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Distinguishing Early-Time Responses Using Short-Time Half Fourier Transform 利用短时半傅里叶变换识别早期响应
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-04-01 DOI: 10.1109/LSENS.2026.3679595
Zishuo Huang;Yajun Li;Tianni Yao;Zhenyu Li;Pengfei Wang
{"title":"Distinguishing Early-Time Responses Using Short-Time Half Fourier Transform","authors":"Zishuo Huang;Yajun Li;Tianni Yao;Zhenyu Li;Pengfei Wang","doi":"10.1109/LSENS.2026.3679595","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3679595","url":null,"abstract":"Overlapping echoes in multitarget radar sensing pose challenges for accurate detection. Specifically, late-time responses often obscure subsequent weak early-time responses. This letter proposes a short-time half Fourier transform (STHFT) method to address this. The method introduces a short-time windowed half Fourier transform (HFT) to analyze the local phase evolution, enabling accurate separation and timing estimation of early-time responses from different targets. Experiments demonstrate that the STHFT can effectively suppress aliasing in late-time responses of multitarget systems and reduce mutual interference between early-time responses in the global HFT. Furthermore, STHFT maintains a certain level of sensing accuracy and robustness even in noisy environments, which is beneficial for achieving multitarget ranging and high-precision spatial positioning in complex electromagnetic environments.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147696184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
WildPose v2: A Compact Trimodal Platform for Long-Range Animal Motion Capture 野生姿态v2：一个紧凑的三模平台的远程动物动作捕捉
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-04-03 DOI: 10.1109/LSENS.2026.3680398
Gerald N. Maswoswere;Paul Amayo;Amir Patel
{"title":"WildPose v2: A Compact Trimodal Platform for Long-Range Animal Motion Capture","authors":"Gerald N. Maswoswere;Paul Amayo;Amir Patel","doi":"10.1109/LSENS.2026.3680398","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3680398","url":null,"abstract":"Long-range, noncontact biomechanics in the field often fails because narrow-FOV telephoto sensors lose subjects too early. We present WildPose v2, a compact trimodal rig that pairs a high-speed telephoto camera with a 4 K/<inline-formula><tex-math>$120^circ$</tex-math></inline-formula> “scout” camera and a Livox Tele-15 LiDAR. A two-stage calibration aligns the sensor suite, achieving a mean wide–LiDAR reprojection error of 3.5 px (<inline-formula><tex-math>$approx$</tex-math></inline-formula><inline-formula><tex-math>$10 ,mathrm{c}mathrm{m}$</tex-math></inline-formula> lateral at <inline-formula><tex-math>$50 ,mathrm{m}$</tex-math></inline-formula>), which supports contextual fusion and colorization but does not support high-precision joint-center localization or tight skeletal fitting without further refinement. Although GPS-disciplined time-stamping yields an intersensor skew of <inline-formula><tex-math>$leq$</tex-math></inline-formula><inline-formula><tex-math>$40 ,mathrm{m}mathrm{s}$</tex-math></inline-formula>, this proves adequate for the wide view's primary roles: early detection, interaction covisibility maintenance, and contextual LiDAR colorization. In cheetah sprint trials (50–60 m corridor), the scout channel significantly increased data reliability: it improved telephoto temporal coverage by 22.5% on average, maintained predator–prey interaction covisibility at 85%, and achieved 98% LiDAR colorization completeness. We outline a path toward continuous buffering to mitigate operator trigger latency. WildPose v2 demonstrates a practical pathway to reliable, long-range, multimodal capture for wildlife biomechanics in a compact, field-ready package.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147796026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hardware-Efficient System State Detection for Embedded Condition Monitoring 嵌入式状态监测的硬件高效系统状态检测
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-04-09 DOI: 10.1109/LSENS.2026.3682499
Philipp Lehninger;Ardavan Elahi;Daniel Schnöll;Axel Jantsch;Thilo Sauter
