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2020 International Seminar on Application for Technology of Information and Communication (iSemantic)最新文献

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Analysis of Amplitude Threshold on Speech Recognition System 语音识别系统中幅度阈值分析
Risanuri Hidayat, A. Winursito
Development of speech recognition systems continues to be carried out by many researchers. In many researches, system recognition accuracy is still as a main point which need to be improved. In addition to accuracy, systems algorithms computational time also becomes an important point that must be considered in developing a speech recognition system. This paper carries out a research on an analysis of initial processing stages in a speech recognition system. The initial processing stage of a speech recognition system is filtering which includes threshold analysis of filter and number of speech signal indicator data cuts. Research was carried out by testing range values of threshold and speech signal data cuts as well as observing effect of speech recognition systems accuracy. This research employed Mel Frequency Cepstral Coefficients (MFCC) as a feature extraction method, while the Euclidean distance method was used for classification. Results show that threshold values and number of speech signal data cuts affect speech recognition systems accuracy level. The highest speech recognition system accuracy is of 90% and is achieved at threshold value of 0.025, and of 3600 data cuts length. In addition, computational time of speech recognition system algorithm also influences speech signal data numbers used in computing process.
语音识别系统的开发继续由许多研究人员进行。在许多研究中,系统的识别精度仍然是一个需要提高的主要问题。除了精度之外,系统算法的计算时间也成为开发语音识别系统必须考虑的一个重要问题。本文对语音识别系统中初始处理阶段的分析进行了研究。语音识别系统的初始处理阶段是滤波,包括滤波的阈值分析和语音信号指标数据的切割次数。通过测试阈值范围值和语音信号数据切割,观察语音识别系统准确率的影响,进行了研究。本研究采用Mel频率倒谱系数(MFCC)作为特征提取方法,欧几里得距离法进行分类。结果表明,阈值和语音信号数据切割次数影响语音识别系统的精度水平。在阈值为0.025和3600个数据切割长度时,语音识别系统的最高准确率为90%。此外,语音识别系统算法的计算时间也会影响计算过程中使用的语音信号数据数。
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引用次数: 1
The Route Guidance System using Android-Based Navigation to Determine the Shortest Potatoes Distribution Route 基于android导航的路线引导系统,确定土豆配送的最短路线
R. Yusianto, Marimin Marimin, Suprihatin, H. Hardjomidjojo
At present, post-harvest loss is an increasingly interesting issue. When farmers have used quality seeds, improved on-farm handling and advanced harvesting technology, the researchers began to focus on post-harvest problems. In Indonesia, the potatoes post-harvest loss is high at 32.8 kg/ton. Transportation and distribution problems have an effect of 20.43%. The contribution of this research is an Android-based advanced navigation system based on navigation radius for the route guidance system (RGS). We used the Dijkstra algorithm which we combined with latitude and longitude-based dynamic maps using Google APIs server for determining the shortest potatoes distribution route. To optimize the distance of the navigation radius, we used the radians approach on dynamic coordinates. The route that we calculated was all the nodes that were in the navigation radius. We can display distribution centers (DC) at a certain radius with the Google Maps fragment activity that embedded into the application and navigate to that place. So this method made it easy for decision makers to distribute their potatoes via the shortest route. The RGS using an android-based navigation that we proposed was implemented on a mobile application, and a comparison with the classical Dijkstra algorithm was performed. The results showed that this navigation system was better, more reliable with an accuracy rate of 99.83%. This proved that the android-based navigation system that we developed can be used. For future research, spatial analysis needs to be considered.
