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检索条件"任意字段=7th International Conference on the Art, Science, and Engineering of Programming, Programming 2023"

共 1136 条记录，以下是911-920 订阅

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Fast Algorithms of Anisotropic Diffusion Filters for Parallel Processors

Fast Algorithms of Anisotropic Diffusion Filters for Paralle...

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international conference on Computing and Convergence Technology

作者： Hyun Kyu Kim Hyo Jong Lee Division of Computer Science and Engineering Chonbuk National University Jeonju Korea Division of Computer Science and Engineering Center for Advanced Image & Information Technology Chonbuk National University Jeonju Korea

ISBN: (纸本)9781467308946

A noise in digital image degrades the performance of image processing. these images are most often used in medical field for diagnosis and treatment. thus, there is a huge demand for high quality images from the medical field. the current algorithms to process useable images are derived using Gaussian blur filter. However, using such isotropic diffusion technique, the filter cuts away pertinent information within the image. the high noise level in an image will blur organs in medical images such as in MRI. In order to accommodate the loss of information while maintaining the quality of the image, an anisotropic diffusion filter has been developed. the anisotropic diffusion filter uses heat equation and the only downfall of the technique is lengthy process time. the purpose of this study is to decrease the processing time using parallel processors through the optimization of GPU.

关键词： Anisotropic Anisotropic diffusion filter GPU CUDA parallel programming multi-core

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An Aircraft Structural Component Process Route Recommendation Engine Based on ANN-LCS Algorithm

An Aircraft Structural Component Process Route Recommendatio...

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Computer Information science and Application Technology (CISAT), international conference on

作者： Linhao Qin Dewei Fu Zhenjun Ming Hongpeng Zhang Hu Lu Qiang Li Baoguo Chen Qin Wen Mengmin Xu Ruiqiang Lyu SME Beijing Institute of Technology Beijing China SAMC Commercial Aircraft Corporation of China Ltd Shanghai China Division for Industrial Software AVIC Manufacturing Technology Institute Beijing China

ISBN: (数字)9798350375107

ISBN: (纸本)9798350375114

A process route recommendation engine for aviation structural components based on ANN-LCS algorithm is introduced. By processing the machining process knowledge of aviation structural components, defining their basic information and process route data, and then constructing and training an ANN (artificial Neural Network) to classify parts. Based on part classification, the LCS (Longest Common Substring) algorithm based on dynamic programming is used to generate process routes. through the testing of process route recommendation examples, the results show that this method can effectively obtain and select feasible process routes in the process design stage.

关键词： Process design Knowledge engineering Training Heuristic algorithms artificial neural networks Dynamic programming Classification algorithms Personnel Engines Testing

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A robust Carrier Frequency and Timing Offset Estimation in Inter-UAV OFDM Communication Links

A robust Carrier Frequency and Timing Offset Estimation in I...

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international Multi-Topic ICT conference (IMTIC)

作者： Farzana Kulsoom Iraj Fatima Hassan Nazeer Chaudhry Aneeqa Gul Adeel Akram Telecommunication Engineering Dpt. University of Engineering and Technology Taxila Pakistan Computer Science Dpt. Barani Institute of Technology Rawalpindi Pakistan

the UAV-mounted base station has been integrated into 5G and beyond to provide communication in an emergency when conventional systems fail due to some reason. Moreover, it is also used in coverage enhancement and for other strategic purposes. In this work, we have considered a MIMO-OFDM based UAV system that is inclined to fast-fading channels due to the continuous motion of UAVs. Due to the mobility of UAVs, there is a frequency and timing offset which must be estimated for proper and seamless communication. For that purpose, we have proposed a data-aided maximum likelihood-based scheme that efficiently estimates the carrier frequency and timing offset. Results show that our algorithm outperforms the state-of-the-art system in terms of MSE.

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Insulation Performance of Graphene Reinforced Copper Chromium Contact Material in a Vacuum Environment 7

Insulation Performance of Graphene Reinforced Copper Chromiu...

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7th international conference on Electric Power Equipment - Switching Technology, ICEPE-ST 2024

作者： Ma, Feiyue Niu, Yuqian Wei, Siyi Zhang, Aohua Yao, Xiaofei Sun, Shangpeng Liu, Zhiyuan Wang, Jianhua Geng, Yingsan School of Electrical Engineering Xi'an Jiaotong University State Key Laboratory of Electrical Insulation and Power Equipment Xi'an710049 China Research Institute of State Grid Ningxia Electric Power Co. ltd. Yinchuan750001 China

