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2023 IEEE 17th International Symposium on Applied Computational Intelligence and Informatics (SACI)最新文献

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Optical network problems in 5G Radio Access Networks 5G无线接入网络中的光网络问题
P. J. Varga, Dávid Óhegyi, Sándor Gyányi, Tibor Wührl
When telecommunication networks evolved rapidly in the 1980s and 1990s, only backbone networks used optical data transmission technologies. Nowadays, the situation has changed; access networks also use a significant amount of optical data transmission infrastructure. The connection between different equipment in the radio access network of mobile networks - especially the 5th generation (5G) networks - is provided by optical fiber cables. The small cell radio units (RU) is also using optical connections. There is pressure in operation: service providers must install these optical networks in large quantities at the possible lowest prices. Many mistakes can be made during the installation of the optical cable as a data transmission medium, our article will highlight these errors. We developed a training environment demonstrating the most common installation errors and how to recognise indicators and measure parameters. The training environment is suitable for professionals to prepare for optics installation and avoid typical mistakes.
当电信网络在20世纪80年代和90年代迅速发展时,只有骨干网使用光数据传输技术。如今,情况发生了变化;接入网还使用了大量的光数据传输基础设施。在移动网络的无线接入网络中,特别是第五代(5G)网络,不同设备之间的连接是由光纤电缆提供的。小蜂窝无线电单元(RU)也使用光学连接。运营中存在压力:服务提供商必须以尽可能低的价格大量安装这些光纤网络。作为数据传输介质的光缆在安装过程中会出现很多错误,本文将重点介绍这些错误。我们开发了一个培训环境,演示最常见的安装错误,以及如何识别指标和测量参数。培训环境适合专业人员进行光学安装准备,避免典型错误。
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引用次数: 0
A Novel Machine Learning Solution for the Inverse Heat Conduction Problem with Synthetic Datasets 基于合成数据集的反热传导问题的一种新的机器学习解决方案
Zoltán Biczó, S. Szénási, I. Felde
There are many attempts to solve the Inverse Heat Conduction Problem, and nowadays a growing number of machine learning-based methods have emerged. One major drawback of these methods is that they are very sensitive to the size and quality of the training database. There are several data augmentation techniques for artificially increasing the size of training databases, but these techniques have not yet been investigated in the field of quenching. This paper presents the augmentation methods that can be used, and then evaluates them with a novel experience. As a final tough, we can conclude that modern synthetic data generation can develop the robustness of machine learning methods and play an effective role in the inverse heat conduction problem occurring during the quenching of steel.
有许多解决反热传导问题的尝试,现在越来越多的基于机器学习的方法已经出现。这些方法的一个主要缺点是它们对训练数据库的大小和质量非常敏感。有几种人为增加训练数据库大小的数据增强技术,但这些技术尚未在淬火领域进行研究。本文介绍了可使用的增强方法,并以一种新颖的体验对其进行了评价。最后,我们可以得出结论,现代合成数据生成可以开发机器学习方法的鲁棒性,并在钢淬火过程中发生的逆热传导问题中发挥有效作用。
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引用次数: 0
Timetable generator and optimizer for Hungarian university students 匈牙利大学生时间表生成器和优化器
Marcell Csaba Sárkány, András Kovács
This paper presents the design and development of a web-based system that allows Hungarian university students to create personalized and optimized timetables during the subject-taking period. The system is based on a backtracking algorithm that considers the user’s preferences and constraints. The requirements specification, use cases, data structures, and architecture of the system are detailed, as well as the selection of the ASP.NET Core and Angular frameworks. The system was tested with real data and results showed that the stricter the user’s preferences, the faster the results were generated. The paper concludes with a summary of the system’s development and testing documentation.
