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Sensors, Volume 24, Issue 21

2024 November-1 - 328 articles

Cover Story: This study delves into robotic manipulation techniques that leverage environmental contact to achieve higher precision in the performing of tasks. By exploring inverse kinematics and computationally efficient quadratic programming, which optimizes movement using forward kinematics, the research addresses the challenge of maintaining control accuracy. Geometrical methods are also examined to facilitate simpler assembly and control. The approaches were implemented on a physical robotic platform, allowing for performance evaluations in real-time. The findings offer practical insights into how environmental interaction can be strategically employed to enhance robotic capabilities in dynamic conditions. View this paper
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Articles (328)

  • Communication
  • Open Access
1 Citations
1,963 Views
10 Pages

From Fiber Layout to the Sensor: Preparation Methods as Key Factors for High-Quality Coupled-Core-Fiber Sensors

  • F. Lindner,
  • J. Bierlich,
  • M. Alonso-Murias,
  • D. Maldonado-Hurtado,
  • J. A. Flores-Bravo,
  • S. Sales,
  • J. Villatoro and
  • K. Wondraczek

30 October 2024

During recent years, the optical-fiber-based simultaneous sensing of strain and temperature has attracted increased interest for different applications, e.g., in medicine, architecture, and aerospace. Specialized fiber layouts further enlarge the fie...

(This article belongs to the Special Issue Advanced Optics and Photonics Technologies for Sensing Applications)
  • Article
  • Open Access
4 Citations
2,321 Views
16 Pages

VR-Aided Ankle Rehabilitation Decision-Making Based on Convolutional Gated Recurrent Neural Network

  • Hu Zhang,
  • Yujia Liao,
  • Chang Zhu,
  • Wei Meng,
  • Quan Liu and
  • Sheng Q. Xie

30 October 2024

Traditional rehabilitation training for stroke patients with ankle joint issues typically relies on the expertise of physicians. However, when confronted with complex challenges, such as online decision-making or assessing rehabilitation progress, ev...

(This article belongs to the Special Issue Sensing and Signal Processing Technologies for Outpatient Monitoring and Rehabilitation)
  • Article
  • Open Access
4 Citations
2,786 Views
19 Pages

30 October 2024

A new estimation strategy on locations of two-dimensional target scattering centers for radar target recognition is developed by using multiple high-resolution range profiles (HRRPs). Based on the range information contained in multiple HRRPs obtaine...

(This article belongs to the Special Issue Radar Target Detection, Imaging and Recognition)
  • Article
  • Open Access
7 Citations
2,504 Views
13 Pages

30 October 2024

This study aimed to evaluate changes in muscle contractile properties during a training microcycle in semi-professional female football players and explore their relationship with training load variables. Nineteen players (age: 23.9 ± 3.9 year...

(This article belongs to the Special Issue Sensors and Artificial Intelligence for Analyzing Human Behavior in Sports and Physical Activity)
  • Article
  • Open Access
12 Citations
4,590 Views
19 Pages

Real-Time Pipeline Fault Detection in Water Distribution Networks Using You Only Look Once v8

  • Goodnews Michael,
  • Essa Q. Shahra,
  • Shadi Basurra,
  • Wenyan Wu and
  • Waheb A. Jabbar

30 October 2024

Detecting faulty pipelines in water management systems is crucial for ensuring a reliable supply of clean water. Traditional inspection methods are often time-consuming, costly, and prone to errors. This study introduces an AI-based model utilizing i...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
3 Citations
2,439 Views
14 Pages

A Safe Fiber-Optic-Sensor-Assisted Industrial Microwave-Heating System

  • Kivilcim Yüksel,
  • Oguz Deniz Merdin,
  • Damien Kinet,
  • Murat Merdin,
  • Corentin Guyot and
  • Christophe Caucheteur

30 October 2024

Industrial microwave-heating systems are pivotal in various sectors, including food processing and materials manufacturing, where precise temperature control and safety are critical. Conventional systems often struggle with uneven heat distribution a...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
6 Citations
3,505 Views
16 Pages

Design of a Novel SiP Integrated RF Front-End Module Based on SOI Switch and SAW Filter

  • Xuanhe Wei,
  • Youming Miao,
  • Xiao Jin,
  • Tian Hong Loh and
  • Gui Liu

30 October 2024

This paper proposes a novel System-in-Package (SiP) integrated architecture that incorporates Silicon-On-Insulator (SOI) switches and Surface Acoustic Wave (SAW) filters within the chip, aiming to fulfill the demands for miniaturization and multi-fun...