ISBN: (纸本)9798350388947

Graphene reinforced copper matrix composite material (GR/Cu composite material) exhibits excellent physical and chemical properties and ablation resistance in SF6 circuit breakers, but has not yet been applied in vacuum circuit breakers. From the state-of-art, there is no research on dielectric properties of the vacuum gaps with GR/Cu electrodes. the objective of this study is to experimentally determine the electrical dielectric performance of a Gr-CuCr composite contact material in a vacuum interrupter (VI). the electrode material includes Cu60Cr40(GR-0wt%), Cu60Cr40(GR-1wt%), and Cu60Cr40 (GR¬3wt%). the contacts are mounted in the 24 kV commercial VIs, with the contact diameter set to 72 mm. Within the range of 1wt% to 3wt% graphene content, the power frequency breakdown voltage decreases as the graphene content increases. Compared to Cu60Cr40(GR-0wt%), Cu60Cr40 (GR1wt%) exhibits a reduction in power frequency breakdown voltage ranging from 5.9% to 21.6%. For Cu60Cr40 (GR-3wt%), the decrease in power frequency breakdown voltage is more pronounced, ranging from 17.6% to 21.6%. In terms of the 50% breakdown voltage across contact gap distances of 3-13mm, the order from highest to lowest is Cu60Cr40(GR-0wt%) > Cu60Cr40(GR-1wt%) > Cu60Cr40(GR-3wt%). these research findings offer valuable theoretical and technical insights to support the adoption of graphene reinforced copper matrix composite material in vacuum switches. © 2024 IEEE.

关键词： SF6 insulation

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Analysis of Tweets for Tourism Trends: A Case Study of Kathmandu, Nepal 6th

Analysis of Tweets for Tourism Trends: A Case Study of Kathm...

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6th international conference on Intelligent Computing and Optimization, ICO 2023

作者： Shrestha, Deepanjal Tamrakar, Sujan Subedi, Ghanshyam Boojhawon, Ravindra Khand, Purna Bahadur School of Business Pokhara University Pokhara Nepal Nanjing University of Aeronautics and Astronautics Nanjing China Gandaki College of Engineering and Science Pokhara University Pokhara Nepal University of Mauritius Moka Mauritius

ISBN: (纸本)9783031501500

Social media has gained importance in social and business sectors. It is capable of creating value with its rich information content and real-time dissemination of information from live human sensors. the role of these social sites cannot be ignored in information-intensive systems like the tourism business systems. this study presents a case study of Twitter trend analysis of Kathmandu City as a tourism destination in Nepal. the work collected around 30,000 tweets using Twitter’s application programming interface (API), and analyzed them using data mining tools and techniques. the analysis revealed that Twitter users in Kathmandu were highly engaged in discussing tourism-related activities and events. the work identified several distinct trends in the Twitter data, including topics such as the earthquake, Nepali food, heritage sites, and tourism Points of Interest (POI). the work also observed trends in the use of hashtags, sentiments related to Twitter content, time series analysis, and information clusters. this study is important to understand the position of Kathmandu in online sites as a tourism destination and the opinions tourist carry for it. this can help the tourism businesses, governing bodies and associated stakeholders to utilize the knowledge to improve the overall image of the city as a tourism destination. It also contributes to the existing literature on social media analysis and provides a foundation for further research in this area. © 2023, the Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Sentiment analysis

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REAPER: Rapid Evolutionary Algorithm Prototyping and Experiment Reporting

REAPER: Rapid Evolutionary Algorithm Prototyping and Experim...

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international conference on Signal Processing and Communication Systems, ICSPCS

作者： Christopher N. Young Ju Jia Zou Chin J. Leo Engineering and Mathematics University of Western Sydney Penrith South DC Australia

the Rapid Evolutionary Algorithm Prototyping and Experiment Reporting (REAPER) framework presented in this paper is designed to assist in the prototyping and testing of Evolutionary Algorithms using a MATLAB Graphical User Interface (GUI). the REAPER framework provides an attractive easy-to-use alternative to current prototyping frameworks for both researchers inside and outside of the Evolutionary Computation (EC) community. the novelty in the REAPER frameworks approach is subject to the proposition that there should be an expansion of the set of criteria rapid prototyping frameworks should meet, to make them easier to use. the proposed expansion includes the current set of genericity criteria, supplemented by the addition of a set of easy-to-use criteria. the REAPER framework is compared to seven state-of-the-art EC frameworks in meeting both the genericity and the proposed easy-to-use criteria. REAPER is the only framework that satisfied all the genericity criteria and proposed easy-to-use criteria. the key attributes of REAPER are illustrated in an example, showing the complete process from the design of the objective function, and prototype algorithm, to the comparative analysis and reporting of results.

关键词： Algorithm design and analysis Graphical user interfaces Linear programming Signal processing algorithms MATLAB Mathematical model Evolutionary computation

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Balancing Risks and Monetary Savings When the Crowd is Involved in Pickups and Deliveries 4th

Balancing Risks and Monetary Savings When the Crowd is Inv...

