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Data Security Structure of a Students’ Attendance Register Based on Security Cameras and Blockchain Technology 基于安全摄像头和区块链技术的学生考勤数据安全结构
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029471
Krisztián Bálint
The latest, modern security camera systems record numerous data at once. With the utilization of artificial intelligence, these systems can even compose an online attendance register of students present during the lectures. Data is primarily recorded on the hard disk of the NVR (Network Video Recorder), and in the long term, it is recommended to save the data in the blockchain. The purpose of the research is to demonstrate how university security cameras can be securely connected to the blockchain. This would be important for universities as this is sensitive student data that needs to be protected from unauthorized access. In my research, as part of the practical implementation, I therefore also use encryption methods and data fragmentation, which are saved at the nodes of the blockchain. Thus, even a DDoS (Distributed Denial of Service) type attack may be easily repelled, as data is not concentrated on a single, central server. To further increase security, it is useful to constitute a blockchain capable of its own data storage at the faculty itself, rather than renting data storage space, so we, ourselves may regulate the conditions of operation, and the policy of data protection. As a practical part of my research, therefore, I created a blockchain called UEDSC (Universities Data Storage Chain) where I saved the student's data.
最新的现代安全摄像系统一次记录大量数据。利用人工智能,这些系统甚至可以在课堂上制作学生的在线出勤记录。数据主要记录在NVR (Network Video Recorder)的硬盘上,从长远来看,建议将数据保存在区块链上。这项研究的目的是展示如何将大学安全摄像头安全地连接到区块链。这对大学来说很重要,因为这是需要保护的敏感学生数据,防止未经授权的访问。因此,在我的研究中,作为实际实施的一部分,我也使用了加密方法和数据分片,这些方法保存在区块链的节点上。因此,即使是DDoS(分布式拒绝服务)类型的攻击也很容易被击退,因为数据没有集中在单个中央服务器上。为了进一步提高安全性,构建一个能够在学院本身存储自己数据的区块链是有用的,而不是租用数据存储空间,因此我们可以自己规范操作条件和数据保护政策。因此,作为我研究的实际部分,我创建了一个名为UEDSC(大学数据存储链)的区块链,在那里我保存了学生的数据。
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引用次数: 1
Examination of Movement in Young Gymnasts with Special Reference to Knee Angles 青年体操运动员的动作检查,特别参考膝关节角度
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029550
Klaudia Kaszala, György Fekete
The study reviews the movement analysis of a selection of boys’ adolescent gymnasts in knee flexion and knee flexion variation. The analysis allows coaches to design personalized training plans and achieve better results. Gait testing and analysis of knee joint angles have proven to be an appropriate way to test junior gymnasts.
本研究回顾了一项选择的男孩青少年体操运动员的膝关节屈曲和膝关节屈曲变化的运动分析。通过分析,教练可以设计个性化的训练计划,取得更好的效果。步态测试和膝关节角度分析已被证明是一种合适的方法来测试初级体操运动员。
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引用次数: 0
Design of a Smart Irrigation using wireless communication protocols in Greenhouse 基于无线通信协议的温室智能灌溉系统设计
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029474
Behnaz Motamedi, B. Villányi
Agricultural irrigation management has necessitated the incorporation of wireless communication solutions, which includes GSM as the main controller device, ZigBee as a data transmission technology, and MQTT as a messaging protocol. The purpose of this study is to simplify the global and local communication networks to improve flexibility and categorize sensor data. Given its cost-effectiveness and water management, this research could be significant to the agricultural community. Furthermore, we will compare global, local wireless communication, and messaging communication protocols utilized in smart greenhouse irrigation which it will propose a new strategy in the MQTT messaging protocol to enable tracking and supervision irrigation system. In the conclusion of this comparison, the most appropriate, efficient, and beneficial wireless technologies and message protocols for smart greenhouse requirements are GSM, ZigBee, and MQTT.
农业灌溉管理需要结合无线通信解决方案,其中包括作为主要控制设备的GSM、作为数据传输技术的ZigBee和作为消息传递协议的MQTT。本研究的目的是简化全球和本地通信网络,以提高灵活性和分类传感器数据。鉴于其成本效益和水资源管理,这项研究可能对农业社区具有重要意义。此外,我们将比较智能温室灌溉中使用的全球、本地无线通信和消息通信协议,并在MQTT消息通信协议中提出一种新的策略,以实现对灌溉系统的跟踪和监督。在这个比较的结论中,对于智能温室的需求来说,最合适、最有效、最有益的无线技术和消息协议是GSM、ZigBee和MQTT。
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引用次数: 1
Topoplogical Structured Learning for Assessment of Unilateral Spatial Neglect 单侧空间忽视的拓扑结构学习评价
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029515
T. Obo, Noyuki Kubota
This paper presents an immersive virtual reality (VR) system for assessment of unilateral spatial neglect (USN). USN is defined by the inability for a person to perceive stimuli on one side of the body or environment that is not due to a lack of sensation. In clinical practice, paper-and-pencil tests are used as the quick assessments. However, the sensitivity of these tests is not sufficient for USN assessment in activities of daily living. Thus, VR systems and multimodal sensing systems have been applied to more sensitive diagnosis for USN. In this study, we aim to propose a method to extract specific features of USN patients in behavioral and cognitive levels.
