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2020 IEEE 2nd International Conference on Artificial Intelligence in Engineering and Technology (IICAIET)最新文献

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Going Big and Deep: Using Convolutional Neural Network to Leverage Training Data from Multiple Domains for Cross-Domain Sentiment Classification on Product Reviews 走向大而深入:使用卷积神经网络利用来自多个领域的训练数据对产品评论进行跨领域情感分类
Aditi Gupta, Jasy Liew Suet Yan, Cheah Yu-N
Training a classifier for sentiment polarity detection in product reviews when labeled data is not available for a particular domain poses a challenge, which can be addressed through cross-domain sentiment analysis. We experimented with Convolutional Neural Network (CNN) to learn sentiment polarity (positive or negative) from labeled data available in many different source domains and test its performance on a target domain that it is not trained on. Extensive experiments were conducted on 14 different domains using Amazon product reviews. Our preliminary findings show that cross-domain CNN models trained with multiple source domains achieved accuracy of above 80% across all the domains and outperform the in-domain models trained using limited labeled data from the same domain. In fact, the cross-domain CNN models demonstrated better performance when a larger number of source domains are used for training. Therefore, going deep and big is a promising direction to explore for cross-domain sentiment classification.
当特定领域的标记数据不可用时,在产品评论中训练用于情感极性检测的分类器是一个挑战,这可以通过跨领域情感分析来解决。我们用卷积神经网络(CNN)进行了实验,从许多不同源域中可用的标记数据中学习情绪极性(积极或消极),并测试其在未训练的目标域中的性能。我们利用亚马逊的产品评论在14个不同的领域进行了广泛的实验。我们的初步研究结果表明,使用多个源域训练的跨域CNN模型在所有域中的准确率都超过80%,并且优于使用来自同一域的有限标记数据训练的域内模型。事实上,当使用更多的源域进行训练时,跨域CNN模型表现出更好的性能。因此,做深做大是跨领域情感分类的一个很有前途的探索方向。
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引用次数: 0
Conceptual and design framework for smart stormwater filtration 智能雨水过滤的概念和设计框架
A. Ali, Mohd. Yazid Mohd. Anas Khan, N. Bolong, K. A. Maarof, Siti Hasnah Tanalol
Cost-effectiveness in monitoring stormwater quality is challenging in practice, particularly when it involves filtration mechanisms on-site. These challenges arise due to variance in stormwater characteristics, which are lead by rapid urbanization and improper waste management. Hence, an alternative conceptual and design framework of utilizing the concept of IoT (Internet of Things) in monitoring the real-time stormwater quality filtration is discussed. The stormwater quality can be monitored in real-time through data acquisition from wireless network technology in the IoT. ESP32 microcontroller is delegated as the central processing unit for the system. Then, collected data from the sensors of main water quality parameters, including temperature, pH, conductivity, water level, and turbidity, are processed and sent to the webserver while updating the collected data at specified time intervals. It can be remotely accessed via WiFi or GPRS protocol (when WiFi network is not available), regardless of the time and place.
在实践中,监测雨水质量的成本效益具有挑战性,特别是当它涉及到现场过滤机制时。这些挑战是由于快速城市化和不当废物管理导致的雨水特征的变化而产生的。因此,本文讨论了利用物联网(IoT)概念监测实时雨水质量过滤的另一种概念和设计框架。通过物联网无线网络技术的数据采集,可以实时监测雨水水质。ESP32微控制器被指定为系统的中央处理单元。然后,对温度、pH、电导率、水位、浊度等主要水质参数传感器采集到的数据进行处理后发送给web服务器,同时每隔一段时间更新采集到的数据。它可以通过WiFi或GPRS协议远程访问(当WiFi网络不可用时),无论时间和地点。
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引用次数: 1
Drowsiness detection using EEG and ECG signals 利用脑电图和心电信号检测睡意
S. Yaacob, Nur Afrina Izzati Affandi, P. Krishnan, Amir Rasyadan, M. Yaakop, Mohamed Fredj
Numerous studies show that driver drowsiness is one of the significant contributors which lead to fatal accidents. Regard to these problems; many hybrid measure detections is proposed using the physiological, behavioural as well as vehicle based. Nevertheless, the proposed model that associates behavioural-based and vehicle-based measure bounce to have a less significant impact on predicting drowsiness as the prediction is based on sensory located closed to the driver. Furthermore, finding drowsiness cannot rely on one single measure of signals. Therefore, this project aimed to produce a hybrid measure detection using multimodal bio signals as it is a gold standard and precisely in evaluating the human body signals. Utilizing the ULg multimodality drowsiness database (called DROZY) database, the electroencephalogram (EEG) and electrocardiogram (ECG) signals have been extracted to determine the drowsiness. k-nearest neighbor (KNN) produces better accuracy than support vector machine (SVM) on both datasets.
