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HealthAir: A Crowdsourcing mHealth Platform for Air Pollution Effects on Citizens Health Status 19

HealthAir: A Crowdsourcing mHealth Platform for Air Pollutio...

19th Annual International Conference on Distributed Computing in Smart Systems and the Internet of Things, DCOSS-IoT 2023

作者： Katsidimas, Ioannis Nikoletseas, Sotiris Panagiotou, Stefanos H. Spyropoulou, Christina University of Patras Computer Engineering and Informatics Department Greece Greece

ISBN: (纸本)9798350346497

Crowdsourcing systems offer numerous advantages for acquiring data, which can contribute to the development of modern concepts such as Smart Cities. Air quality in urban areas has been identified as a crucial theme and requirement, towards ideal city of the future that can be adapted upon its citizens' needs and comfort. Thus, besides the sensing infrastructure, a complementary system must be implemented in order to enable the public authority and municipality awareness over citizens' personalised and subjective input, in a cost efficient way that can be easily upscaled. In this work, we present HealthAir, an mHealth application alongside its subsystems (namely a web application and a smartwatch version), that aims to increase and complement the sensing capacity of a Smart City, with respect to the air quality-wise health of the citizens. This is achieved based on questionnaires and surveys approved by the health community, and services and features that implement a bidirectional interaction between the system and the users. Finally, users' data and air quality measurements from a third party platform are combined and presented for the case study realization and demonstration. © 2023 IEEE.

关键词： Air quality

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The Design of Efficient Data Flow and Low-Complexity Architecture for a Highly Configurable CNN Accelerator

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Circuits, Systems, and Signal Processing 2023年第8期42卷 4759-4783页

作者： Liu, Hui-Wen Shen, Chung-An Department of Electronic and Computer Engineering National Taiwan University of Science and Technology Taipei Taiwan

This paper presents a highly configurable and low-complexity CNN accelerator based on the MobileNetV3 model. To the best of authors’ knowledge, this is the first design of CNN accelerator based on the MobileNetV3 model. A highly efficient processing flow and memory-access scheme are proposed in this paper so that the throughput is greatly enhanced for the structural features in MobileNetV3 model. Furthermore, the proposed processing flow enhances the efficiency for the utilization of hardware components to reduce the complexity. Based on the proposed processing flow, this paper presents a highly configurable architecture to support various operation modes in MobileNetV3 model. The designed architecture is synthesized and layout with TSMC 90 nm technology. The evaluations for the performance and area complexity are conducted based on the post-layout estimations. It is shown in this paper that the performance of 197.7 FPS is achieved with the hardware complexity of 5392 KGEs for the MobileNetV3-Large. Compared to the state-of-the-art accelerator based on MobileNet, the FPS of the proposed design is improved by 3.4 × and the complexity is reduced by 18%. © 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

关键词： Convolution

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High-throughput screening of single-atom catalysts confined in monolayer black phosphorus for efficient nitrogen reduction reaction

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Nano Research 2024年第4期17卷 2360-2367页

作者： Xiao-Yan Li Manyi Duan Pengfei Ou Department of Electrical and Computer Engineering University of TorontoTorontoOntario M5S 1A4Canada School of Physics and Electronic Engineering Sichuan Normal UniversityChengdu 610101China Department of Chemistry Northwestern UniversityEvanstonIL 60208USA

The discovery of metal-nitrogen centers as the active sites for electrolysis has aroused significant interest in utilizing single-atom catalysts for nitrogen reduction reaction(NRR).Properly designed nanostructured catalysts that strongly interact with nitrogen molecules(N_(2))can promote adsorption and activation,thereby resulting in efficient catalysts with high stability,activity,and *** this study,using density functional theory calculations,we selected monolayer black phosphorus(BP)as the substrate and screened a series of single-atom transition metals confined in tri-coordinated and tetra-coordinated active centers(without and with N dopants)to electro-catalyze *** a result,we have identified two promising candidates(Hf_(1)-N_(1)P_(2)-1 and Tc_(1)-N_(4)),which exhibit not only low overpotentials of 0.56 and 0.49 V but also high thermodynamic and electrochemical stability,as well as good selectivity towards NRR over the competing hydrogen evolution *** also demonstrate the ability of Hf_(1)-N_(1)P_(2)-1 and Tc_(1)-N_(4) to activate and hydrogenate N_(2) by donating electrons and regulating charge *** study not only predicts new BP-based promising catalysts but also provides guidance for the rational design of high-performance NRR electrocatalysts under ambient conditions.