(This article belongs to the Special Issue Advanced Technologies and Solutions for Modern Communication and Sensing Systems)
  • Article
  • Open Access
6 Citations
3,622 Views
13 Pages

30 October 2024

Smart clothes equipped with flexible sensing systems provide a comfortable means to track health status in real time. Although these sensors are flexible and small, the core signal-processing units still rely on a conventional printed circuit board (...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
8 Citations
1,253 Views
14 Pages

30 October 2024

Broadband spectral measurements of the ballistic transmission of scattering samples are challenging. The presented work shows an approach that includes a broadband system and an automated adjustment unit for compensation of angular distortions caused...

(This article belongs to the Special Issue Advances in Optical Sensing, Instrumentation and Systems: 2nd Edition)
  • Article
  • Open Access
10 Citations
4,745 Views
22 Pages

A Cloud Infrastructure for Health Monitoring in Emergency Response Scenarios

  • Alessandro Orro,
  • Gian Angelo Geminiani,
  • Francesco Sicurello,
  • Marcello Modica,
  • Francesco Pegreffi,
  • Luca Neri,
  • Antonio Augello and
  • Matteo Botteghi

30 October 2024

Wearable devices have a significant impact on society, and recent advancements in modern sensor technologies are opening up new possibilities for healthcare applications. Continuous vital sign monitoring using Internet of Things solutions can be a cr...

(This article belongs to the Special Issue Body Sensor Networks and Wearables for Health Monitoring)
  • Article
  • Open Access
1,310 Views
18 Pages

Lineshape of Amplitude-Modulated Stimulated Raman Spectra

  • Marco Lamperti,
  • Lucile Rutkowski,
  • Guglielmo Vesco,
  • Luca Moretti,
  • Davide Gatti,
  • Giulio Cerullo,
  • Dario Polli and
  • Marco Marangoni

30 October 2024

The amplitude modulation of a pump field and the phase-sensitive detection of a pump-induced intensity change of a probe field encompass a common practice in nonlinear spectroscopies to enhance the detection sensitivity. A drawback of this approach a...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
1 Citations
1,499 Views
13 Pages

30 October 2024

To solve the poor performance or even failure of the cross-spectrum (CS) method in hydroacoustic weak-target passive velocimetry, a sparse Bayesian learning cross-spectrum method (SBL-CS), combining phase compensation with sparse Bayesian learning (S...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
3 Citations
3,093 Views
24 Pages

Adaptive FPGA-Based Accelerators for Human–Robot Interaction in Indoor Environments

  • Mangali Sravanthi,
  • Sravan Kumar Gunturi,
  • Mangali Chinna Chinnaiah,
  • Siew-Kei Lam,
  • G. Divya Vani,
  • Mudasar Basha,
  • Narambhatla Janardhan,
  • Dodde Hari Krishna and
  • Sanjay Dubey

30 October 2024

This study addresses the challenges of human–robot interactions in real-time environments with adaptive field-programmable gate array (FPGA)-based accelerators. Predicting human posture in indoor environments in confined areas is a significant...

(This article belongs to the Special Issue Deep Learning for Perception and Recognition: Method and Applications)
  • Article
  • Open Access
2,001 Views
20 Pages

Modeling and Evaluation of Penetration Process Based on 3D Mechanical Simulation

  • Xiaohan Chen,
  • Huiying Gong,
  • Bin Yang,
  • Zengshuo Wang,
  • Yaowei Liu,
  • Lu Zhou,
  • Xin Zhao and
  • Mingzhu Sun

30 October 2024

In biological micromanipulation, cell penetration is a typical procedure that precedes cell injection or oocyte enucleation. During this procedure, cells usually undergo significant deformation, which leads to cell damage. In this paper, we focus on...