大量的研究表明,司机的困倦是导致致命事故的重要因素之一。关于这些问题;提出了许多基于生理、行为和车辆的混合测量检测方法。然而,所提出的模型将基于行为和基于车辆的测量相结合,对预测困倦的影响较小,因为预测是基于靠近驾驶员的感官。此外,发现困倦不能依赖于单一的信号测量。因此,本项目旨在利用多模态生物信号进行混合测量检测,因为它是评估人体信号的金标准。利用ULg多模态嗜睡数据库(DROZY),提取脑电图(EEG)和心电图(ECG)信号,确定嗜睡状态。k-最近邻(KNN)在两个数据集上都比支持向量机(SVM)产生更好的精度。
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引用次数: 4
Copyright 版权
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引用次数: 0
Stock Market Prediction using Ensemble of Deep Neural Networks 基于深度神经网络集成的股票市场预测
Lu Sin Chong, K. Lim, C. Lee
Stock market prediction has been a challenging task for machine due to time series analysis is needed. In recent years, deep neural networks have been widely applied in many financial time series tasks. Typically, deep neural networks require huge amount of data samples to train a good model. However, the data samples for stock market is limited which caused the networks prone to overfitting. In view of this, this paper leverages deep neural networks with ensemble learning to address this problem. We propose ensemble of Convolutional Neural Network (CNN), Long Short Term Memory (LSTM), and 1DConvNet with LSTM (Conv1DLSTM) to predict the stock market price, named EnsembleDNNs. The performance of the proposed EnsembleDNNs is evaluated with stock market of several companies. The experiment results show encouraging performance as compared to other baselines.
由于需要进行时间序列分析,股票市场预测一直是一项具有挑战性的任务。近年来,深度神经网络在许多金融时间序列任务中得到了广泛的应用。通常,深度神经网络需要大量的数据样本来训练一个好的模型。然而,由于股票市场的数据样本有限,导致网络容易出现过拟合。鉴于此,本文利用集成学习的深度神经网络来解决这一问题。我们提出卷积神经网络(CNN)、长短期记忆(LSTM)和带有LSTM (Conv1DLSTM)的1DConvNet的集成来预测股票市场价格,命名为EnsembleDNNs。最后,用几家公司的股票市场对所提出的集成神经网络的性能进行了评价。与其他基线相比,实验结果显示了令人鼓舞的性能。
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引用次数: 16
The Effectiveness of Data Augmentation for Melanoma Skin Cancer Prediction Using Convolutional Neural Networks 卷积神经网络在黑色素瘤皮肤癌预测中的数据增强效果
Kin Wai Lee, R. Chin
Melanoma skin cancer has been a serious threat due to its high fatality. For this reason, early detection and treatments are given more attention as countermeasures. In recent years, skin cancer detection has been utilizing artificial intelligence techniques, specifically deep convolutional neural network. However, the performance of the convolutional neural network is highly vulnerable to different data constraints, such as the quality and quantity of the data. Therefore, this study explores the synthetization of training data using different data augmentation methods. The work presented in this paper utilizes four different categories of data augmentation methods, which include geometrical transformation, noise addition, colour transformation, and image mix. Multiple layers data augmentation approach is also explored. Dataset expansion strategies and optimized dataset expansion scale are determined to improve the performance of the skin cancer classification. The core findings in our study revealed that single-layer augmentation has better performance than multiple layers augmentation approaches, where region of interest (ROI) image mix has the highest effectiveness compared to other methods. In addition, the best dataset expansion strategy is random ROI image mix. Finally, the optimized dataset expansion is determined at 300%, which yielded the best overall test accuracy at 82.9%, 4.6% improvement compared to unprocessed raw dataset.
