Photoplethysmography (PPG) is a low-cost, non-invasive, and optical technique used to
detect blood volume changes in the microvascular tissue bed, measured from the skin …

Electrocardiogram (ECG) has extremely discriminative characteristics in the biometric field
and has recently received significant interest as a promising biometric trait. However, ECG …

Electrocardiographic (ECG) signals have been successfully used to perform biometric
recognition in a wide range of applications. However, ECG-based biometric systems are …

Advancements in wireless sensor network technologies have enabled the proliferation of
miniaturized body-worn sensors, capable of long-term pervasive biomedical signal …

The wide diffusion of wearable sensors and mobile devices encouraged the study of
biometric recognition techniques that require a low level of cooperation from users. Among …

Traditional one-time user authentication processes might cause friction and unfavorable
user experience in many widely-used applications. This is a severe problem in particular for …

In recent years, biometrics (eg, fingerprint or face recognition) has replaced traditional
passwords and PINs as a widely used method for user authentication, particularly in …

To enhance the security level of digital information, the biometric authentication method
based on Electrocardiographic (ECG) is gaining increasing attention in a wide range of …

In this paper, we propose a system that enables photoplethysmogram (PPG)-based
authentication by using a smartphone camera. PPG signals are obtained by recording a …

Ensuring the confidentiality of private data stored in our technological devices is a
fundamental aspect for protecting our personal and professional information. Authentication …