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2020 3rd International Seminar on Research of Information Technology and Intelligent Systems (ISRITI)最新文献

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Development and Implementation of Kalman Filter for IoT Sensors: Towards a Better Precision Agriculture 物联网传感器卡尔曼滤波的开发与实现:迈向更好的精准农业
A. Winursito, Ibnu Masngut, G. Pratama
In this paper, we present an approach to increase the robustness of the sensors' readings. It is quite troublesome to get noises as IoT sensors need to be installed outdoor. As the problems have to be addressed properly, we decide on implementing Kalman Filter to reduce the noises. Based on the experiments, Kalman Filter serves better sensors' readings. It can reduce the errors due to noises up to 66.49 percents. Therefore, the implementation of Kalman Filter will bring additional values to precision agriculture.
在本文中,我们提出了一种增加传感器读数鲁棒性的方法。物联网传感器需要安装在室外,因此噪音非常麻烦。由于这些问题必须得到适当的解决,我们决定采用卡尔曼滤波来降低噪声。实验表明,卡尔曼滤波能更好地服务于传感器的读数。该方法可将噪声误差降低66.49%。因此,卡尔曼滤波的实现将为精准农业带来附加价值。
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引用次数: 1
Initial Access in 5G mmWave Communication using Hybrid Genetic Algorithm and Particle Swarm Optimization 基于混合遗传算法和粒子群优化的5G毫米波通信初始接入
M. Archi, D. Gunawan
5G communication services, which provide many benefits and advantages, require several good technical specifications for each process mechanism. A delay is still a problem in the initial access mechanism to reach the 5G communication performance specification. Significant delays can occur when finding appropriate beam alignments to obtain directional links between the Base Station (BS) and the User Equipment (UE). Solving the problem with a suitable method makes the topic is important. In this paper, we propose a new beam refinement method based on Genetic Algorithm (GA) and Particle Swarm Optimization (PSO), namely Hybrid Genetic Algorithm and Particle Swarm Optimization (HGAPSO), which this method has several advantages over GA and PSO respectively. We use the capacity parameter against the number of iterations (delay) as a performance evaluation metric, where the suitable method is determined using these parameters. The simulation results show that HGAPSO has the second-lowest number of iterations in achieving convergence with the highest capacity compared to the GA and PSO methods. From these results, we conclude that HGAPSO is a suitable method compared to GA and PSO for the initial access mechanism in mmWave 5G communication systems.
5G通信业务提供了许多好处和优势,但每个流程机制都需要几个良好的技术规范。在达到5G通信性能规范的初始接入机制中,延迟仍然是一个问题。当找到适当的波束对准以获得基站(BS)和用户设备(UE)之间的定向链接时,可能会出现明显的延迟。用合适的方法解决问题使主题变得重要。本文提出了一种新的基于遗传算法(GA)和粒子群优化(PSO)的光束细化方法,即混合遗传算法和粒子群优化(HGAPSO),该方法分别具有遗传算法和粒子群优化的优点。我们使用相对于迭代次数(延迟)的容量参数作为性能评估指标,其中使用这些参数确定合适的方法。仿真结果表明,与遗传算法和粒子群算法相比,HGAPSO算法的迭代次数第二少,收敛能力最高。从这些结果中,我们得出结论,与GA和PSO相比,HGAPSO是毫米波5G通信系统中初始接入机制的合适方法。
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引用次数: 0
Development of Temperature and Humidity Control System in Internet-of-Things based Oyster Mushroom Cultivation 基于物联网的平菇栽培温湿度控制系统的开发
A. Najmurrokhman, Kusnandar, Ahmad Daelami, E. Nurlina, U. Komarudin, Hasbi Ridhatama
Oyster mushrooms are a kind of mushrooms that have high nutritional content and medicinal properties. This plant can be cultivated using planting media with the proper composition and the certain temperature as well as humidity. This paper describes the design and implementation of a prototype of temperature and humidity control system in the oyster mushroom cultivation based on the internet-of-things framework to obtain the good quality mushrooms. Controlling is carried out by utilizing DHT-11 sensor, Arduino Uno microcontroller, MCU ESP8266, and the internet-of-things (IoT) platforms which are called Cayenne. The temperature is maintained between 22°C-28°C and humidity of 60%-80% through continuous monitoring remotely. The Cayenne application installed on the desktop computer or an Android-based mobile phone provides data on temperature and humidity at all times. Experimental results show that monitoring and controlling temperature and humidity can be done well through the Cayenne application so that the whole system realizes the concept of IoT.