黑色素瘤皮肤癌由于其高致死率一直是一个严重的威胁。因此,作为应对措施,早期发现和治疗受到更多的重视。近年来,皮肤癌检测一直在利用人工智能技术,特别是深度卷积神经网络。然而,卷积神经网络的性能极易受到不同数据约束的影响,例如数据的质量和数量。因此,本研究探索使用不同的数据增强方法对训练数据进行综合。本文介绍的工作采用了四种不同类型的数据增强方法,包括几何变换、噪声添加、颜色变换和图像混合。探讨了多层数据增强方法。确定数据集扩展策略和优化的数据集扩展规模,以提高皮肤癌分类的性能。本研究的核心发现表明,单层增强比多层增强方法具有更好的性能,其中感兴趣区域(ROI)图像混合比其他方法具有最高的有效性。此外,最佳的数据集扩展策略是随机的ROI图像混合。最后,优化的数据集扩展确定为300%,这产生了最佳的总体测试准确率为82.9%,与未处理的原始数据集相比提高了4.6%。
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引用次数: 9
Heart Rate Extraction from Photoplethysmography Signal: A Multi Model Machine Learning Approach 从光容积脉搏波信号中提取心率:一种多模型机器学习方法
Md. Sazal Miah, Shikder Shafiul Bashar, A. Z. Karim, Zahid Hasan
The purpose of this research is to estimate the heart rate (HR) from wearable gadgets, for example, fingertip gadgets. As the skin of finger-tip is slight, it is not difficult to separate pulse from that point. An optimistic component in this day, HR checking is Photoplethysmography (PPG). Moreover, during physical workout HR extraction precision is truly influenced by clamor and movement artifact (MA). To extract HR variability there are numerous ordinary techniques. In this research, a novel way is utilized to extract HR which is known as a multi-model machine learning technique. In this study, initially training and testing of our developed algorithm is done for various features and various dataset. In addition, separation of noisy and non noisy information is done by K means clustering. Then, the machine gain information from noisy and non noisy dataset. The Linear Regression model is utilized to estimate HR by using dataset. In this study, the feature engineering is also done, as it were, we choose an alternate set of features and know their conduct with our recommended technique and we discover error percentage for each set of features. There were 12 subject from where trial dataset were recorded. The root mean square (RMS) and the mean absolute error of HR was extracted. The lowest absolute mean error we find in this research is 3.06 beats per minute (BPM).