关键词： N_(2) electroreduction reaction single-atom catalysts black phosphorus density functional theory high-throughput calculations

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An approach for measuring spatial similarity among COVID-19 epicenters

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Geo-Spatial Information Science 2023年第3期26卷 496-513页

作者： Neda Kaffash Charandabi Abolghasem Sadeghi-Niaraki Soo-Mi Choi Tamer Abuhmed Geomatic Department Marand Technical FacultyUniversity of TabrizTabrizIran Department of Computer Science and Engineering and Convergence Engineering for Intelligent Drone Sejong UniversitySeoulSouth Korea College of Computing and Informatics Sungkyunkwan UniversitySuwonSouth Korea

Most countries and territories worldwide are affected by coronavirus disease 2019(COVID-19),and some cities have become known as epicenters owing to high *** of the changeable and unknown nature of the virus,managers of different cities could learn from the experiences of cities that have been successful in controlling COVID-19 instead of wasting time exploring different *** would be even more beneficial if they analyzed the experiences of similar *** similarity of such cities could be examined within a geographic information system based on various *** study investigated the similarities among eight cities-Wuhan,Tehran,Bergamo,Madrid,Paris,Daegu,New York,and Berlin-in terms of the COVID-19 situation(target)in these locations based on proximity factors,weather,and demographic ***,the factor and target layers were prepared,and then similar cities were identified using a similarity model and different distance *** results were aggregated using the Copeland method because of the different outcomes for each *** most similar city was identified for each selected city,and its similarity level was determined based on these *** results suggested the following pairs of similar cities:Wuhan-Berlin,Tehran-Berlin,Daegu-Wuhan,Bergamo-Madrid,Paris-Madrid,and New York-Paris based on COVID-19 related data up to 15 April 2020(target T1),and Daegu-Wuhan,Tehran-Madrid,Bergamo-Paris,Berlin-Paris,and New York-Madrid up to 8 December 2021(target T2)with a minimum and maximum similarity rate of 82.85%and 92.36%,*** similar cities,the most similar factors among the proximity criteria are the distance from bus and metro stations;among weather,the criteria are humidity and pressure;and among demographics,the criteria are male and female population ratios,literacy ratio,and death ratio from asthma and cancer,with a minimum and maximum difference of 0%and 64.94%,*** addition,according to the rando

关键词： COVID-19 GIS spatial similarity environmental factors demographic factors

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BEDiff: denoising diffusion probabilistic models for building extraction

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Optoelectronics Letters 2025年第5期21卷 298-305页

作者： LEI Yanjing WANG Yuan CHAN Sixian HU Jie ZHOU Xiaolong ZHANG Hongkai College of Computer Science and Technology Zhejiang University of Technology Hubei Key Laboratory of Intelligent Vision Based Monitoring for Hydroelectric Engineering College of Computer and Information China Three Gorges University Key Laboratory of Intelligent Informatics for Safety & Emergency of Zhejiang Province Wenzhou University College of Electrical and Information Engineering Quzhou University School of Electronic and Information Engineering Anhui Jianzhu University

Accurately identifying building distribution from remote sensing images with complex background information is challenging. The emergence of diffusion models has prompted the innovative idea of employing the reverse denoising process to distill building distribution from these complex backgrounds. Building on this concept, we propose a novel framework, building extraction diffusion model(BEDiff), which meticulously refines the extraction of building footprints from remote sensing images in a stepwise fashion. Our approach begins with the design of booster guidance, a mechanism that extracts structural and semantic features from remote sensing images to serve as priors, thereby providing targeted guidance for the diffusion process. Additionally, we introduce a cross-feature fusion module(CFM) that bridges the semantic gap between different types of features, facilitating the integration of the attributes extracted by booster guidance into the diffusion process more effectively. Our proposed BEDiff marks the first application of diffusion models to the task of building extraction. Empirical evidence from extensive experiments on the Beijing building dataset demonstrates the superior performance of BEDiff, affirming its effectiveness and potential for enhancing the accuracy of building extraction in complex urban landscapes.