{"title":"Hardware-Efficient System State Detection for Embedded Condition Monitoring","authors":"Philipp Lehninger;Ardavan Elahi;Daniel Schnöll;Axel Jantsch;Thilo Sauter","doi":"10.1109/LSENS.2026.3682499","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3682499","url":null,"abstract":"Condition monitoring of devices and control systems is essential for predictive maintenance and can lower maintenance costs and downtimes significantly. Many approaches rely on machine learning methods, which, however, require substantial computational resources. If condition monitoring is to be embedded directly on a sensor or small edge device, then efficient hardware-based solutions are needed. This letter presents a minimized hardware implementation of a condition monitoring algorithm to allow resource-saving integration and a further reduction of computational and communication overhead. We compare the optimized hardware version with a more traditional implementation of the algorithm. Furthermore, a tradeoff analysis examines the effect of sample bit widths on gate count and accuracy. For the selected case study, the gate count has been reduced by 55% to 2120 gates and the needed memory size by roughly 86% to 3092 bits while still yielding system state detection results at the same level of accuracy.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11478451","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147828840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Performance Broadband Photodetector Based on Uniform WS2 Microsquares 基于均匀WS2微平方的高性能宽带光电探测器
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-02-23 DOI: 10.1109/LSENS.2026.3667187
Vaibhav Kandwal;Pukhraj Prajapat;Gurpavit Kaur Bhatia;Ajay Bhatt;Govind Gupta
{"title":"High-Performance Broadband Photodetector Based on Uniform WS2 Microsquares","authors":"Vaibhav Kandwal;Pukhraj Prajapat;Gurpavit Kaur Bhatia;Ajay Bhatt;Govind Gupta","doi":"10.1109/LSENS.2026.3667187","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3667187","url":null,"abstract":"The 2-D transition metal dichalcogenides are promising candidates for next-generation optoelectronics owing to their tunable bandgap and strong light–matter interaction. Among them, WS<sub>2</sub> has gained attention for its unique properties. Here, we present a mask-assisted sputtering strategy for the controlled growth of uniform WS<sub>2</sub> square arrays on SiO<sub>2</sub>/Si substrates, using a transmission electron microscopy grid as a deposition mask. This selective patterning enables direct fabrication of uniform WS<sub>2</sub> structures without complex lithography. Photodetectors based on patterned WS<sub>2</sub> pillars exhibit broadband photoresponse from ultraviolet to near-infrared (355–860 nm), with bias- and power-dependent photocurrent and stable, repeatable switching under illumination. A maximum responsivity of 7.36 A/W at 620 nm under low incident power highlights the high efficiency of the sputtered WS<sub>2</sub> pillars. This work demonstrates a scalable, lithography-free approach for patterned WS<sub>2</sub> growth and its potential for integrated, low-cost broadband photodetection platforms.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147665235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication of PVDF@FeO.Fe2O3-GNP Nanocomposite-Based Gel-Free Electrode to Acquire ECG Signal 制备PVDF@FeO.Fe2O3-GNP纳米复合材料无凝胶电极获取心电信号
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-03-17 DOI: 10.1109/LSENS.2026.3674944
Vedhavathi H. Shivarudraiah;Kavya Rajanna;Anitha S. Prasad;Madhukar B. Sangameshwara;Mohan K. Manjunathaswamy;Bellappa Subbappa;Kumara Swamy Ningappa
{"title":"Fabrication of PVDF@FeO.Fe2O3-GNP Nanocomposite-Based Gel-Free Electrode to Acquire ECG Signal","authors":"Vedhavathi H. Shivarudraiah;Kavya Rajanna;Anitha S. Prasad;Madhukar B. Sangameshwara;Mohan K. Manjunathaswamy;Bellappa Subbappa;Kumara Swamy Ningappa","doi":"10.1109/LSENS.2026.3674944","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3674944","url":null,"abstract":"Electrocardiogram (ECG) signals are widely used to interpret the heart’s electrical activity and are conventionally measured using gel-based ECG electrodes. In this study, Iron (II, III) oxide (FeO.Fe<sub>2</sub>O<sub>3</sub>) or (Fe<sub>3</sub>O<sub>4</sub>)–graphene nanoplatelets (GNP), designated as FG, was prepared in different compositions (1.5:1.5, 2:1, 3:0 wt/wt) and incorporated into polyvinylidene fluoride (PVDF) polymer via a solution mixing approach to develop PVDF@Fe<sub>3</sub>O<sub>4</sub>-GNP (PVDF@FG) polymer nanocomposites. These PVDF@FG suspensions were then cast onto bare Ag/AgCl electrodes to fabricate gel-free ECG electrodes. The nanocomposites (NC) and ECG electrodes were characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy, scanning electron microscopy analysis, and impedance measurement techniques. The as-prepared gel-free electrodes were integrated with an Arduino microcontroller to acquire the ECG signals. Among the compositions tested, the PVDF@FG NC electrode with a 1.5:1.5 Fe<sub>3</sub>O<sub>4</sub>–GNP ratio exhibited superior conductivity and sensitivity, demonstrating a nominal signal-to-noise ratio. The ECG spectra revealed the enhanced R peak and increased R-R peak separation compared to bare Ag/AgCl electrodes, indicating improved signal acquisition with reduced noise. These findings suggest that the proposed gel-free ECG sensor is a promising alternative to conventional gel-based ECG electrodes, offering enhanced signal acquisition performance and reliability.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147665408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Fidelity Airborne Ultrasound Array Simulator Realized by Physics-Informed Neural Operators 基于物理信息神经算子的高保真机载超声阵列模拟器