目前,收获后损失是一个越来越有趣的问题。当农民使用了优质的种子,改进了农场处理和先进的收获技术后,研究人员开始关注收获后的问题。在印度尼西亚,马铃薯收获后损失高达每吨32.8公斤。运输配送问题的影响为20.43%。本研究的贡献是基于android的基于导航半径的高级导航系统,用于路线引导系统(RGS)。我们使用Dijkstra算法结合基于纬度和经度的动态地图,使用谷歌api服务器来确定最短的土豆分配路线。为了优化导航半径的距离,我们在动态坐标上使用了弧度法。我们计算的路线是导航半径内的所有节点。我们可以使用嵌入到应用程序中的谷歌Maps片段活动显示某个半径范围内的分销中心(DC),并导航到该位置。因此,这种方法使决策者更容易通过最短的路线分发土豆。我们提出的基于android导航的RGS在移动应用上实现,并与经典的Dijkstra算法进行了比较。结果表明,该导航系统性能更好、更可靠,准确率达99.83%。这证明了我们开发的基于android的导航系统是可以使用的。对于未来的研究,需要考虑空间分析。
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引用次数: 2
A New Model of Landslide Prone Map Using a Combination of Scoring and Polygon Thiessen Methods 基于计分法和多边形泰森法的滑坡易发图新模型
K. Hartomo, Dhimas Rizaldhi
Landslide is an activity from balance disruption which triggers the movement of a mass of soil and rock down a sloped section of land. Boyolali Regency is one of 35 regencies in Central Java Province which has high vulnerability to landslide. In order to reduce the number of casualties and property loss, this study aims to create a new model of landslide prone area map using the parameters which cause landslide, such as rainfall, soil types, drainage, slope, and land cover. The parameters are processed and analyzed using the combination of the scoring method and the polygon thiessen method. The scoring method is implemented to determine landslide prone areas, while the polygon thiessen method is applied to do the overlay and spatial mapping of landslide prone areas. The hypothesis proposed in this study is that the combination of scoring method and the polygon thiessen can map landslide prone areas in Boyolali Regency accurately. The result of the study shows that the model of the landslide prone area’s accuracy is 83.3%. The landslide prone area map shows the four sub districts in Boyolali Regency which meet the criteria of high landslide vulnerability level are Solo, Ampel, Musuk and Cepogo Sub Districts.
滑坡是一种由平衡破坏引起的活动,它会引发大量的土壤和岩石沿着倾斜的土地移动。博约拉里县是中爪哇省35个易受滑坡影响的县之一。为了减少人员伤亡和财产损失,本研究拟利用引起滑坡的降雨、土壤类型、排水、坡度、土地覆盖等参数,建立新的滑坡易发区地图模型。采用评分法和多边形分层法相结合的方法对参数进行处理和分析。采用评分法确定滑坡易发区域,采用多边形分层法对滑坡易发区域进行叠加和空间制图。本研究提出的假设是,将评分法与多边形thiessen相结合,可以准确地绘制博约拉利县滑坡易发区的地图。研究结果表明,该滑坡易发区模型的准确率为83.3%。滑坡易发区地图显示了博约拉利县满足高滑坡易发等级标准的四个街道,分别是Solo、Ampel、Musuk和Cepogo街道。
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引用次数: 0
Hexagonal Patch Microstrip Antenna with Parasitic Element for Vehicle Communication 车载通信用带寄生元件的六角形贴片微带天线
Jimi Prasojo, R. Sarno
In this paper, a compact conformal antenna is proposed for vehicle to X (V2X) communication applications. The Hexagonal-shaped geometry is applied in the design to attain desired band in the vehicular communication spectrum. The proposed dimension antenna is 50mm x 50mm x 1.6 mm. By loading the hexagonal patch and annular slot with different sizes at each angle, it realizes to enhance bandwidth and increase the gain. This article explains how we found that tuning and overlapping of resonant frequency was mainly achieved by hexagonal parasitic element. The prototype antenna had been design using Ansys HFSS v.15. The simulation result shows that the antenna had resonant frequency at 5.9 GHz with return loss value of 32.95 dB. The antenna had VSWR value of 1.0189. This microstrip antenna had thickness of 1.6 mm, so it should be easy to fit up hidden in front of a vehicle for vehicular communication.
