Biometric authentication of mobile financial transactions by trusted service managersDate:2021-09-17
Biometric liveness detection based on cross modal fusion
Since new distributed ledger technologies hold out a promise to restructure cross-border flows of people and material resources, they affect globalization and alter transnational spaces. Their capacity to facilitate secure and disintermediated value transfer through crypto-code and smart contracts enables novel forms of remittance transfer, resource management and digital identity verification - and may also generate new vulnerabilities. In this article, we examine the use of emerging blockchain applications in various migration and diaspora related initiatives in the emerging economies of Africa, Asia and Europe. By building on existing social networks of mutual obligation and quasi-ethnic affinities, blockchain technologies may facilitate the ability to enlarge the scope of diasporas and change the nature of belonging, sovereignty, migration and statehood. Through exploring the selective foregrounding of mutuality and materiality in such alternative value transfer systems, we seek to explain the dynamics of trust and agency that these networks generate to extend commitments and loyalties in the transnational space.
To review researcher"s attempts in response to the problem of spoofing and liveness detection, mapping the research overview from the literature survey into a suitable taxonomy, exploring the basic properties of the field, motivation of using liveness detection methods in face recognition, and Problems that may restrain the advantages. We presented a subjected search on face recognition with liveness detection and its synonyms in four main databases: Web of science, Science Direct, Scopus and IEEE Xplore. We believe that these databases are widely inclusive enough to cover the literature. The final number of articles considered is 65 articles. 4 of them where review and survey articles that described a general overview about liveness detection and anti-spoofing methods. Since 2012, and despite of leaving some areas unestablished and needs more attention, researchers tried to keep track of liveness detection in several ways. No matter what their category is, articles concentrated on challenges that faces the full utility of anti-spoofing methods and recommended some solutions to overcome these challenges. In this paper, different types of liveness detection and face anti-spoofing techniques are investigated to keep researchers updated with what is being developed in this field.
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