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-03-20 DOI: 10.1109/LSENS.2026.3676220
Cihun-Siyong Gong;Guo-Wei Hong;Hao-Li Liu
{"title":"High-Fidelity Airborne Ultrasound Array Simulator Realized by Physics-Informed Neural Operators","authors":"Cihun-Siyong Gong;Guo-Wei Hong;Hao-Li Liu","doi":"10.1109/LSENS.2026.3676220","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3676220","url":null,"abstract":"Airborne ultrasonic arrays have been widely used in contactless suspension, object recognition, directional audio, and haptic synthesis, but the development often relies on high-cost and time-consuming simulation and experiments. To solve the problem of slow calculation speed of traditional numerical software, this study proposes for the first time a method using physics-informed neural operators to perform air-coupled ultrasonic array simulation. It not only simulates propagation of acoustic waves in a 3-D environment, but also tests whether there is a similar physical relationship with the actual platform. Compared with popular numerical simulation methods, proposed has an acceleration of approximately one order of magnitude., which can support larger scale 3-D fields. This novel platform significantly reduces development threshold and cost, achieved by enabling rapid and diversified simulations that generate high-quality data necessary to support robust models.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147665409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Enhancement of ISFETs in Standard CMOS Technology Using Antireflection Coating as Ion-Sensitive Layer and FLOTOX Tunnel Devices 用增反射涂层作为离子敏感层和FLOTOX隧道器件增强isfet在标准CMOS技术中的性能
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-03-20 DOI: 10.1109/LSENS.2026.3676279
Alexander Hofmann;Florian Kögler;Björn Bieske;Uwe Baumann;Peter Kornetzky;Tibor Kerekes;Dagmar Kirsten;Eric Schäfer
{"title":"Performance Enhancement of ISFETs in Standard CMOS Technology Using Antireflection Coating as Ion-Sensitive Layer and FLOTOX Tunnel Devices","authors":"Alexander Hofmann;Florian Kögler;Björn Bieske;Uwe Baumann;Peter Kornetzky;Tibor Kerekes;Dagmar Kirsten;Eric Schäfer","doi":"10.1109/LSENS.2026.3676279","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3676279","url":null,"abstract":"We present the characterization results of ion-sensitive field-effect transistors (ISFETs) fabricated in standard CMOS technology with implemented tunnel structures for bidirectional electron tunneling in terms of sensitivity, drift, signal resolution, and trapped charge compensation. The measured CMOS ISFETs exhibit a mean pH sensitivity, drift and signal resolution of <inline-formula><tex-math>$44.7 ,mathrm{m}mathrm{V}/{mathrm{pH}}$</tex-math></inline-formula>, <inline-formula><tex-math>$1.8 ,mathrm{m}mathrm{V}/{mathrm{h}}$</tex-math></inline-formula>, and <inline-formula><tex-math>$0.002 ,{mathrm{pH}}$</tex-math></inline-formula>, respectively. To the best of the authors' knowledge, these are the best performance parameters achieved to date for ISFETs with an ion-sensitive Si<sub>3</sub>N<sub>4</sub> layer fabricated in standard CMOS process without customized modifications. We achieved this performance enhancement by using antireflection coating as ion-sensitive layer available in standard CMOS technology. This enables the use of our proposed CMOS ISFETs as biosensors in applications with high sensor demands, such as molecular diagnostics and deoxyribonucleic acid (DNA) sequencing.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11449250","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147665271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electromechanical and Acoustic Characterization of a Capacitive Micromachined Ultrasonic Transducer in Multienvironment Conditions 电容式微机械超声换能器在多环境条件下的机电和声学特性
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-03-02 DOI: 10.1109/LSENS.2026.3669219
Bijit Kumar Nath;Reshmi Maity;Niladri Pratap Maity
