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Sensor-Based Behavioral Biometrics

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 1365

Special Issue Editors


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Guest Editor
Institute of Information and Communication Technologies, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Interests: sensor data processing; identification; data and information fusion; sensor networks; computer networks, biometrics

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Guest Editor
Computer Engineering, University of Pavia, Pavia, Italy
Interests: computer vision; pattern recognition; image processing

Special Issue Information

Dear Colleagues,

Behavioral biometrics is a subfield of the science of personal identification. The main goal is to build a unique pattern of behavior of a certain type of activity of a person by which they can be identified. Usually, the considered activities are physical and cognitive. In the broader sense, however, biosignals can also be added as a reflection of the functioning of certain human organs. Of interest are the individual gait or the manner of walking, gesturing, speed and intonation of speaking and the manner of handling various devices and tools, such as smartphones, keyboards, computer mouse, etc. Among the cognitive ones, we can count the movement of the eyes when perceiving textual information, searching for an object in a scene, searching for mistakes or repetitions, counting certain types of objects, the way of working on the Internet, etc. In the field of biosignals, there are already developments for biometrics based on eye movement, ECG and EEG signals, human breathing, etc.

It is interesting to note that in a number of cases, information concerning individual behavior is already available (usually recorded by the digital device we work with) and only needs to be subjected to additional processing in order to make the identification.

Behavioral biometrics can be seen as a powerful additional means of identification. With the development of various methods of behavioral biometrics, it is expected that in the near future, it will find a place in almost all digital devices and helps prevent different types of fraud.

Dr. Kiril Alexiev
Dr. Virginio Cantoni
Guest Editors

Manuscript Submission Information

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Keywords

  • sensors/sensing
  • biometrics
  • biometric recognition
  • biosignal
  • ECG/EEG/EMG/EOG signal sensing
  • biometric systems

Published Papers (1 paper)

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Research

19 pages, 1537 KiB  
Article
A Perifacial EMG Acquisition System for Facial-Muscle-Movement Recognition
by Jianhang Zhang, Shucheng Huang, Jingting Li, Yan Wang, Zizhao Dong and Su-Jing Wang
Sensors 2023, 23(21), 8758; https://doi.org/10.3390/s23218758 - 27 Oct 2023
Viewed by 946
Abstract
This paper proposes a portable wireless transmission system for the multi-channel acquisition of surface electromyography (EMG) signals. Because EMG signals have great application value in psychotherapy and human–computer interaction, this system is designed to acquire reliable, real-time facial-muscle-movement signals. Electrodes placed on the [...] Read more.
This paper proposes a portable wireless transmission system for the multi-channel acquisition of surface electromyography (EMG) signals. Because EMG signals have great application value in psychotherapy and human–computer interaction, this system is designed to acquire reliable, real-time facial-muscle-movement signals. Electrodes placed on the surface of a facial-muscle source can inhibit facial-muscle movement due to weight, size, etc., and we propose to solve this problem by placing the electrodes at the periphery of the face to acquire the signals. The multi-channel approach allows this system to detect muscle activity in 16 regions simultaneously. Wireless transmission (Wi-Fi) technology is employed to increase the flexibility of portable applications. The sampling rate is 1 KHz and the resolution is 24 bit. To verify the reliability and practicality of this system, we carried out a comparison with a commercial device and achieved a correlation coefficient of more than 70% on the comparison metrics. Next, to test the system’s utility, we placed 16 electrodes around the face for the recognition of five facial movements. Three classifiers, random forest, support vector machine (SVM) and backpropagation neural network (BPNN), were used for the recognition of the five facial movements, in which random forest proved to be practical by achieving a classification accuracy of 91.79%. It is also demonstrated that electrodes placed around the face can still achieve good recognition of facial movements, making the landing of wearable EMG signal-acquisition devices more feasible. Full article
(This article belongs to the Special Issue Sensor-Based Behavioral Biometrics)
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