本文介绍了一个基于网络的系统的设计和开发,该系统允许匈牙利大学生在考试期间创建个性化和优化的时间表。该系统基于回溯算法,该算法考虑了用户的偏好和约束。详细介绍了系统的需求说明、用例、数据结构和体系结构,以及ASP的选择。NET Core和Angular框架。用实际数据对系统进行了测试,结果表明,用户的偏好越严格,生成结果的速度越快。论文最后总结了系统的开发和测试文档。
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引用次数: 0
PIC-XAI: Post-hoc Image Captioning Explanation using Segmentation PIC-XAI:使用分割的即时图像字幕解释
Modafar Al-Shouha, G. Szücs
The rapid advancement in Deep Learning (DL) proposes viable solutions to various real-world problems. However, deploying DL-based models in some applications is hindered by their black-box nature and the inability to explain them. This has pushed Explainable Artificial Intelligence (XAI) research toward DL-based models, aiming to increase the trust by reducing their opacity. Although many XAI algorithms were proposed earlier, they lack the ability to explain certain tasks, i.e. image captioning (IC). This is caused by the IC task nature, e.g. the presence of multiple objects from the same category in the captioned image. In this paper we propose and investigate an XAI approach for this particular task. Additionally, we provide a method to evaluate XAI algorithms performance in the domain1.1Our code is available at https://github.com/modafarshouha/PIC-XAI.
深度学习(DL)的快速发展为各种现实问题提供了可行的解决方案。然而,在一些应用程序中部署基于dl的模型受到其黑箱性质和无法解释它们的阻碍。这推动了可解释人工智能(XAI)研究转向基于dl的模型,旨在通过减少其不透明性来增加信任。尽管之前提出了许多XAI算法,但它们缺乏解释某些任务的能力,例如图像字幕(IC)。这是由IC任务性质引起的,例如,在标题图像中存在来自同一类别的多个对象。在本文中,我们提出并研究了一种用于此特定任务的XAI方法。此外,我们还提供了一种方法来评估域中的XAI算法性能。我们的代码可在https://github.com/modafarshouha/PIC-XAI上获得。
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引用次数: 0
The effects of shoes with a triple density midsole on lower limb kinematics and kinetics in male recreational runners 三密度中底鞋对男性休闲跑步者下肢运动学和动力学的影响
X. Jiang, István Bíró
Cushioned or stability running shoes is currently a highly debated topic among runners and researchers. Several footwear companies have developed running shoes to simulate different hardness but few studies have compared a triple density running shoe to deduce the injuries of running. The primary goal of this study was to compare acute changes in three-dimensional (3D) ground reaction forces (GRFs) and lower limb kinematics of habitually shod rear-foot strike (RFS) runners between different hardness and density running shoes. Lower limb joint biomechanical variables of fifteen recreational runners were analyzed using a 3D motion capture system and a force platform. The loading rate at the first impact peak showed no difference between the two shoe conditions. The first impact peak was significantly larger in the triple density shoe condition than in the single density shoe. Combining the inversion and eversion of the ankle during the pushing-off phase, a single midsole showed a bigger eversion angle than a density midsole. The innovative running shoes enhanced the rear-foot stability of runners compared to the control running shoe during the loading (eversion) phase of running.
缓震跑鞋或稳定跑鞋目前是跑步者和研究人员之间一个备受争议的话题。一些鞋类公司已经开发出模拟不同硬度的跑鞋,但很少有研究比较三密度跑鞋来推断跑步的伤害。本研究的主要目的是比较不同硬度和密度跑鞋对习惯性穿后足撞击(RFS)跑步者的三维(3D)地面反作用力(GRFs)和下肢运动学的急性变化。采用三维运动捕捉系统和受力平台对15例休闲跑步者下肢关节生物力学变量进行了分析。两种鞋型在第一个冲击峰处的加载速率没有差异。三密度鞋的第一次冲击峰明显大于单密度鞋。结合踝关节在蹬脱阶段的内翻和外翻,单中底比密度中底显示出更大的外翻角度。与常规跑鞋相比,创新跑鞋在跑步加载(版本)阶段增强了跑步者的后脚稳定性。
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引用次数: 0
In silico chemotherapy optimization with genetic algorithm 基于遗传算法的计算机化学优化
Martin Ferenc Dömény, Melánia Puskás, L. Kovács, D. Drexler
The combination of medicine with engineering has great potential. The currently used chemotherapy treatments usually use maximal tolerable doses, which can lead to harmful side effects. By using a mathematical approach, we are able to personalize chemotherapy treatments, using unique patient parameters. We propose an algorithm that is capable of generating a chemotherapy treatment plan to cure cancer patients. The objective of the algorithm is to create a treatment that shrinks the tumor while minimizing the injected doses to decrease treatment costs and prevent drug toxicity. In this paper, we used a genetic algorithm to find the optimal treatment. First, we optimized the therapy on a single patient, later we carried out therapy optimization on a population with predefined ranges for the patient model parameters. The parameters are acquired from in vivo mice experiments through parametric identification. According to the results, the generated treatment produced higher survival rates with slightly higher doses compared to the standard clinically used treatment.
