performance Computing, Parallel and Distributed Computing, Visualization, Problem Solving Environments, Software Tools, Advanced Numerical Algorithms, Modelling and Simulation of Complex Systems, Web-based Simulation and Computing, Grid-based Simulation and Computing, Computational Grids, and Computer Science.

Forensic Speaker Recognition

Author : Amy Neustein
ISBN : 1461402638
Genre : Technology & Engineering
File Size : 27. 45 MB
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Forensic Speaker Recognition: Law Enforcement and Counter-Terrorism is an anthology of the research findings of 35 speaker recognition experts from around the world. The volume provides a multidimensional view of the complex science involved in determining whether a suspect’s voice truly matches forensic speech samples, collected by law enforcement and counter-terrorism agencies, that are associated with the commission of a terrorist act or other crimes. While addressing such topics as the challenges of forensic case work, handling speech signal degradation, analyzing features of speaker recognition to optimize voice verification system performance, and designing voice applications that meet the practical needs of law enforcement and counter-terrorism agencies, this material all sounds a common theme: how the rigors of forensic utility are demanding new levels of excellence in all aspects of speaker recognition. The contributors are among the most eminent scientists in speech engineering and signal processing; and their work represents such diverse countries as Switzerland, Sweden, Italy, France, Japan, India and the United States. Forensic Speaker Recognition is a useful book for forensic speech scientists, speech signal processing experts, speech system developers, criminal prosecutors and counter-terrorism intelligence officers and agents.

Proceedings

Author :
ISBN : UCSD:31822004314308
Genre : Electronics in crime prevention
File Size : 83. 74 MB
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Pattern Recognition In Speech And Language Processing

Author : Wu Chou
ISBN : 0203010523
Genre : Technology & Engineering
File Size : 49. 65 MB
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Over the last 20 years, approaches to designing speech and language processing algorithms have moved from methods based on linguistics and speech science to data-driven pattern recognition techniques. These techniques have been the focus of intense, fast-moving research and have contributed to significant advances in this field. Pattern Recognition in Speech and Language Processing offers a systematic, up-to-date presentation of these recent developments. It begins with the fundamentals and recent theoretical advances in pattern recognition, with emphasis on classifier design criteria and optimization procedures. The focus then shifts to the application of these techniques to speech processing, with chapters exploring advances in applying pattern recognition to real speech and audio processing systems. The final section of the book examines topics related to pattern recognition in language processing: topics that represent promising new trends with direct impact on information processing systems for the Web, broadcast news, and other content-rich information resources. Each self-contained chapter includes figures, tables, diagrams, and references. The collective effort of experts at the forefront of the field, Pattern Recognition in Speech and Language Processing offers in-depth, insightful discussions on new developments and contains a wealth of information integral to the further development of human-machine communications.

A Handbook Of Information Technology

Author : Bubu Bhuyan
ISBN : CHI:80566134
Genre : Information technology
File Size : 79. 35 MB
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Information technology (IT) can be collectively described as that used by man to gather, store and retrieve, manipulate and communicate data and information. Today , in the 'Information Age', this takes place over and across vast geographical, demographical, socio-political and economic scopes, and the ceasing of it will choke society, as know it today, to a pre-historic standstill. It is, understandably implemented through various aspects of computing and Electronic Technology. With the growing complexity of the information processing needs throughout fields as diverse as business, science, technology, exploration and entertainment, several issues involving data security, time complexity. Bandwidth and thought put, parallel and alternative computing technology and the technology used in an ever-increasing band of newer types of devices, are posing the most crucial questions to the future of society in general and IT in particular. The book is a collection of articles written by professors, industry persons and researchers if international repute and comprises the latest breakthrough sin the fields of Information Theory and Coding, Information Security, Next Generation Internet technology, Data Mining and Knowledge Management, Mobile Computing and Communication. Bioinformatics, Soft Computing, Multimedia Systems and Communication, Quantum Computing, Image Processing and other areas which together comprise IT. This book is a must read for those seeking to expand their knowledge about various aspects of Information Technology.

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