平菇是一种营养价值高、药用价值高的蘑菇。本植物可采用适当成分和一定温度、湿度的种植介质进行栽培。本文介绍了一种基于物联网框架的平菇栽培温湿度控制系统样机的设计与实现,以获得优质的平菇。控制由DHT-11传感器、Arduino Uno微控制器、ESP8266单片机和物联网(IoT)平台(称为Cayenne)进行。通过远程连续监控,温度控制在22℃~ 28℃,湿度控制在60% ~ 80%。安装在台式电脑或android手机上的Cayenne应用程序可以随时提供温度和湿度数据。实验结果表明,通过卡宴应用可以很好地实现温度和湿度的监测和控制,使整个系统实现物联网的概念。
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引用次数: 8
Prediction of Gross Domestic Product (GDP) in Indonesia Using Deep Learning Algorithm 利用深度学习算法预测印尼国内生产总值(GDP)
S. Sa'adah, Muhammad Satrio Wibowo
Growth Domestic Product (GDP) is the important factor to know the stability of financial condition in a country. Regarding into GDP value could be known the economic condition per capita. Especially, during this pandemic situation, GDP need study further about its sudden fluctuation. The solution can be covered using the prediction approach. Deep learning as new method from machine learning schema had been observed in this research to cope the prediction of GDP problem. Two methods of deep learning techniques that were used, LSTM and RNN, shown that the prediction could fit the data actual very well. The accuracy at around 80% until 90% emerge from LSTM architecture 2 and RNN architecture 2. Based on this result, it could bring new perspective to use this model to know the GDP fluctuation in a country even in catastrophe of Covid-19.
国内生产总值(GDP)的增长是衡量一个国家金融状况稳定性的重要指标。对于GDP的价值可以知道人均的经济状况。特别是在疫情期间,GDP的突发性波动问题需要进一步研究。该解决方案可以使用预测方法进行覆盖。深度学习作为机器学习模式的一种新方法,在本研究中被用于解决GDP预测问题。使用了LSTM和RNN两种深度学习技术的方法,结果表明预测可以很好地拟合实际数据。LSTM体系结构2和RNN体系结构2的准确率在80%到90%之间。基于这一结果,利用该模型来了解一个国家在新冠肺炎灾难下的GDP波动可以带来新的视角。
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引用次数: 6
Prediction of Liver Cancer Based on DNA Sequence Using Ensemble Method 基于DNA序列集成预测肝癌的研究
L. Muflikhah, N. Widodo, W. Mahmudy, Solimun
Chronic hepatitis B virus (HBV) infection is strongly associated with liver cancer. The DNA sequence of the virus is integrated into the human genome and affected the cell cycle. $HBx$ is a virus gene that is responsible to replicate for survival even though it has a high mutation rate. Machine learning methods are an effective way in biological analysis and are widely used in diagnosis to make a prediction. This study is addressed to predict liver cancer using a machine learning method based on the DNA sequence of HBV. However, unbalanced data impacts the performance evaluation of the learning method, especially for sensitivity and specificity. Therefore, this paper is proposed the ensemble method to improve the performance of prediction. We compare several classifier methods including Naive Bayes, GLM, KNN, SVM, and C5.0 Decision Tree. The results show that the ensemble method achieves a high evaluation performance value with an accuracy rate of 88.4%, a sensitivity rate of 88.4%, and a specificity rate of 91.4%.
慢性乙型肝炎病毒(HBV)感染与肝癌密切相关。病毒的DNA序列被整合到人类基因组中并影响细胞周期。$HBx$是一种病毒基因,它负责为生存而复制,尽管它有很高的突变率。机器学习方法是生物分析的一种有效方法,广泛应用于诊断预测。本研究旨在利用基于HBV DNA序列的机器学习方法预测肝癌。然而,数据的不平衡影响了学习方法的性能评估,特别是在敏感性和特异性方面。因此,本文提出了集成方法来提高预测性能。我们比较了几种分类器方法,包括朴素贝叶斯,GLM, KNN, SVM和C5.0决策树。结果表明,该方法准确率为88.4%,灵敏度为88.4%,特异性为91.4%,具有较高的评价性能值。
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引用次数: 3
Analytic Predictive of Hepatitis using The Regression Logic Algorithm 基于回归逻辑算法的肝炎预测分析
G. V. Nivaan, A. Emanuel
Hepatitis is an inflammation of the liver which is one of the diseases that affects the health of millions of people in the world of all ages. Predicting the outcome of this disease can be said to be quite challenging, where the main challenge for public health care services itself is due to a limited clinical diagnosis at an early stage. So by utilizing machine learning techniques on existing data, namely by concluding diagnostic rules to see trends in hepatitis patient data and see what factors are affecting patients with hepatitis, can make the diagnosis process more reliable to improve their health care. The approach that can be used to carry out this prediction process is a regression technique. The regression itself provides a relationship between the independent variable and the dependent variable. By using the hepatitis disease dataset from UCI Machine Learning, this study applies a logistic regression model that provides analysis results with an accuracy rate of 83.33%.