关键词： A

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SUSTEM: An Improved Rule-based Sundanese Stemmer

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ACM Transactions on Asian and Low-Resource Language Information Processing 2024年第6期23卷 1-29页

作者： Setiawan, Irwan Kao, Hung-Yu Department of Computer and Informatics Engineering Politeknik Negeri Bandung Bandung Indonesia Intelligent Knowledge Management Lab Department of Computer Science and Information Engineering National Cheng Kung University No. 1 Daxue Rd. East Dist. Tainan City701 Taiwan

Current Sundanese stemmers either ignore reduplication words or define rules to handle only affixes. There is a significant amount of reduplication words in the Sundanese language. Because of that, it is impossible to achieve superior stemming precision in the Sundanese language without addressing reduplication words. This article presents an improved stemmer for the Sundanese language, which handles affixed and reduplicated words. With a Sundanese root word list, we use a rules-based stemming technique. In our approach, all stems produced by the affixes removal or normalization processes are added to the stem list. Using a stem list can help increase stemmer accuracy by reducing stemming errors caused by affix removal sequence errors or morphological issues. The current Sundanese language stemmer, RBSS, was used as a comparison. Two datasets with 8,218 unique affixed words and reduplication words were evaluated. The results show that our stemmer’s strength and accuracy have improved noticeably. The use of stem list and word reduplication rules improved our stemmer’s affixed type recognition and allowed us to achieve up to 99.30% accuracy. © 2024 Copyright held by the owner/author(s). Publication rights licensed to ACM.

关键词： Sundanese language reduplication word affixed word stemming

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Anonymous TollPass: A Blockchain-Based Privacy-Preserving electronic Toll Payment Model

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computers, Materials & Continua 2024年第6期79卷 3495-3518页

作者： Jane Kim Soojin Lee Chan Yeob Yeun Seung-Hyun Seo Department of Electronic&Electrical Engineering Graduate SchoolHanyang UniversitySeoul04763Korea Department of Electrical Engineering and Computer Science Khalifa University of Science and TechnologyAbu Dhabi127788United Arab Emirates School of Electrical Engineering Hanyang UniversityERICAAnsan15588Korea

As big data,Artificial Intelligence,and Vehicle-to-Everything(V2X)communication have advanced,Intelligent Transportation Systems(ITS)are being developed to enable efficient and safe transportation *** Toll Collection(ETC),which is one of the services included in ITS systems,is an automated system that allows vehicles to pass through toll plazas without stopping for manual *** ETC system is widely deployed on highways due to its contribution to stabilizing the overall traffic system *** ensure secure and efficient toll payments,designing a distributed model for sharing toll payment information among untrusted toll service providers is ***,the current ETC system operates under a centralized ***,both toll service providers and toll plazas know the toll usage history of *** raises concerns about revealing the entire driving routes and patterns of *** address these issues,blockchain technology,suitable for secure data management and data sharing in distributed systems,is being applied to the ETC *** enables efficient and transparent management of ETC ***,the public nature of blockchain poses a challenge where users’usage records are exposed to all *** tackle this,we propose a blockchain-based toll ticket model named AnonymousTollPass that considers the privacy of *** proposed model utilizes traceable ring signatures to provide unlinkability between tickets used by a vehicle and prevent the identity of the vehicle using the ticket from being identified among the ring members for the ***,malicious vehicles’identities can be traced when they attempt to reuse *** conducting simulations,we show the effectiveness of the proposed model and demonstrate that gas fees required for executing the proposed smart contracts are only 10%(when the ring size is 50)of the fees required in previous studies.