(This article belongs to the Section Biosensors)
  • Feature Paper
  • Article
  • Open Access
15 Citations
2,876 Views
18 Pages

30 October 2024

Vehicle logo detection (VLD) is a critical component of intelligent transportation systems (ITS), particularly for vehicle identification and management in dynamic traffic environments. However, traditional object detection methods are often constrai...

(This article belongs to the Special Issue Integration of Sensor Technologies and Artificial Intelligence Strategies for Autonomous Vehicles and Intelligent Transportation Systems)
  • Article
  • Open Access
4 Citations
2,580 Views
26 Pages

Exploring the Influence of Tropical Cyclones on Regional Air Quality Using Multimodal Deep Learning Techniques

  • Muhammad Waqar Younis,
  • Saritha,
  • Bhavya Kallapu,
  • Rama Moorthy Hejamadi,
  • Jeny Jijo,
  • Raghunandan Kemmannu Ramesh,
  • Muhammad Aslam and
  • Syeda Fizzah Jilani

30 October 2024

Tropical cyclones (TC) are dynamic atmospheric phenomena featuring extreme low-pressure systems and powerful winds, known for their devastating impacts on weather and the environment. The main purpose of this paper is to consider the subtle involveme...

(This article belongs to the Special Issue Sensors and Extreme Environments)
  • Article
  • Open Access
8 Citations
2,850 Views
15 Pages

High-Precision and Lightweight Model for Rapid Safety Helmet Detection

  • Xuejun Jia,
  • Xiaoxiong Zhou,
  • Chunyi Su,
  • Zhihan Shi,
  • Xiaodong Lv,
  • Chao Lu and
  • Guangming Zhang

30 October 2024

This paper presents significant improvements in the accuracy and computational efficiency of safety helmet detection within industrial environments through the optimization of the you only look once version 5 small (YOLOv5s) model structure and the e...

(This article belongs to the Special Issue Novel Sensors and Sensing Technology Used for Empowering High-End Equipment Structure)
  • Article
  • Open Access
10 Citations
4,341 Views
17 Pages

30 October 2024

With the proliferation of Internet of Things (IoT) devices and edge nodes, edge computing has taken on much of the real-time data processing and low-latency response tasks which were previously managed by cloud computing. However, edge computing ofte...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
1 Citations
2,565 Views
15 Pages

Radiofrequency Enhancer to Recover Signal Dropouts in 7 Tesla Diffusion MRI

  • Varun Subramaniam,
  • Andrew Frankini,
  • Ameen Al Qadi,
  • Mackenzie T. Herb,
  • Gaurav Verma,
  • Bradley N. Delman,
  • Priti Balchandani and
  • Akbar Alipour

30 October 2024

Diffusion magnetic resonance imaging (dMRI) allows for a non-invasive visualization and quantitative assessment of white matter architecture in the brain by characterizing restrictions on the random motion of water molecules. Ultra-high field MRI sca...

(This article belongs to the Special Issue Sensors in Magnetic Resonance Imaging)
  • Article
  • Open Access
12 Citations
7,502 Views
20 Pages

Subframe-Level Synchronization in Multi-Camera System Using Time-Calibrated Video

  • Xiaoshi Zhou,
  • Yanran Dai,
  • Haidong Qin,
  • Shunran Qiu,
  • Xueyang Liu,
  • Yujie Dai,
  • Jing Li and
  • Tao Yang

30 October 2024

Achieving precise synchronization is critical for multi-camera systems in various applications. Traditional methods rely on hardware-triggered synchronization, necessitating significant manual effort to connect and adjust synchronization cables, espe...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
10 Citations
3,658 Views
22 Pages

30 October 2024

In this study, an acoustic Doppler current profiler (ADCP) operating at 600 kHz was installed on an ocean data buoy in the Qigu waters, Taiwan, to gather real-time sound echo intensity data. These data were then correlated with turbidity measurements...