本文提出了一种适用于车对X (V2X)通信的紧凑型共形天线。在设计中采用了六边形的几何形状,以获得车辆通信频谱所需的频带。建议天线尺寸为50mm × 50mm × 1.6 mm。通过在每个角度加载不同尺寸的六角形贴片和环形缝隙,实现了带宽的增强和增益的增加。本文解释了我们如何发现共振频率的调谐和重叠主要是通过六边形寄生元件实现的。采用Ansys HFSS v.15软件对天线原型进行了设计。仿真结果表明,该天线谐振频率为5.9 GHz,回波损耗值为32.95 dB。天线的驻波比为1.0189。这种微带天线的厚度为1.6毫米,因此可以很容易地隐藏在车辆前方,用于车辆通信。
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引用次数: 0
Event Classification in Surabaya on Twitter with Support Vector Machine 支持向量机在推特上的泗水事件分类
Drajad Bima Ajipangestu, R. Sarno
Twitter is a social media that is often used by many people in the world. The information is spread and obtained through social media. For example, there is a company that is organizing a new event that many people need to know. This allows the creation of a system that supports the presentation of user information by detecting certain events from Twitter's social media data. In this study, tweet data will be retrieved using Twitter API and stored in JSON format. Furthermore, there will be a pre-processing which includes the deletion of characters, number, URL, stemming, and lower case. Furthermore, feature extraction is performed using Global Vector for Word Representation. we will classify into four classes, which are Competitions, Seminars, Festivals, and Other events. The classification is using SVM to predict the type of event. There are three experimental methods used, there is SVM C, SVM linear, and SVM Nu. SVM Nu was conducted with changes in the SVC parameters in the form of kernel and Nu to produce the best accuracy. Based on the experiments we have done, the best results are obtained with an accuracy of 85.2% by classification using the NuSVC method with an RBF kernel and nu parameter of 0.2.
推特是世界上许多人经常使用的社交媒体。信息通过社交媒体传播和获取。例如,有一家公司正在组织一个很多人都需要知道的新活动。这允许创建一个系统,该系统通过检测Twitter社交媒体数据中的某些事件来支持用户信息的表示。在本研究中,Twitter数据将使用Twitter API进行检索,并以JSON格式存储。此外,还会有一个预处理,包括删除字符、数字、URL、词干和小写字母。此外,使用全局向量进行特征提取。我们将分为四类,分别是竞赛、研讨会、节日和其他活动。分类是利用支持向量机来预测事件的类型。采用了三种实验方法,分别是SVM C、SVM线性和SVM Nu。以核和Nu的形式改变SVC参数进行SVM Nu,以获得最佳精度。根据实验结果,采用RBF核和nu参数为0.2的NuSVC方法进行分类,准确率达到85.2%。
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引用次数: 1
Implementation of LSB-RSA Algorithm for the Authenticity of the JPG File Certificate JPG文件证书真实性的LSB-RSA算法实现
Hesti Putri Winasih, Eko Hari Rachmawanto, C. A. Sari, De Rosal Ignatius Moses Setiadi
In an institution, the issue of a certificate document cannot be separated. Now, the development of technology makes certificate documents not only issued in paper form but can also be published online. The document must have security to prove its authenticity. If the document of the paper certificate there is a serial number or unique code to prove its authenticity, online certificate documents must also have a unique code to prove their authenticity. In this study, the LSB and RSA methods are used to prove the authenticity of the certificate. The secret message on the certificate document will be encrypted using the RSA algorithm. Encrypted messages will be entered into digital images using the LSB method. The results are represented in measurements, MSE (Mean Square Error), PSNR (Peak Signal to Noise Ratio), and BER (Bit Error Ratio). The combination of algorithms in this study produced very good values, the average PSNR value reached 73,4252 dB and an average value of BER equal to 1.4939.