提出了一种用于评估单侧空间忽视的沉浸式虚拟现实(VR)系统。USN被定义为一个人无法感知来自身体一侧或环境的刺激,而不是由于缺乏感觉。在临床实践中,纸笔测试被用作快速评估。然而,这些测试的灵敏度不足以评估日常生活活动中的USN。因此,VR系统和多模态传感系统已被应用于更敏感的USN诊断。在这项研究中,我们旨在提出一种方法来提取USN患者在行为和认知水平上的特定特征。
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引用次数: 0
On the Simulation of Lower Order Control Strategies for Higher Order Systems 高阶系统的低阶控制策略仿真研究
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029508
Awudu Atinga, J. Bitó, J. Tar
In model-based control of dynamical systems the order of the necessary controller is that of the time-derivative of the generalized coordinate of the system that immediately can be set by the controller. It is determined by the “physics” of the system to be controlled. In finite time-resolution approach the digital controllers model the derivatives by finite differences, and the simplest numerical integration via Euler’s method also uses such differences. Whenever some fractional order derivative of the tracking error is fed back, this long memory term allows the realization of such control strategies for various integer order systems by appropriately masking” and weighting certain elements of longer sequences. On this mathematical basis the idea of controlling a higher order system by the application of a lower order strategy can be formulated, too. The main benefit may be achieving monotonic decrease in the components of the tracking error. In this paper the first order control of a popular second order system often used for benchmark applications, the van der Pol oscillator is considered. The realization of a simple proportional feedback first order controller in two variants, and a PID-type Computed Torque Control are considered in the fixed point iteration-based adaptive framework to tackle the problems caused by modeling imprecisions. The applicability and the limits of the investigated approaches are concluded.
在基于模型的动力系统控制中,必要的控制器的阶数是系统广义坐标的时间导数的阶数,该广义坐标可以由控制器立即设定。它是由被控制系统的“物理”决定的。在有限时间分辨率方法中,数字控制器通过有限差分对导数进行建模,通过欧拉方法进行最简单的数值积分也使用了这种差分。当跟踪误差的一些分数阶导数被反馈时,这种长记忆期允许通过适当地屏蔽和加权长序列的某些元素来实现对各种整数阶系统的控制策略。在这个数学基础上,用低阶策略控制高阶系统的思想也可以表述出来。主要的好处可能是实现跟踪误差分量的单调减少。本文研究了一种常用的二阶系统的一阶控制问题,即范得波振荡器。在基于不动点迭代的自适应框架中,考虑实现简单的两变量比例反馈一阶控制器和pid型计算转矩控制,以解决建模不精确带来的问题。总结了所研究方法的适用性和局限性。
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引用次数: 0
A Genetic Algorithm Based Solution of Hungarian Team Orienteering Competitions 基于遗传算法的匈牙利团队定向比赛求解
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029648
A. Pózna
In this paper, a special team orienteering problem is presented where a set of control points should be distributed among the members of the team while a course with fixed order of controls is need to be completed too. The aim of the team is to minimize the maximum route length of the members. In this paper, a simple genetic algorithm is proposed to solve this special team orienteering problem. The performance of the algorithm is evaluated on real competition examples and the results are compared to the solutions given by the real winners of the race.
本文研究了一个特殊的团队定向问题,该问题需要在团队成员之间分配一组控制点,同时需要完成一段具有固定控制顺序的赛道。团队的目标是最小化成员的最大路线长度。本文提出了一种简单的遗传算法来解决这一特殊的团队定向问题。在实际竞赛实例上对算法的性能进行了评价,并将结果与实际竞赛获胜者给出的解进行了比较。
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引用次数: 0
Learn to climb: teaching a reinforcement learning agent the single rope ascending technique 学习攀爬:教一个强化学习代理单绳攀爬技术
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029600
Balázs Varga
Single rope ascending technique is used in industrial alpinism, forestry, or various leisure activities. This paper presents a multi-body model of this technique involving an actuated 3D model of a humanoid, the climbing gear, and the rope, modeled as a finite-element object. This model serves as a training ground for reinforcement learning agents trying to mimic humans in rope climbing. To demonstrate the environment, an agent with a state-of-the-art reinforcement learning algorithm (Soft Actor-Critic) was trained. Results suggest that the agent can learn how to ascend the rope with speed comparable to real humans. However, the learned technique is not human-like: the artificial agent uses its arms excessively to climb, which would be too tiring for a human. That is because the environment only rewards ascension and does not penalize the energy used. The presented learning environment is developed for humanoid robots in mind that can perform complex tasks while on the rope and can carry much heavier payloads compared to climbing robots in the literature.