(This article belongs to the Section Environmental Sensing)
  • Feature Paper
  • Article
  • Open Access
5 Citations
2,446 Views
15 Pages

Supervised Deep Learning for Detecting and Locating Passive Seismic Events Recorded with DAS: A Case Study

  • Emad Al-Hemyari,
  • Olivia Collet,
  • Konstantin Tertyshnikov and
  • Roman Pevzner

30 October 2024

Exploring shallow mineral resources requires acquiring denser seismic data, for which Distributed Acoustic Sensing is an effective enabler and relevant to mining operations monitoring. Passive seismic can be of interest in characterizing the subsurfa...

(This article belongs to the Special Issue Advancing Land Monitoring through Synergistic Harmonization of Optical, Radar and Lidar Satellite Technologies)
  • Article
  • Open Access
1,814 Views
17 Pages

30 October 2024

In power grid surveying, it is often necessary to fuse panchromatic and multispectral imagery for the design of power lines. Despite the abundance of deep learning networks for fusing these images, the results often suffer from spectral information l...

(This article belongs to the Section Electronic Sensors)
  • Review
  • Open Access
6 Citations
3,477 Views
35 Pages

30 October 2024

Manual handling is a major risk factor for work-related musculoskeletal disorders and one of the leading causes of disability-adjusted life years globally, necessitating multifaceted risk reduction measures. One potential intervention for manual hand...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
5 Citations
2,107 Views
11 Pages

30 October 2024

Metal nanoclusters assembled using short peptides as templates exhibit significant potential for development and application in the fields of catalysis and biomedicine, owing to their distinctive electronic structure, favorable optical properties, an...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
19 Citations
6,999 Views
20 Pages

In-Depth Development of a Versatile Rumen Bolus Sensor for Dairy Cattle

  • Gergely Vakulya,
  • Éva Hajnal,
  • Péter Udvardy and
  • Gyula Simon

30 October 2024

Precision agriculture and the increasing automation efforts in animal husbandry requires continuous and complex monitoring of the animals. Rumen bolus sensors, which are cutting-edge pieces of technology and a rapidly developing research field, prese...

(This article belongs to the Special Issue Feature Papers in Smart Agriculture 2024)
  • Article
  • Open Access
5 Citations
1,933 Views
14 Pages

A New Type of Dynamic Vibration Fiber Sensor

  • I-Nan Chang,
  • Chih-Chuan Chiu and
  • Wen-Fung Liu

30 October 2024

A new-type vibration sensor based on a fiber Bragg grating combined with a special structure-packaged design is proposed for monitoring the mechanical vibration signals. Three different sensing structures, including the film squeeze type, new film sq...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
3 Citations
1,506 Views
17 Pages

Optimizing DG Handling: Designing an Immersive MRsafe Training Program

  • Chi Ho Li,
  • Elle Wing Ho Chow,
  • Manviel Tam and
  • Pak Ho Tong

30 October 2024

The rapid growth of e-commerce has significantly increased demands on logistics providers, particularly in the areas of product handling and shipment. One of the most challenging and critical aspects of this process is the handling of dangerous goods...

(This article belongs to the Section Intelligent Sensors)
  • Review
  • Open Access
37 Citations
9,518 Views
31 Pages

30 October 2024

Underground mines are considered one of the riskiest facilities for human activities due to numerous accidents and geotechnical failures recorded worldwide over the last century, which have resulted in unsafe labor conditions, poor health outcomes, i...

(This article belongs to the Special Issue Advances in Intelligent Sensors and IoT Solutions)
  • Article
  • Open Access
8 Citations
2,267 Views
13 Pages

Waste Material Classification Based on a Wavelength-Sensitive Ge-on-Si Photodetector

  • Anju Manakkakudy Kumaran,
  • Andrea De Iacovo,
  • Andrea Ballabio,
  • Jacopo Frigerio,
  • Giovanni Isella and
  • Lorenzo Colace

30 October 2024

Waste material classification is critical for efficient recycling and waste management. This study proposes a novel, low-cost material classification system based on a single, voltage-tunable Ge-on-Si photodetector operating across the visible and sh...