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4th international conference on Innovative Intelligent Industrial Production and Logistics, IN4PL 2023

作者： De Maio, Annarita Musmanno, Roberto Vocaturo, Francesca Department of Economics Statistics and Finance "Giovanni Anania" University of Calabria CS Rende Italy Department of Mechanical Energy and Management Engineering University of Calabria CS Rende Italy

ISBN: (纸本)9783031493386

the increasing number of requests in the last-mile delivery has led to the introduction of advanced technological solutions to enhance couriers’ services. In addition, innovative strategies like crowd-shipping have been introduced in order to create synergies within the territory and involve ordinary people in the transportation activity with the aim of reducing operational costs and pollution as well as of increasing the service level. We refer to a company that manages a crowd-shipping platform and provides transportation services within time windows through its own fleet of vehicles and occasional drivers. the service requests correspond to pairs of pickups and deliveries. the objective of the company is to maximize the profit by balancing risks and benefits, from an economic perspective, associated with the involvement of ordinary people in fulfilling service requests. We extend the pickup and delivery problem with occasional drivers and regular vehicles, introducing risk and compensation considerations. the computational analysis conducted through an optimization model shows how the use of occasional drivers reduces overall costs. Moreover, a series of managerial insights is provided thanks to a sensitivity analysis on the risk and compensation parameters associated with crowd-shipping service. © 2023, the Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Crowd-shipping Integer linear programming Multi-vehicle pickup and delivery problem Sustainable transportation Time windows

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Distribution Network Planning Considering the Microgrids' Flexible Capability

Distribution Network Planning Considering the Microgrids' Fl...

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IEEE conference on Energy Internet and Energy System Integration (EI2)

作者： Hangcheng Chen Fan Li Zhen Wang Hongji Yang Mufan Wang Polytechnic Institute Zhejiang University Hangzhou China Electric Economic Research Institute of State Grid Zhejiang Electric Power Company Hangzhou China College of Electrical Engineering Zhejiang University Hangzhou China

In this paper, a two-stage expansion model for the distribution network is established for the purpose of minimizing the planning cost of the distribution, considering networked microgrids (MGs) as flexible regulation resources. In the first stage, the planning decision is made according to the measure of constructing lines, while in the second stage, the operating cost of the distribution network is evaluated by considering MG's flexible regulation capability. Based on the DistFlow model, the expansion model can be transformed into a second-order cone programming (SOCP) problem which can be easily solved by the YALMIP toolbox and GUROBI solver used in the study. Finally, a 20-bus distribution network test system is used to test the effectiveness of the proposed method.

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Optimal Control Design for Personalized Lane-Change Operation of Inteligent Vehicle

Optimal Control Design for Personalized Lane-Change Operatio...

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conference on Vehicle Control and Intelligence (CVCI)

作者： Xiang Wang Jiangyan Zhang College of Mechanical and Electronic Engineering Dalian Minzu University Dalian China

According to the personalized lane-change habits of different drivers, this study presents an automatic-driving personalized lane-change control system that ensures the safety of automatic-driving lane changes and meets the personalized needs of drivers. Constrained Delaunay triangulation (CDT) was used to generate a safe collision-free lane-changing area to ensure the safety of the planned lane-change path. Using the HighD datasets, a lane-change driving behavior identification model was established based on the BP neural network, divided into careful, normal, and aggressive according to driving habits. Taking driving safety and ride comfort as performance indices, quadratic programming (QP) algorithm is applied to generate personalized optimal paths to accommodate three different driving lane-change styles. then, a linear quadratic regulator (LQR) feedback controller integrated with feedforward control was designed for tracking control of personalized lane-change paths. Finally, co-simulation results by using PreScan, CarSim, and MATLAB/Simulink demonstrated that the proposed personalized lane-change path-planning and the tracking control system were effective and feasibility.

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Design and Development of Light Communication Systems Using Modulation Techniques

Design and Development of Light Communication Systems Using ...

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international conference of Electronics, Communication and Aerospace Technology (ICECA)

作者： R. Ragumadhavan D. Sateesh Kumar L.N. Charyulu Rompicharla Shiv Ashish Dhondiya Seeniappan. Kaliappan L. Natrayan Department of Electronics and Communication Engineering PSNA College of Engineering and Technology Dindigul Tamil Nadu India Department of Engineering Mathematics Koneru Lakshmaiah Education Foundation Guntur Andhra Pradesh India Department of Mathematics VR Siddhartha Engineering College Vijayawada Andhra Pradesh India Department of Computer Science and Engineering Graphic Era Deemed to be University Dehradun Uttarakhand India Department of Mechanical Engineering Velammal Institute of Technology Chennai Tamil Nadu India Department of Mechanical Engineering Saveetha School of Engineering Chennai Tamil Nadu India

this research study demonstrates the viability of adopting the planned IEEE 802.15.7 standard as a foundation for the creation of low-to-medium data rate VLC applications in the commercial sector. the proof-of-concept shown here combines software and hardware pieces to provide a versatile platform where new features may be introduced without much programming. It can be concluded that a VLC system's dual functionality requirement is readily met by adhering to the IEEE 802.15.7 standard standards. Using a commercial or specialty lighting microcontroller, the software define part of the approach provided here may be adapted to meet the low cost criterion imposed on commercial VLC LED luminaries. Many examples of greater data rate transmission by utilizing other modulation methods may be found in the VLC literature, but our system's goal was to showcase the potential of a VLC system that adheres to industry standards. the provided solution demonstrates that the IEEE 802.15.7 standard has reached a level of maturity where cost-effective, simple, and performant solutions may be deployed utilizing commercial off-the-shelf (COTS) devices for the aforementioned use cases. In order to improve the user experience and aid in the growth of the smart cities idea, VLC systems should not be considered as a replacement for Wi-Fi or any other wireless radio system.

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