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Sensors, Volume 25, Issue 12

June-2 2025 - 264 articles

Cover Story: Gas-sensing technologies play a vital role across diverse fields, ranging from environmental monitoring and industrial process control to medical diagnostics and security applications. The integration of photonic–piezoelectric components is a key factor in offering rugged and portable sensing devices. This research demonstrates a compact optical gas-sensing system integrating silicon nitride waveguide with a custom-designed quartz tuning fork for trace gas detection. The system employs both quartz-enhanced photoacoustic spectroscopy and light-induced thermoelastic spectroscopy techniques, achieving comparable signal-to-noise ratios when detecting 1.6% water vapor concentration. The compact nature of this architecture also opens the way to multiplexed sensing via integrating multiple waveguides and laser sources on a single chip. View this paper
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Articles (264)

  • Article
  • Open Access
1,385 Views
22 Pages

19 June 2025

(1) Background: Detecting long-lie incidents—where individuals remain immobile after a fall—is essential for timely intervention and preventing severe health consequences. However, most existing systems focus only on fall detection, negle...

  • Article
  • Open Access
1 Citations
1,028 Views
14 Pages

A 209 ps Shutter-Time CMOS Image Sensor for Ultra-Fast Diagnosis

  • Houzhi Cai,
  • Zhaoyang Xie,
  • Youlin Ma and
  • Lijuan Xiang

19 June 2025

A conventional microchannel plate framing camera is typically utilized for inertial confinement fusion diagnosis. However, as a vacuum electronic device, it has inherent limitations, such as a complex structure and the inability to achieve single-lin...

  • Article
  • Open Access
2 Citations
783 Views
13 Pages

Comparative Analysis of In-Match Physical Requirements Across National and International Competitive Contexts in Cerebral Palsy Football

  • Juan Francisco Maggiolo,
  • Juan José García-Hernández,
  • Manuel Moya-Ramón and
  • Iván Peña-González

19 June 2025

This study aimed to compare in-match physical and technical requirements of cerebral palsy (CP) football players across different national and international competitive contexts. A total of 79 male outfield players participated in 62 official matches...

  • Article
  • Open Access
1,258 Views
13 Pages

Commercial Hoverboard Reverse Engineering and Repurposing for a Stabilized Platform: A Recyclable Solution for Modular Robotic Bases

  • Antoine Leblanc,
  • Lùka Tricot,
  • Duncan Briquet,
  • Mohamed Aziz Slama and
  • Christophe Delebarre

19 June 2025

Sustainability and resource optimization have spurred interest in giving a second life to used equipment, often discarded after limited use. Within this framework, we conducted a multidisciplinary, final-year engineering project to explore the revers...

  • Article
  • Open Access
1,092 Views
18 Pages

Enhanced AlexNet with Gabor and Local Binary Pattern Features for Improved Facial Emotion Recognition

  • Furkat Safarov,
  • Alpamis Kutlimuratov,
  • Ugiloy Khojamuratova,
  • Akmalbek Abdusalomov and
  • Young-Im Cho

19 June 2025

Facial emotion recognition (FER) is vital for improving human–machine interactions, serving as the foundation for AI systems that integrate cognitive and emotional intelligence. This helps bridge the gap between mechanical processes and human e...

  • Article
  • Open Access
2 Citations
983 Views
16 Pages

Multi-Modal Joint Pulsed Eddy Current Sensor Signal Denoising Method Integrating Inductive Disturbance Mechanism

  • Yun Zuo,
  • Gebiao Hu,
  • Fan Gan,
  • Zhiwu Zeng,
  • Zhichi Lin,
  • Xinxun Wang,
  • Ruiqing Xu,
  • Liang Wen,
  • Shubing Hu and
  • Haihong Le
  • + 2 authors

19 June 2025

Pulsed eddy current (PEC) testing technology has been widely used in the field of non-destructive testing of metal grounding structures due to its wide-band excitation and response characteristics. However, multi-source noise in industrial environmen...

  • Article
  • Open Access
1 Citations
2,214 Views
16 Pages

Microcontroller Implementation of LSTM Neural Networks for Dynamic Hand Gesture Recognition

  • Kevin Di Leo,
  • Giorgio Biagetti,
  • Laura Falaschetti and
  • Paolo Crippa

19 June 2025

Accelerometers are nowadays included in almost any portable or mobile device, including smartphones, smartwatches, wrist-bands, and even smart rings. The data collected from them is therefore an ideal candidate to tackle human motion recognition, as...

  • Article
  • Open Access
1,075 Views
25 Pages

19 June 2025

Embedded system networks are widely deployed across various domains and often perform mission-critical tasks, making it essential for all nodes within the system to be trustworthy. Traditionally, each node is equipped with a discrete Trusted Platform...

  • Article
  • Open Access
1 Citations
813 Views
19 Pages

Res-RBG Facial Expression Recognition in Image Sequences Based on Dual Neural Networks

  • Xiangwei Mou,
  • Yongfu Song,
  • Xiuping Xie,
  • Mingxuan You and
  • Rijun Wang

19 June 2025

Facial expressions involve dynamic changes, and facial expression recognition based on static images struggles to capture the temporal information inherent in these dynamic changes. The resultant degradation in real-world performance critically imped...

  • Article
  • Open Access
6 Citations
3,892 Views
18 Pages

An Improved Segformer for Semantic Segmentation of UAV-Based Mine Restoration Scenes

  • Feng Wang,
  • Lizhuo Zhang,
  • Tao Jiang,
  • Zhuqi Li,
  • Wangyu Wu and
  • Yingchun Kuang

19 June 2025

Mine ecological restoration is a critical process for promoting the sustainable development of resource-dependent regions, yet existing monitoring methods remain limited in accuracy and adaptability. To address challenges such as small-object recogni...

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Sensors - ISSN 1424-8220