(This article belongs to the Section Electronic Sensors)
  • Article
  • Open Access
7 Citations
4,765 Views
25 Pages

Application of Electroencephalography Sensors and Artificial Intelligence in Automated Language Teaching

  • Yanlin Chen,
  • Wuxiong Wang,
  • Shen Yan,
  • Yiming Wang,
  • Xinran Zheng and
  • Chunli Lv

30 October 2024

This study developed an automated language learning teaching assessment system based on electroencephalography (EEG) and differential language large models (LLMs), aimed at enhancing language instruction effectiveness by monitoring learners’ co...

(This article belongs to the Special Issue Advances of Sensors and Human-Centered Intelligent Systems in Education)
  • Review
  • Open Access
4,818 Views
19 Pages

Development of a Sexological Ontology

  • Dariusz S. Radomski,
  • Zuzanna Oscik,
  • Ewa Dmoch-Gajzlerska and
  • Anna Szczotka

30 October 2024

This study aimed to show what role biomedical engineering can play in sexual health. A new concept of sexological ontology, an essential tool for building evidence-based models of sexual health, is proposed. This ontology should be based on properly...

(This article belongs to the Collection Sensors, Image, and Signal Processing for Biomedical Applications)
  • Article
  • Open Access
1 Citations
10,403 Views
20 Pages

One-Dimensional Motion Representation for Standing/Sitting and Their Transitions

  • Geunho Lee,
  • Yusuke Hayakawa,
  • Takuya Watanabe and
  • Chunhe Li

30 October 2024

In everyday life, people often stand up and sit down. Unlike young, able-bodied individuals, older adults and those with disabilities usually stand up or sit down slowly, often pausing during the transition. It is crucial to design interfaces that ac...

(This article belongs to the Special Issue Wearable Sensors for Postural Stability and Fall Risk Analyses)
  • Article
  • Open Access
16 Citations
4,015 Views
23 Pages

Drilling Rate of Penetration Prediction Based on CBT-LSTM Neural Network

  • Kai Bai,
  • Siyi Jin,
  • Zhaoshuo Zhang and
  • Shengsheng Dai

30 October 2024

Due to the uncertainty of the subsurface environment and the complexity of parameters, particularly in feature extraction from input data and when seeking to understand bidirectional temporal information, the evaluation and prediction of the rate of...

(This article belongs to the Section Industrial Sensors)
  • Article
  • Open Access
10 Citations
6,287 Views
17 Pages

Decoding Brain Signals from Rapid-Event EEG for Visual Analysis Using Deep Learning

  • Madiha Rehman,
  • Humaira Anwer,
  • Helena Garay,
  • Josep Alemany-Iturriaga,
  • Isabel De la Torre Díez,
  • Hafeez ur Rehman Siddiqui and
  • Saleem Ullah

30 October 2024

The perception and recognition of objects around us empower environmental interaction. Harnessing the brain’s signals to achieve this objective has consistently posed difficulties. Researchers are exploring whether the poor accuracy in this fie...

(This article belongs to the Special Issue Advances in Principles, Methods and Applications of Brain-Computer Interaction)
  • Article
  • Open Access
4 Citations
2,744 Views
21 Pages

GPS-Based Hidden Markov Models to Document Pastoral Mobility in the Sahel

  • Arthur Scriban,
  • Serge Nabeneza,
  • Daniel Cornelis,
  • Etienne Delay,
  • Jonathan Vayssières,
  • Jean-Daniel Cesaro and
  • Paulo Salgado

30 October 2024

In agrarian systems where animal mobility is crucial for feed management, nutrient cycles and household economy, there is a notable lack of precise data on livestock mobility and herding practices. We introduce a methodology leveraging GPS-based beha...