在一个机构中,证书文件的签发是不可分割的。现在,技术的发展使得证书文件不仅以纸质形式发布,而且可以在网上发布。该文件必须有保证书以证明其真实性。如果纸质证书的文件有序列号或唯一代码来证明其真实性,则在线证书文件也必须有唯一代码来证明其真实性。在本研究中,使用LSB和RSA方法来证明证书的真实性。证书文档上的秘密消息将使用RSA算法进行加密。加密的信息将使用LSB方法输入到数字图像中。结果用测量值MSE(均方误差)、PSNR(峰值信噪比)和BER(误码率)表示。本研究的算法组合产生了非常好的值,平均PSNR值达到73,4252 dB,平均BER值为1.4939。
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引用次数: 2
Evaluation of Feature Extraction for Indonesian News Classification 印尼语新闻分类特征提取的评价
Kevin Djajadinata, Hussein Faisol, G. F. Shidik, Muljono, A. Z. Fanani
News is information about knowledge or event that occurs within a certain period. In the text news, there are several categories can be classified. This research proposes an evaluation of feature extraction to classify Indonesian language news. The dataset are from www.cnnindonesia.com (May 2018 - July 2018) with 4 categories and has a total of 3677 data and www.liputan6.com with 4 categories and has a total of 3415 data. All existing data will be processed to structured form and then the feature is extracted with 8 feature extraction method (TF, TF-IDF, TF-RF, TF-Prob, TF-CHI, TF-IDF-ISCDF, TF-IGM, and RTF-IGM) combined with 6 classification algorithms (Gaussian Naïve Bayes, k-NN, Decision Tree, Neural Network, Logistic Regression, and Support Vector Machine). From this research can be concluded that the Gaussian Naïve Bayes algorithm with TF-Prob was able to obtain the best accuracy with 99.701% (CNN Indonesia) and 99.824% (Liputan6) from 5 fold cross-validation.
新闻是关于某一时期内发生的知识或事件的信息。在文本新闻中,有几个类别可以分类。本研究提出一种评价印尼语新闻分类的特征提取方法。数据集来自www.cnnindonesia.com(2018年5月- 2018年7月),共4类,共3677条数据;www.liputan6.com有4类,共3415条数据。将所有现有数据处理成结构化形式,然后使用8种特征提取方法(TF、TF- idf、TF- rf、TF- prob、TF- chi、TF- idf - iscdf、TF- igm、RTF-IGM)结合6种分类算法(高斯Naïve贝叶斯、k-NN、决策树、神经网络、逻辑回归、支持向量机)进行特征提取。从本研究中可以得出,经过5次交叉验证,使用TF-Prob的高斯Naïve Bayes算法能够获得最佳准确率,分别为99.701% (CNN Indonesia)和99.824% (Liputan6)。
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引用次数: 1
Sentiment Analysis about Product and Service Evaluation of PT Telekomunikasi Indonesia Tbk from Tweets Using TextBlob, Naive Bayes & K-NN Method 基于TextBlob、朴素贝叶斯和K-NN方法的印尼电信Tbk推文产品和服务评价情感分析
Reza Hermansyah, R. Sarno
Online reviews are very important for any business that wants to control its online reputation. This allows businesses to have active and positive participation from consumers. As an information and communication company in Indonesia PT Telekomunikasi Indonesia Tbk commonly called Telkom require a customer’s perspective or review to maintain the relevance of their digital products on the market. One method often used to analyze online reviews is sentiment analysis. Sentiment Analysis is used to gain an understanding of the opinions, attitudes, and emotions expressed in the mention of online by determining the emotional tone behind a series of words.This research tries to compare classifications in sentiment analysis of Telkom’s product from consumer reviews written in the form of tweets on Twitter. Each tweet about Telkom digital products such as Indihome, UseeTV, and Wifi.id will be collected as data. The use of classification types will be compared to help with the accuracy of sentiment analysis based on three types of methods TextBlob, Naïve Bayes & K-NN (K-Nearest Neighbor).The best result of this research is the K-NN algorithm with an accuracy score of 75% followed by Naïve Bayes 69.44% and the last is TextBolb with 54.67%.