肝炎是一种肝脏炎症,是影响世界上各个年龄段数百万人健康的疾病之一。预测这种疾病的结果可以说是相当具有挑战性的,其中公共保健服务本身面临的主要挑战是由于早期阶段的临床诊断有限。因此,通过对现有数据利用机器学习技术,即通过总结诊断规则来了解肝炎患者数据的趋势,了解影响肝炎患者的因素,可以使诊断过程更加可靠,从而改善他们的医疗保健。可以用来进行这种预测过程的方法是回归技术。回归本身提供了自变量和因变量之间的关系。本研究使用UCI Machine Learning的肝炎疾病数据集,采用逻辑回归模型,分析结果准确率为83.33%。
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引用次数: 3
Smart Safe Prototype Based Internet of Things (IoT) with Face and Fingerprint Recognition 基于智能安全原型的物联网(IoT),具有面部和指纹识别
Ramadhan Rizki Setyadi, Istikmal, A. Irawan
The safe box is currently considered safe but is not truly safe. That is because safe storage has a security method using PINs that can be seen by others. Therefore, a more secure safe box security system is needed. This paper purpose a safe box prototype with an added security system using a two-way verification system and an integrated Internet of Things (IoT) system. The face recognition system and fingerprint system used in this system. The face recognition system developed an LBP (Local Binary Pattern) clarification and embedded Haar cascade program in raspberry Pi. For real-time monitoring, the safe box has been designed to provide violation alerts via notifications on android apps. Two-way verification smart safe box has a good face recognition system especially when the conditions are bright and also the best way to identify fingerprints on a flat position. In LOS conditions, the best distance is at 4 meters with a delay value of 0.373 s and throughput of 3680.533 bps. In non-LOS condition, the best distance is 2 meters with a delay value of 0.380 seconds and throughput of 4055.73 bytes/s.
保险箱目前被认为是安全的,但并不真正安全。这是因为安全存储有一种使用pin码的安全方法,可以被其他人看到。因此,需要一个更安全的保险箱安全系统。本文设计了一个保险箱原型,并使用双向验证系统和集成物联网(IoT)系统增加了安全系统。本系统采用了人脸识别系统和指纹识别系统。人脸识别系统开发了一个LBP(局部二进制模式)澄清和嵌入式Haar级联程序在树莓派。为了实时监控,这个保险箱被设计成通过android应用程序的通知提供违规警报。双向验证智能保险箱具有良好的人脸识别系统,特别是在明亮的条件下,也是识别平面位置指纹的最佳方式。在LOS条件下,最佳距离为4米,延迟值为0.373 s,吞吐量为3680.533 bps。在非los条件下,最佳距离为2米,延迟值为0.380秒,吞吐量为4055.73字节/秒。
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引用次数: 2
Three Phase Induction Motor Dynamic Speed Regulation Using IP Controller 基于IP控制器的三相异步电动机动态调速
Satriya Herayudha Samudera, M. Rifadil, I. Ferdiansyah, Syechu Dwitya Nugraha, O. Qudsi, E. Purwanto
The speed of an induction motor is difficult to control, it happens because the torque and flux produced are not independent or related to each other so that they cannot maintain a constant speed when a load changes. Therefore, we need a control to increase the response of three-phase induction motors. This research applies IP controller and scalar control to regulate the motor speed with electric vehicle loads using SVPWM inverter (space vector pulse width modulation) to improve the inverter output signal so that it can adjust the speed of the induction motor when the load changes. System performance has been tested using Matlab. The simulation results show that the IP controller can improve the dynamic response system and reduce the overshoot value compared with the conventional PI controller. The speed change on the IP controller has succeeded in reaching the 1000 rpm set point with a rise time of 0.342 seconds at a steady state of 0.36 seconds and an overshoot of 2.830%. At a set point speed up to 800 Rpm, a stable condition is obtained with rise time of 0.12 seconds and an overshoot of 5.649%.