医学与工程学的结合具有巨大的潜力。目前使用的化疗通常使用最大耐受剂量,这可能导致有害的副作用。通过使用数学方法,我们能够个性化化疗治疗,使用独特的患者参数。我们提出了一种能够生成化疗治疗计划的算法来治愈癌症患者。该算法的目标是创造一种缩小肿瘤的治疗方法,同时最大限度地减少注射剂量,以降低治疗费用并防止药物毒性。在本文中,我们使用遗传算法来寻找最优的治疗方法。首先,我们对单个患者进行了治疗优化,然后我们对具有预定义范围的患者模型参数的人群进行了治疗优化。参数通过参数识别从小鼠体内实验中获得。根据结果,与临床使用的标准治疗相比,生成的治疗在剂量略高的情况下产生了更高的存活率。
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引用次数: 1
Method for Autonomous Lane Detection in Assisted Driving 辅助驾驶自动车道检测方法
Maria C. Brad, A. A. Brad, M. Micea
This paper presents a machine learning-based method for detecting lanes on roads. The proposed approach includes several processing steps such as preprocessing of the original image frames, application of the Hough Line Transform for an initial detection of lanes, computation of the vanishing point to determine the horizon line, and region of interest (ROI) determination. Additionally, the method compensates for the unknown position of the camera facing the road by cropping a triangle-shaped perspective area. To correct errors caused by road discoloration and cracks, a color mask for white and yellow pixels is used. The orientation of the lanes is determined by analyzing the slope of the lines, and the lane coordinates are linked to the image center. The proposed method uses the U-Net neural network and the implementation is based on the Python programming language and OpenCV image processing library. In the final section we also present a comparison with a lane detection method based on convolutional neural networks and discuss the results.
本文提出了一种基于机器学习的道路车道检测方法。该方法包括对原始图像帧进行预处理,应用霍夫线变换进行车道的初始检测,计算消失点以确定地平线,确定感兴趣区域(ROI)等几个处理步骤。此外,该方法通过裁剪一个三角形透视区域来补偿摄像机面对道路的未知位置。为了纠正由道路变色和裂缝引起的错误,使用白色和黄色像素的颜色蒙版。通过分析线的斜率确定车道的方向,并将车道坐标链接到图像中心。该方法采用U-Net神经网络,基于Python编程语言和OpenCV图像处理库实现。在最后一节中,我们还与基于卷积神经网络的车道检测方法进行了比较,并讨论了结果。
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引用次数: 0
Procedural City Generation 程序城市生成
Barnabás Erdei, S. Szénási
Content creation for games and movies is expensive and time-consuming. Meanwhile, there is always a demand by the market every year for improved graphics and effects from these companies. Therefore, automated technologies are a necessity in modern workflows. With the help of procedural techniques, it is possible to accelerate and decrease the cost of this creation process. These algorithms cannot replace content creation artists because of the lack of artistic details in models like landscapes, buildings, characters, and so forth. However, it can provide a great foundation to jumpstart production projects. Because of the diversity of this topic, this paper focuses on only one of the use cases of these techniques: the generation of urban environments.
