In this study, photoplethysmogram (PPG) based heart abnormality detection method was
proposed. PPG signals utilized were obtained from MIMIC II Waveform Database, Version 3 …

Nowadays, there is a global change in lifestyle that is moving more toward the use of e-
services and smart devices which necessitate the verification of user identity. Different …

Advancements in semiconductor technology have given the world economical, abundant,
and reliable computing resources which have enabled countless breakthroughs in science …

A photoplethysmogram (PPG) authentication method and device, where it is detected
whether a terminal currently meets a PPG signal pre-collection trigger condition, and …

In the last decade, techniques for artificial intelligence (AI) has advanced tremendously,
which lead to solutions to many problems that have long-troubled us. Such examples …

Abstract Ambient Intelligence (AmI) refers to an environment capable of recognizing and
responding to the presence of different individuals in a seamless, unobtrusive and often …

This study investigates the effectiveness of acceleration plethysmogram (APG) to be applied
as a biometric identification system in different time instances. Currently, most of the study …

As technology evolves, authentication systems tend to maximize its security, while
simultaneously minimizing usability related issues. Security systems based on passwords or …

This chapter presents an overview of biometric systems, with the goal of providing context for
the technology described in the presented work. The principles of biometric recognition, their …

It is important to implement countermeasures against various cyber attacks such as identity
spoofing. A typical countermeasure against the spoofing is an authentication such as …