感应电动机的转速是难以控制的,因为产生的转矩和磁链不是相互独立或相互关联的,所以当负载发生变化时,它们不能保持恒定的转速。因此,我们需要一种控制来提高三相感应电动机的响应。本研究采用IP控制器和标量控制,利用SVPWM逆变器(空间矢量脉宽调制)对电动汽车负载下的电机转速进行调节,改善逆变器输出信号,使其在负载变化时能够调节感应电机的转速。利用Matlab对系统性能进行了测试。仿真结果表明,与传统的PI控制器相比,IP控制器可以改善系统的动态响应,降低超调值。IP控制器上的速度变化在0.36秒的稳态和2.830%的超调下,以0.342秒的上升时间成功达到1000 rpm设定点。当设定点转速为800rpm时,上升时间为0.12秒,超调量为5.649%,达到稳定状态。
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引用次数: 0
Facial Expression Recognition and Face Recognition Using a Convolutional Neural Network 基于卷积神经网络的面部表情识别和人脸识别
Suci Dwijayanti, Rahmad Rhedo Abdillah, Hera Hikmarika, Hermawati, Zaenal Husin, B. Suprapto
The human face can be used in various biometrics procedures to identify an individual through face recognition or for facial expression recognition. However, not many studies have addressed the problem of face recognition along with facial expression recognition. In addition, some studies have directed more attention to finding the most suitable feature to extract and feed to a classifier. This study focused on addressing the problem using a convolutional neural network (CNN)-based method. Unlike other methods that require suitable features to be found, this study utilized raw images as the input to the CNN. A total of 16,640 images showing four facial expressions (normal, smiling, surprised, and angry) were used as input data. These data were obtained from 52 people and captured under outdoor conditions (in midday and the afternoon) using a webcam. The CNN-VGG was utilized because it is deep and fast enough for both face recognition and facial expression recognition purposes. The results showed that the VGG-f model architecture could overcome the underfitting and overfitting problems stemming from simpler CNN architectures. The testing results showed that the VGG-f model could recognize faces and facial expressions well. The average accuracies achieved in recognizing 104 faces during the day and in the afternoon were 86.5% and 90.4%, respectively. Additionally, the average accuracies achieved in recognizing the four different facial expressions of 52 people were 72% and 74% during the day and at noon, respectively. Recognition errors may have been caused by similarities between images.
人脸可以用于各种生物识别程序,通过面部识别或面部表情识别来识别个人。然而,针对人脸识别和面部表情识别问题的研究并不多。此外,一些研究将更多的注意力放在寻找最合适的特征来提取和馈送给分类器上。本研究的重点是使用基于卷积神经网络(CNN)的方法来解决这个问题。与其他需要找到合适特征的方法不同,本研究使用原始图像作为CNN的输入。总共有16640张图像显示了四种面部表情(正常、微笑、惊讶和愤怒)作为输入数据。这些数据来自52人,并在室外条件下(中午和下午)使用网络摄像头拍摄。CNN-VGG的深度和速度足以满足人脸识别和面部表情识别的需要。结果表明,VGG-f模型架构可以克服简单CNN架构带来的欠拟合和过拟合问题。测试结果表明,VGG-f模型能够较好地识别人脸和面部表情。在白天和下午,104张人脸的平均识别准确率分别为86.5%和90.4%。此外,在白天和中午,识别52个人的四种不同面部表情的平均准确率分别为72%和74%。识别错误可能是由于图像之间的相似性造成的。
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引用次数: 3
Fruits Classification from Image using MPEG-7 Visual Descriptors and Extreme Learning Machine 基于MPEG-7视觉描述符和极限学习机的图像水果分类
J. Siswantoro, Heru Arwoko, M. Z. Siswantoro
Fruit image classification has several applications and can be used as alternative to traditionally fruit classification performed by human expert. This paper aims to propose fruits classification method from image using extreme learning machine (ELM), MPEG-7 visual descriptors, and principle component analysis (PCA). The optimum parameters of ELM and PCA were determined using grid search optimization. The best classification performance of 97.33% has been achieved in classifying Indonesian fruit images consisted of 15 classes. By applying the ensemble of ELMs, the classification accuracy was increased to 98.03%. This result shows that the proposed method produces high classification performance.
水果图像分类具有多种应用,可以替代传统的由人类专家进行的水果分类。本文提出了一种基于极限学习机(ELM)、MPEG-7视觉描述符和主成分分析(PCA)的水果图像分类方法。采用网格搜索优化确定了ELM和PCA的最优参数。对15类印度尼西亚水果图像进行分类,分类率达到97.33%。应用elm集成后,分类准确率提高到98.03%。结果表明,该方法具有较高的分类性能。
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引用次数: 3
期刊
2020 3rd International Seminar on Research of Information Technology and Intelligent Systems (ISRITI)
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