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Advances in Biosignal Sensing and Signal Processing

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

Deadline for manuscript submissions: 20 September 2026 | Viewed by 151

Special Issue Editor

1. Innovation Center for Semiconductor and Digital Future (ICSDF), Mie University, Tsu 514-8507, Japan
2. Department of Management Science and Technology, Graduate School of Engineering, Tohoku University, Sendai 982-0002, Japan
Interests: biosignal processing; biological big data; physiological monitoring; autonomic nervous system; health promotion

Special Issue Information

Dear Colleagues,

Recent advancements in biosignal sensing technologies and signal processing methodologies have substantially expanded the scope of applications in healthcare, biomedical engineering, and human–machine interaction. This Special Issue is dedicated to disseminating high-quality, original research that addresses innovations in the acquisition, processing, and interpretation of physiological signals, including but not limited to electroencephalography (EEG), electrocardiography (ECG), electromyography (EMG), respiratory activity, and multimodal biometric measurements. Particular emphasis will be placed on studies presenting novel sensor architectures, wearable and implantable device designs, and advanced computational algorithms for feature extraction, pattern recognition, and classification. Topics of interest further include noise suppression, motion artifact mitigation, energy-efficient signal acquisition, and real-time analytical frameworks. Contributions integrating biosignal processing with emerging paradigms such as the Internet of Things (IoT), edge computing, and artificial intelligence are especially encouraged, as they hold potential for enabling adaptive and intelligent biomedical systems. Both theoretical developments and applied investigations—spanning simulation, experimental validation, and clinical implementation—are welcome. By bringing together interdisciplinary perspectives, this Special Issue aims to promote the exchange of knowledge, foster collaboration, and accelerate the translation of biosignal sensing and processing innovations into practical, real-world solutions.

Dr. Emi Yuda
Guest Editor

Manuscript Submission Information

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Keywords

  • biosignal sensing
  • signal processing
  • wearable devices
  • physiological monitoring
  • noise reduction
  • machine learning
  • multimodal biometrics
  • edge computing
  • Internet of Things (IoT)
  • real-time processing

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Published Papers (1 paper)

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Research

35 pages, 7833 KB  
Article
Motion Artifacts Removal from Measured Arterial Pulse Signals at Rest: A Generalized SDOF-Model-Based Time–Frequency Method
by Zhili Hao
Sensors 2025, 25(21), 6808; https://doi.org/10.3390/s25216808 - 6 Nov 2025
Abstract
Motion artifacts (MA) are a key factor affecting the accuracy of a measured arterial pulse signal at rest. This paper presents a generalized time–frequency method for MA removal that is built upon a single-degree-of-freedom (SDOF) model of MA, where MA is manifested as [...] Read more.
Motion artifacts (MA) are a key factor affecting the accuracy of a measured arterial pulse signal at rest. This paper presents a generalized time–frequency method for MA removal that is built upon a single-degree-of-freedom (SDOF) model of MA, where MA is manifested as time-varying system parameters (TVSPs) of the SDOF system for the tissue–contact-sensor (TCS) stack between an artery and a sensor. This model distinguishes the effects of MA and respiration on the instant parameters of harmonics in a measured pulse signal. Accordingly, a generalized SDOF-model-based time–frequency (SDOF-TF) method is developed to obtain the instant parameters of each harmonic in a measured pulse signal. These instant parameters are utilized to reconstruct the pulse signal with MA removal and extract heart rate (HR) and respiration parameters. The method is applied to analyze seven measured pulse signals at rest under different physiological conditions using a tactile sensor and a PPG sensor. Some observed differences between these conditions are validated with the related findings in the literature. As compared to instant frequency, the instant initial phase of a harmonic extracts respiration parameters with better accuracy. Since HR variability (HRV) affects arterial pulse waveform (APW), the extracted APW with a constant HR serves better for deriving arterial indices. Full article
(This article belongs to the Special Issue Advances in Biosignal Sensing and Signal Processing)
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