单绳上升技术用于工业登山、林业或各种休闲活动。本文提出了该技术的一个多体模型,包括一个驱动的三维模型,人形,攀爬装置和绳索,建模为一个有限元对象。这个模型可以作为强化学习代理试图模仿人类攀绳的训练场。为了演示环境,训练了一个具有最先进的强化学习算法(软Actor-Critic)的代理。结果表明,该智能体可以学习如何以与真人相当的速度爬上绳子。然而,所学到的技术与人类不同:人工智能体过度地使用手臂来攀爬,这对人类来说太累了。那是因为环境只奖励提升,而不惩罚所使用的能量。所提出的学习环境是为人形机器人开发的,与文献中的攀爬机器人相比,人形机器人可以在绳索上执行复杂的任务,并且可以携带更重的有效载荷。
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引用次数: 0
Deep learning based object detection for agricultural machinery 基于深度学习的农业机械目标检测
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029518
S. Brassai, A. Németh, A. Hammas, Szabolcs Laszlo GABor
Drone imagery based object supervising has become more and more widespread. In the paper the Single shot Alignment Network is used to classify and localize the objects. The images were acquired by using two types of drones, DJI Tello and Zll SG906 Pro 2 in about thirty classes, and about nineteen were processed and detailed in the paper. The objects labeling was realized in CVAT labeling tool. For neural network management the mmdetection framework was used, and the obtained results were detailed on s2a-net. The paper focuses on the preparation of the neural network system to be used for agricultural machine detection. The network was trained on a PC with reduced processing capabilities. The dataset was cut in smaller tasks. An architecture is proposed to be used in future for dataset management during the training process.
基于无人机图像的目标监控越来越广泛。本文采用单镜头对准网络对目标进行分类和定位。图像是通过使用两种类型的无人机,DJI Tello和Zll SG906 Pro 2在大约30个类中获得的,并且在论文中对大约19个进行了处理和详细说明。在CVAT标注工具中实现对象标注。对于神经网络的管理,采用了mmdetection框架,并在s2a-net上详细介绍了得到的结果。本文重点研究了用于农业机械检测的神经网络系统的研制。该网络是在一台处理能力较差的个人电脑上进行训练的。数据集被分成更小的任务。提出了一种用于训练过程中数据集管理的体系结构。
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引用次数: 0
The effect of the choice of initial estimation for a tumor model parameter estimation problem 初始估计的选择对肿瘤模型参数估计问题的影响
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029496
E. Nagy, D. Drexler
Cyber-medical systems provides lots of possibilities that help doctors plan more effective treatments. A reliable mathematical model that can be customized is essential for therapy optimization. We deal with a mathematical model that we use to optimize chemotherapy. We have parameter sets that we use to create virtual patients and create therapy with random doses. Then we use a non-linear function optimization procedure with different initial values, Whose task is to fit the unknown parameters. Our goal is to examine the extent to which the procedure is able to find the real parameters of the virtual patients in the neighborhood of the original parameters. We found that there are parameters in the model where the parameter can not be found if the initial estimation is far from the real value.
网络医疗系统提供了许多可能性,帮助医生计划更有效的治疗。一个可靠的数学模型,可以定制是必不可少的治疗优化。我们用数学模型来优化化疗。我们有参数集用来创建虚拟病人和随机剂量的治疗。然后采用不同初始值的非线性函数优化方法,对未知参数进行拟合。我们的目标是检验该程序在多大程度上能够在原始参数的邻域中找到虚拟患者的真实参数。我们发现,在模型中存在一些参数,如果初始估计与实际值相差甚远,则无法找到该参数。
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引用次数: 1
Comparison of Automatic Question Generation Techniques 自动问题生成技术的比较
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029559
Walelign Tewabe Sewunetie, L. Kovács
Automatic question generation is a technique that generates a question from various sources like structured or unstructured content. Even if, each method has its own shortcoming and strength, we didn’t find any study that did an experimental comparison of the current automatic question generation techniques using a similar dataset. In this study, we analyzed the different state-of-the-art research works, and we identified significant challenges of each model. In addition, we have used BLEU, METEOR, and ROUGE automatic evaluation metrics, to evaluate the experimental test result. From our evaluation result, we observed that most of the tested techniques score below 0.5 in all automated evaluation metrics. Out of tested techniques T5-transformer-based, scores the maximum result. This result point out this research area still needs further investigation and preparing standardized training.
自动问题生成是一种从各种来源(如结构化或非结构化内容)生成问题的技术。即使每种方法都有自己的缺点和优点,我们也没有发现任何使用类似数据集对当前自动问题生成技术进行实验比较的研究。在本研究中,我们分析了不同的最先进的研究工作,并确定了每个模型的重大挑战。此外,我们还使用BLEU、METEOR和ROUGE自动评估指标,对实验测试结果进行评估。从我们的评估结果中,我们观察到大多数测试技术在所有自动化评估度量中的得分低于0.5。在测试的技术t5变压器为基础,得分最高的结果。这一结果指出该研究领域仍需进一步调查和准备规范化培训。
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引用次数: 1
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