在线评论对于任何想要控制其在线声誉的企业来说都是非常重要的。这使得企业能够得到消费者的积极参与。作为印度尼西亚的一家信息和通信公司,PT Telekomunikasi Indonesia Tbk通常被称为Telkom,需要客户的观点或审查,以保持其数字产品在市场上的相关性。情感分析是一种常用的在线评论分析方法。情感分析是通过确定一系列词语背后的情感基调,来了解网络话题中所表达的观点、态度和情感。本研究试图从推特上以推文形式写的消费者评论中比较电信产品的情感分析分类。每条关于电信数字产品的推文,如Indihome、UseeTV和Wifi。Id将作为数据收集。将基于TextBlob、Naïve贝叶斯和K-NN (k -最近邻)三种方法比较分类类型的使用,以帮助提高情感分析的准确性。本研究结果最好的是K-NN算法,准确率为75%,其次是Naïve Bayes 69.44%,最后是TextBolb,准确率为54.67%。
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引用次数: 5
Maintainability Measurement and Evaluation of myITS Mobile Application Using ISO 25010 Quality Standard 基于ISO 25010质量标准的myITS移动应用可维护性测量与评价
Mutia Rahmi Dewi, Nafingatun Ngaliah, S. Rochimah
Academic Information System (AIS) has become a mandatory application for universities nowadays. AIS is an academic information system that was built to provide convenience to users in campus's academic administration activities by online. Therefore, AIS must be a system that has good service quality. The many software quality standards that exist today show the importance of achieving software quality. The purpose of this study is to evaluate FRS module's maintainability quality measurements results in myITS application which can be used as a reference in further development. Quality software information that can be measured such as the amount of functions, the amount of lines of code, complexity, the amount of errors, and trials used to support management planning, organizing, implementing, and controlling. The research methods used consist of reverse engineering, quality matrix analysis, system quality testing, and evaluation. This research focuses on maintainability quality standards based on ISO 25010. The results of this study stated that the FRS module in the myITS application has good maintainability quality, this is evidenced by the quality score of the myITS Lecturer at 2.670 and myITS Student at 2.083.
学术信息系统(AIS)已成为当今大学的强制性应用。AIS是为了方便用户在网上进行校园教务管理活动而建立的一个学术信息系统。因此,AIS必须是一个具有良好服务质量的系统。今天存在的许多软件质量标准显示了实现软件质量的重要性。本研究的目的是评估在myITS应用中FRS模块的可维护性质量测量结果,为进一步的开发提供参考。可以度量的质量软件信息,例如功能的数量、代码行的数量、复杂性、错误的数量,以及用于支持管理计划、组织、实现和控制的试验。研究方法包括逆向工程、质量矩阵分析、系统质量测试和评价。本研究的重点是基于ISO 25010的可维护性质量标准。本研究结果表明,myITS应用程序中的FRS模块具有良好的可维护性质量,myITS讲师质量得分为2.670,myITS学生质量得分为2.083。
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引用次数: 1
Food Commodity Price Prediction in East Java Using Extreme Learning Machine (ELM) Method 基于极限学习机(ELM)方法的东爪哇粮食商品价格预测
Triyanna Widiyaningtyas, Ilham Ari Elbaith Zaeni, Tyas Ismi Zahrani
Fluctuations in food commodities price in East Java Province cause various negative impacts when there are significant changes. To avoid this problem, it is necessary to predict food commodities prices to prevent high price increases. This study aims to apply the Extreme Learning Machine (ELM) method to predict the price of staple food commodities in East Java Province and measure the performance of the ELM in predicting staple food commodities price. The ELM is a method develop from feedforward Artificial Neural Networks (ANN) with one hidden layer or commonly called Single Hidden Layer Feedforward Neural Networks (SLFNs). The prediction process of staple food commodities is carried out using 3 data features, 7 neurons, and composition of training and testing data is 80%: 20%. The results showed that the average level of prediction accuracy for all staple food commodities was 98.79%. This shows that the prediction error is very low, ie the predicted results approach the actual value.
东爪哇省粮食商品价格的波动在发生重大变化时造成各种负面影响。为了避免这个问题,有必要预测粮食商品的价格,以防止价格的高上涨。本研究旨在运用极限学习机(Extreme Learning Machine, ELM)方法预测东爪哇省主粮价格,并衡量极限学习机预测主粮价格的效果。ELM是由具有一个隐藏层的前馈人工神经网络(ANN)发展而来的一种方法,通常称为单隐藏层前馈神经网络(SLFNs)。主食商品的预测过程使用3个数据特征,7个神经元,训练和测试数据的组成为80%:20%。结果表明,所有主粮商品的平均预测准确率为98.79%。这说明预测误差很低,即预测结果接近实际值。
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引用次数: 5
期刊
2020 International Seminar on Application for Technology of Information and Communication (iSemantic)
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