游戏和电影的内容创作既昂贵又耗时。与此同时,市场每年都有对这些公司改进图形和效果的需求。因此,自动化技术在现代工作流程中是必要的。在程序技术的帮助下,可以加速并降低此创建过程的成本。这些算法不能取代内容创作艺术家,因为在模型中缺乏艺术细节,如风景、建筑、人物等。但是,它可以为快速启动生产项目提供一个很好的基础。由于这个主题的多样性,本文只关注这些技术的一个用例:城市环境的生成。
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引用次数: 0
Solving Jigsaw Puzzles Using Computer Vision and Curve Similarity Measures 用计算机视觉和曲线相似度测量解决拼图
Olivér M. Balogh, Z. Vámossy
Jigsaw puzzles are a popular form of entertainment. Solving them with the help of computers raises several interesting problems, and has been the subject of many published papers in the past. In this paper, an approach to creating a program that uses pictures of real puzzle pieces to reconstruct the full puzzle image is presented. A photography technique is described that results in consistently recognizable images, which are used to extract features of the puzzle pieces. These features are then compared using two similarity algorithms - Hausdorff distance and Dynamic Time Warping. Three different puzzle assembly strategies that use these comparisons are presented, along with additional logic rules to solve the full puzzle. Using these the final program is capable of solving two different, 25-piece jigsaw puzzles. A comparison of the different similarity measures and assembly algorithms in the scope of the problem is also presented.
拼图游戏是一种流行的娱乐形式。在计算机的帮助下解决这些问题会产生一些有趣的问题,并且在过去已经发表了许多论文。本文提出了一种利用真实拼图图片重建完整拼图图像的程序设计方法。描述了一种摄影技术,可以产生一致的可识别图像,用于提取拼图块的特征。然后使用两种相似算法-豪斯多夫距离和动态时间翘曲来比较这些特征。本文介绍了使用这些比较的三种不同的谜题组合策略,以及解决完整谜题的附加逻辑规则。使用这些,最终的程序能够解决两个不同的,25块拼图。在问题的范围内,对不同的相似度量和装配算法进行了比较。
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引用次数: 0
AI-Augmented Peer Led Team Learning for STEM Education 人工智能增强的STEM教育同伴领导的团队学习
K. Dsouza, Lin Zhu, P. Varma-Nelson, S. Fang, S. Mukhopadhyay
Active learning methodologies in higher education benefit students by reinforcing learning and critical skills during the class. In active pedagogical models such as Peer-Led Team Learning (PLTL) students have stronger course outcomes. The instructor is not present in a PLTL workshop and may not receive sufficient feedback from peer leaders. Additionally, these classes have large enrollments. There is a lack of AI-enabled tools that monitor or provide feedback during cPLTL workshops. The current study addresses this gap by proposing an AI-based multimodal solution using recordings of cyber Peer-Led Team Learning (cPLTL) classes. The machine learning model analyzes audio and text features to predict the outcome of a workshop. The results using multimodal learning show potential for further development of the tool. Such improved modeling will help reduce the instructor’s workload facilitating the integration of AI in education. This novel multimodal approach aims to enhance the student’s learning experience by providing an automated feedback mechanism to the instructor.
高等教育中的主动学习方法通过在课堂上加强学习和关键技能使学生受益。在积极的教学模式中,如同伴领导的团队学习(PLTL),学生的课程成果更强。讲师不在PLTL研讨会上,可能无法从同行领导那里得到足够的反馈。此外,这些课程的注册人数很大。在cPLTL研讨会期间,缺乏支持人工智能的工具来监控或提供反馈。目前的研究通过使用网络同伴领导的团队学习(cPLTL)课程的录音,提出了一种基于人工智能的多模式解决方案,解决了这一差距。机器学习模型分析音频和文本特征来预测研讨会的结果。使用多模态学习的结果显示了该工具进一步发展的潜力。这种改进的建模将有助于减少教师的工作量,促进人工智能在教育中的整合。这种新颖的多模式方法旨在通过向教师提供自动反馈机制来提高学生的学习体验。
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引用次数: 0
期刊
2023 IEEE 17th International Symposium on Applied Computational Intelligence and Informatics (SACI)
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