(This article belongs to the Section Smart Agriculture)
  • Review
  • Open Access
18 Citations
6,700 Views
16 Pages

Photoacoustic Resonators for Non-Invasive Blood Glucose Detection Through Photoacoustic Spectroscopy: A Systematic Review

  • Md Rejvi Kaysir,
  • Thasin Mohammad Zaman,
  • Shazzad Rassel,
  • Jishen Wang and
  • Dayan Ban

30 October 2024

Diabetes mellitus is a prevalent disease with a rapidly increasing incidence projected worldwide, affecting both industrialized and developing regions. Effective diabetes management requires precise therapeutic strategies, primarily through self-moni...

(This article belongs to the Section Biosensors)
  • Article
  • Open Access
4 Citations
2,334 Views
18 Pages

Analysis of Field of View for a Moon-Based Earth Observation Multispectral Camera

  • Zhitong Yu,
  • Hanlin Ye,
  • Mengxiong Zhou,
  • Feifei Li,
  • Yin Jin,
  • Chunlai Li,
  • Guang Liu and
  • Huadong Guo

30 October 2024

A Moon-based Earth observation multispectral camera provides a unique perspective for observing large-scale Earth phenomena. This study focuses on the analysis of the field of view (FOV) for such a sensor. Unlike space-borne sensors, the analysis of...

(This article belongs to the Special Issue Advances in Optical Sensing, Instrumentation and Systems: 2nd Edition)
  • Article
  • Open Access
2 Citations
3,405 Views
18 Pages

Development of an Angular Stiffness Sensor to Measure Dental Implant Stability In Vitro

  • Weiwei Xu,
  • Yen-Wei Chen,
  • Kanako Nagatomo,
  • Yifeng Liu,
  • Jihai Zhou,
  • Michel Dard and
  • I. Y. Shen

30 October 2024

This investigation aims to develop an angular stiffness sensor intended for measuring dental implant stability in bone. The sensor hardware included a tiny eccentric motor and an accelerometer to measure a flex constant of an implant with its abutmen...

(This article belongs to the Section Biomedical Sensors)
  • Article
  • Open Access
1 Citations
2,784 Views
26 Pages

30 October 2024

This paper presents an enhanced measurement technique for evaluating embroidered transmission lines (TLs), based on a TL characterization method. The evaluation metric is the “pure” losses of the embroidered TL excluding mismatch losses....

(This article belongs to the Special Issue Feature Papers in Physical Sensors 2024)
  • Communication
  • Open Access
14 Citations
7,428 Views
14 Pages

IoT Leak Detection System for Onshore Oil Pipeline Based on Thermography

  • Danielle Mascarenhas Maia,
  • João Vitor Silva Mendes,
  • João Pedro Almeida Miranda Silva,
  • Rodrigo Freire Bastos,
  • Matheus dos Santos Silva,
  • Reinaldo Coelho Mirre,
  • Thamiles Rodrigues de Melo and
  • Herman Augusto Lepikson

30 October 2024

The vast expanses of remote onshore areas in oil-producing countries are home to a network of flow and collection pipelines that are susceptible to leaks. Most of these areas lack the infrastructure to enable the use of remote monitoring systems equi...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
29 Citations
16,302 Views
22 Pages

Reconfigurable Intelligent Surface (RIS)-Assisted Non-Terrestrial Network (NTN)-Based 6G Communications: A Contemporary Survey

  • Chika E. Worka,
  • Faheem A. Khan,
  • Qasim Zeeshan Ahmed,
  • Pradorn Sureephong and
  • Temitope Alade

30 October 2024

This article examines the transformative potential of integrating reconfigurable intelligent surfaces (RISs) into sixth-generation (6G) wireless non-terrestrial networks (NTNs). The focus is on the RIS’s capability to address diverse user requi...

(This article belongs to the Special Issue 6G Space-Air-Ground Communication Networks and Key Technologies)
  • Article
  • Open Access
1 Citations
1,560 Views
20 Pages

A New Deep Learning Methodology for Alarm Supervision in Marine Power Stations

  • José A. Orosa,
  • Genaro Cao-Feijóo,
  • Francisco J. Pérez-Castelo and
  • José M. Pérez-Canosa

30 October 2024

Marine engineering officers operate and maintain the ship’s machinery during normal navigation. Most accidents on board are related to human factors which, at the same time, are associated with the workload of the crew members and the working e...

