By Sinjini Mitra, Mikhail Gofman
Biometrics in an information pushed global: developments, applied sciences, and Challenges goals to notify readers concerning the smooth functions of biometrics within the context of a data-driven society, to familiarize them with the wealthy heritage of biometrics, and to supply them with a glimpse into the way forward for biometrics.
The first part of the booklet discusses the basics of biometrics and offers an outline of universal biometric modalities, particularly face, fingerprints, iris, and voice. It additionally discusses the heritage of the sphere, and gives an summary of rising traits and possibilities. the second one component of the ebook introduces readers to a variety of biometric functions.
The subsequent a part of the publication is devoted to the dialogue of case reports of biometric modalities presently used on cellular functions. As smartphones and pill desktops are speedily changing into the dominant client machine structures, biometrics-based authentication is rising as a vital part of defending cellular units opposed to unauthorized entry, whereas allowing new and hugely renowned purposes, akin to safe on-line fee authorization.
The ebook concludes with a dialogue of destiny traits and possibilities within the box of biometrics, in order to pave the way in which for advancing examine within the zone of biometrics, and for the deployment of biometric applied sciences in real-world applications.
The ebook is designed for people drawn to exploring the modern purposes of biometrics, from scholars to researchers and practitioners operating during this box. either undergraduate and graduate scholars enrolled in college-level safety classes also will locate this booklet to be a particularly priceless companion.
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Additional info for Biometrics in a Data Driven World: Trends, Technologies, and Challenges
One reason why HMMs are popular is because they can be trained automatically and are simple and computationally feasible to use . Modern speech recognition systems use various combinations of a number of standard techniques in order to improve results over the basic approaches based on GMMs and HMMs. Neural networks have also been utilized for speech recognition . Speaker recognition also suffers from several challenges, the primary one being background noise and other external factors that potentially affect the quality of the captured voiceprint.
Men and women have different voices, and the main reason for this is that women have in general shorter vocal tracts than men. If one is stressed, he or she tends to speak faster, and if he or she is not tired, the speed tends to decrease. Finally, regional dialects involve widely different types of pronunciation, vocabulary, and grammar, which vary with the geographical area where the speaker comes from. Social dialects are distinguished by characteristics of pronunciation, vocabulary, and grammar according to the social group of the speaker.
5. 2 OVERVIEW OF BIOMETRICS In this section, we start with a brief description of how the authentication process works, followed by the limitations of traditional approaches like passwords and magnetic cards, and introductions to the four commonly used biometric modalities, namely, face, fingerprints, iris, and voiceprint along with an outline of multimodal biometrics. 1 Process of Biometric Authentication There are two types of authentication problems: (1) identification: Who am I? and (2) verification: Am I whom I claim to be?