{"title":"Electromechanical and Acoustic Characterization of a Capacitive Micromachined Ultrasonic Transducer in Multienvironment Conditions","authors":"Bijit Kumar Nath;Reshmi Maity;Niladri Pratap Maity","doi":"10.1109/LSENS.2026.3669219","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3669219","url":null,"abstract":"A comprehensive study of the electromechanical coupling efficiency, acoustic pressure, and frequency responses of capacitive micromachined ultrasonic transducer under varied structural and environmental conditions is presented. In this article the effects of critical factors, including cavity thickness, membrane thickness and radius, and applied bias voltage, on the device's electromechanical coupling coefficient were examined using analytical modeling and finite element method simulations. Significant deviation of 33% in resonant behavior between water and air media was observed through frequency response analysis, which was brought about by different acoustic loading effects. Sound pressure level and sound pressure distribution reflected notably improved performance in water. Temperature analysis reported a nonlinear increase in sound pressure, from 100 Pa at −55 °C to about 300 Pa at 85 °C, with significant thermal sensitivity. The fabricated device showed excellent agreement with analytical model, at capacitance measured of 0.458 pF and resonant frequency at 2.8 MHz.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147665305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-Sector Direction-of-Arrival Estimation Using a Switched Receive Array 使用交换接收阵列的扇区内到达方向估计
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-04-02 DOI: 10.1109/LSENS.2026.3680296
Hamed Masoumi;Paul Barend Groen;Bein Frederik Jacob Kamminga;Lars Jisse Hoogland;Boele van Schaik;Anniek Christine van der Veen;Edoardo Focante;Nitin Jonathan Myers
{"title":"In-Sector Direction-of-Arrival Estimation Using a Switched Receive Array","authors":"Hamed Masoumi;Paul Barend Groen;Bein Frederik Jacob Kamminga;Lars Jisse Hoogland;Boele van Schaik;Anniek Christine van der Veen;Edoardo Focante;Nitin Jonathan Myers","doi":"10.1109/LSENS.2026.3680296","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3680296","url":null,"abstract":"Direction-of-arrival (DoA) estimation is a key operation in 5G radios, radars, and sonars. While large receive arrays enable high-resolution DoA estimates, their fully digital implementation consumes significant power. This letter demonstrates DoA estimation with a switched receive array, which consumes less power than its fully digital counterpart. The DoA is estimated in two stages. First, the sector in which the source lies is estimated by mechanically steering a wide beam. Then, the DoA within the identified sector is estimated electronically using our switched receive array. We formulate an integer program to optimize the configuration of switches at the receiver, resulting in low-aliasing artifacts within the identified sector. Using our custom 40 KHz ultrasound receive array, we demonstrate DoA estimation with our optimized switch configuration. Experiments and numerical results show that the error in the estimated DoA is smaller with our optimized switch configuration than with a randomly chosen configuration.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147696159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Monocular-Based Vehicle Displacement Detection in Low-Light Dynamic Environments 低光动态环境下基于单眼的车辆位移检测
IF 2.2
IEEE Sensors Letters Pub Date : 2026-03-01 Epub Date: 2026-03-23 DOI: 10.1109/LSENS.2026.3676457
Kezhong Liu;Cong Fan;Shengkai Zhang;Chunshen Li;Xuedou Xiao;Xuming Zeng;Mozi Chen
{"title":"Monocular-Based Vehicle Displacement Detection in Low-Light Dynamic Environments","authors":"Kezhong Liu;Cong Fan;Shengkai Zhang;Chunshen Li;Xuedou Xiao;Xuming Zeng;Mozi Chen","doi":"10.1109/LSENS.2026.3676457","DOIUrl":"https://doi.org/10.1109/LSENS.2026.3676457","url":null,"abstract":"In this letter, we propose a monocular–based vehicle displacement detection system for low-light dynamic environments in transport vessels. The proposed system integrates two key designs: first, an image enhancement module with resolution-adaptive feature fusion and uncertainty-guided correction to improve sensing reliability under harsh lighting, and second, a motion compensation module that combines global alignment with confidence-weighted optical-flow refinement to suppress jitter-induced pseudomotion and capture fine-scale vehicle displacement. Extensive experiments on real-world transport-ship datasets collected at Lianyungang Port, Jiangsu Province, China, demonstrate that our system achieves a displacement error of 4 cm and reduces error by 60.2% compared to representative state-of-the-art baselines.","PeriodicalId":13014,"journal":{"name":"IEEE Sensors Letters","volume":"10 5","pages":"1-4"},"PeriodicalIF":2.2,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147737176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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