(This article belongs to the Section Fault Diagnosis & Sensors)
  • Review
  • Open Access
13 Citations
5,063 Views
23 Pages

30 October 2024

As Location-Based Services (LBSs) rapidly develop, indoor localization technology is garnering significant attention as a critical component. Smartphones have become tools for indoor localization due to their highly integrated sensors, fast-evolving...

(This article belongs to the Special Issue Feature Review Papers in Physical Sensors)
  • Article
  • Open Access
7 Citations
3,934 Views
18 Pages

Method for Extracting Optical Element Information Using Optical Coherence Tomography

  • Jiucheng Nie,
  • Yukun Wang,
  • Dacheng Wang,
  • Yue Ding,
  • Chengchen Zhou,
  • Jincheng Wang,
  • Shuangshuang Zhang,
  • Junwei Song,
  • Mengxue Cai and
  • Xiaokun Wang
  • + 5 authors

30 October 2024

This study examines the measurement of film thickness, curvature, and defects on the surface or inside of an optical element using a highly accurate and efficient method. This is essential to ensure their quality and performance. Existing methods are...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
12 Citations
5,372 Views
18 Pages

30 October 2024

A novel detection model, MS-YOLO, is developed in this paper to improve the efficiency of drowning rescue operations. The model is lightweight, high in precision, and applicable for intelligent hardware platforms. Firstly, the MD-C2F structure is bui...

  • Communication
  • Open Access
3,297 Views
7 Pages

Speed of Light in Hollow-Core Photonic Bandgap Fiber Approaching That in Vacuum

  • Xiaolu Cao,
  • Mingming Luo,
  • Jianfei Liu,
  • Jie Ma,
  • Yundong Hao and
  • Yange Liu

30 October 2024

A Fresnel mirror is introduced at a hollow-core photonic bandgap fiber end by fusion splicing a short single-mode fiber segment, to reflect the light backward to an optical frequency domain reflectometry. The backward Fresnel reflection is used as a...

(This article belongs to the Special Issue Advanced Optical Technologies for Communications, Perception, and Chips)
  • Article
  • Open Access
17 Citations
3,180 Views
17 Pages

30 October 2024

The Low-Energy Adaptive Clustering Hierarchy (LEACH) protocol is a widely used method for managing energy consumption in Wireless Sensor Networks (WSNs). However, it has limitations that affect network longevity and performance. This paper presents a...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
1 Citations
1,837 Views
18 Pages

Digitized Seedbed Soil Quality Assessment from Worn and Edge Hardened Cultivator Sweeps

  • Jong-Myung Noh,
  • Lijie Liu,
  • Mehari Z. Tekeste,
  • Qing Li,
  • Jerry Hatfield and
  • David Eisenmann

29 October 2024

Tillage tools for seedbed soil management are often subjected to low stress abrasion wear, which could negatively affect seedbed quality and crop productivity. Limited studies exist that quantify the effects of worn tillage tools on seedbed quality a...

(This article belongs to the Section Smart Agriculture)
  • Article
  • Open Access
6 Citations
3,979 Views
13 Pages

Direct Measurement of the Ciliary Sulcus Diameter Using Optical Coherence Tomography—Inter-Rater Variability

  • Timo Eppig,
  • Manuel Seer,
  • Antonio Martinez-Abad,
  • Virgilio Galvis,
  • Saskia Schütz,
  • Alejandro Tello,
  • Michiel C. Rombach and
  • Jorge L. Alió

29 October 2024

The determination of sulcus-to-sulcus measurements has been challenging due to the limitations of current approaches. Ultrasound methods are highly operator-dependent and require extensive training, while traditional optical devices cannot visualize...

(This article belongs to the Special Issue Modern Sensor Technology in Ophthalmology and Optometry for Diagnostics and Surgery)

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