关键词： Blockchain electronic toll collection smart contract traceable ring signature

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Scalable Plug-and-Play Robotic Fabrics Based on Kilobot Modules

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IEEE Robotics and Automation Letters 2025年第7期10卷 6832-6839页

作者： Obilikpa, Stanley C. Talamali, Mohamed S. Miyauchi, Genki Oyekan, John Gros, Roderich The University of Sheffield School of Electrical and Electronic Engineering United Kingdom The University of York Department of Computer Science United Kingdom Technical University of Darmstadt Department of Computer Science Germany

This paper presents a framework for producing robotic fabrics using square lattice formations of interlinked Kilobot modules. The framework supports: (i) fabrics of arbitrary size and shape;(ii) different types of deformable links, namely springs and rods;(iii) easy plug-and-play reconfigurability. Two decentralized straight motion controllers are tested with robotic fabrics comprising up to 81 physical modules: an open-loop controller and a controller from the literature that responds to deformations within the fabric. For spring-based robotic fabrics, the deformation-correcting controller performs best overall, whereas for rod-based robotic fabrics, it is outperformed by the open-loop controller. A decentralized turning motion controller is formally derived and examined for either type of fabric, revealing the ability of the robotic fabrics to move along a curved trajectory using open-loop control. Finally, robotic fabrics are shown to perform basic object manipulation tasks. Robotic fabrics that deploy themselves based on distributed, embodied intelligence could pave the way for novel applications, from patching broken pipes to medical uses within the human body. © 2016 IEEE.

关键词： Modular robots

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LIME-RAY: What Does a Neural Network See from X-Rays? 2

LIME-RAY: What Does a Neural Network See from X-Rays?

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2nd International Conference on Information and Communication Technology, ICICT 2024

作者： Datta, Ayon Al Wazed Wasi, Wasif Muntasir, Fahim Nafis, Mahdee Department of Electrical and Electronic Engineering Ahsanullah University of Science and Technology Dhaka Bangladesh Department of Electrical and Electronic Engineering Rajshahi University of Engineering and Technology Rajshahi Bangladesh Department of Computer Science and Engineering BRAC University Dhaka Bangladesh

ISBN: (纸本)9798331508227

In the field of medical imaging, neural networks have significantly enhanced the analysis and interpretation of X-ray images, providing advanced capabilities in detecting patterns and anomalies. Despite their potential, challenges remain, particularly concerning the interpretability and reliability of these models. The LIME-RAY approach addresses these challenges by integrating Convolutional Neural Networks (CNN) with Long Short-Term Memory (LSTM) networks. This hybrid technique leverages CNNs for spatial feature extraction and LSTMs for temporal pattern recognition, improving the accuracy and interpretability of the model’s predictions. Furthermore, Local Interpretable Model-agnostic Explanations (LIME) are used to provide transparent, interpretable results, crucial for gaining the trust of healthcare professionals. Our approach is validated using a diverse dataset of chest X-rays, including cases of Covid-19, Pneumonia, and Tuberculosis. The proposed method demonstrates superior performance in multi-class disease classification and offers valuable insights into the decision-making process, bridging the gap between complex neural network models and practical healthcare applications. ©2024 IEEE.

关键词： Convolutional neural networks

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HVdc and FACTS: Revolutionizing Low-Carbon Electricity Grids [Guest Editorial]

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IEEE POWER & ENERGY MAGAZINE 2025年第2期23卷 17-19页

作者： Zhang, Xiao-Ping Nuqui, Reynaldo Fan, Lingling Department of Electronic Electrical and Computer Engineering University of Birmingham United Kingdom Hitachi Energy Raleigh United States University of South Florida Tampa United States

As the backbone of energy delivery and distribution, electricity grids become increasingly important when we are working toward clean energy transitions. In fact, electricity grids have been in operation for more than 100 years, delivering power to households, businesses, and industry in the most efficient manner. For the implementation of the net-zero target and energy transition, we will need to develop bigger, stronger, and smarter grids.

关键词： Special issues and sections HVDC transmission Low carbon economy Energy management Net zero Electricity supply industry Power distribution Power grids Flexible AC transmission systems Renewable energy sources Wind energy integration Power system stability

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