本研究的目的是估计心率(HR)从可穿戴设备,如指尖设备。由于指尖的皮肤较薄,从此处分离脉搏并不困难。在这个日子里,一个乐观的组成部分,HR检查是光电容积脉搏波(PPG)。此外,在运动过程中,噪声和运动伪影(MA)对HR提取精度的影响较大。为了提取人力资源可变性,有许多普通的技术。在本研究中,采用了一种新的方法来提取人力资源,即多模型机器学习技术。在本研究中,针对不同的特征和不同的数据集对我们开发的算法进行了初步的训练和测试。此外,通过K均值聚类对噪声和非噪声信息进行分离。然后,机器从有噪声和无噪声数据集中获取信息。采用线性回归模型对数据集进行人力资源估计。在本研究中,特征工程也完成了,我们选择了一组备用特征,并使用我们推荐的技术了解它们的行为,我们发现了每组特征的错误率。试验数据集记录了12名受试者。提取HR的均方根(RMS)和平均绝对误差。我们在这项研究中发现的最低绝对平均误差是每分钟3.06次。
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引用次数: 0
Acoustic Event Detection with MobileNet and 1D-Convolutional Neural Network 基于MobileNet和一维卷积神经网络的声事件检测
Pooi Shiang Tan, K. Lim, C. Lee, C. Tan
Sound waves are a form of energy produced by a vibrating object that travels through the medium that can be heard. Generally, the sound is used in human communication, music, alert, and so on. Furthermore, it also helps us to understand what are the events that occurring in the moment, and thereby, provide us hints to understand what is happening around us. This has prompt researchers to study on how humans understand what event is occurring based on the sound waves. In recent years, researchers also study on how to equip the machine with this ability, i.e. acoustic event detection. This study focuses on the acoustic event detection which leverage both frequency spectrogram technique and deep learning methods. Initially, a spectrogram image is generated from the acoustic data by using the frequency spectrogram technique. Then, the generated frequency spectrogram is fed into a pre-trained MobileNet model to extract robust features representations. In this work, 1 Dimensional Convolutional Neural Network (1D-CNN) is adopted to train a model for acoustic event detection. The feature representations are extracted from a pre-trained MobileNet. The proposed 1D-CNN consist of several alternatives of convolution and pooling layers. The last pooling layer is flattened and fed into a fully connected layer to classify the events. Dropout is employed to prevent overfitting. The proposed frequency spectrogram with pre-trained MobileNet and 1D-CNN is then evaluated with three datasets, which are Soundscapes1, Soundscapes2, and UrbanSound8k. From the experimental results, the proposed method obtained 81, 86, and 70 F1-score, for Soundscapes1, Soundscapes2, and UrbanSound8k, respectively.
声波是一种能量形式,是由振动的物体在可听到的介质中传播时产生的。一般来说,声音用于人类的交流、音乐、警报等。此外,它还帮助我们理解当下发生的事件,从而为我们提供理解周围发生的事情的线索。这促使研究人员研究人类如何根据声波来理解正在发生的事件。近年来,研究人员也在研究如何使机器具备这种能力,即声事件检测。本研究的重点是利用频谱图技术和深度学习方法进行声事件检测。首先,利用频谱图技术从声学数据生成频谱图图像。然后,将生成的频谱图输入到预训练的MobileNet模型中,提取鲁棒特征表示。本文采用一维卷积神经网络(1D-CNN)对声事件检测模型进行训练。特征表示是从预训练的MobileNet中提取的。提出的1D-CNN由卷积层和池化层的几种替代方案组成。最后一个池化层被平面化并馈送到一个完全连接的层中以对事件进行分类。采用Dropout来防止过拟合。然后用三个数据集(Soundscapes1、Soundscapes2和UrbanSound8k)对预训练的MobileNet和1D-CNN提出的频谱图进行评估。实验结果表明,该方法对Soundscapes1、Soundscapes2和UrbanSound8k分别获得81分、86分和70分的f1分。
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引用次数: 1
Feasibility Analysis of a Rule-Based Ontology Framework (ROF) for Auto-Generation of Requirements Specification 基于规则的本体框架用于需求规范自动生成的可行性分析
Amarilis Putri Yanuarifiani, Fang-Fang Chua, Gaik-Yee Chan
Writing requirements specification documents plays an important role in determining the success of information system development. To compile documents that are consistent, complete and in accordance with standards, both from a technical and business perspective require enough knowledge. Some previous approaches, such as GUI-F framework, propose automated requirements specification document creation with a variety of different methods. However, most of them do not provide detailed guidance on how stakeholders can identify their needs to support the company's business needs. In addition, some methods only focus on documenting high level requirements specification, such as use case diagram. As for the code development process, this only represents very basic information and lack of technical aspects. In our previous work, we proposed a Rule-Based Ontology Framework (ROF) for Auto-Generating Requirements Specification. ROF covers 2 processes in requirements engineering, namely: elicitation and documentation. The output of the elicitation process is a list of final requirements that are stored in an ontology structure, called Requirements Ontology (RO). Using RO, the documentation process automatically generates 2 outputs: process model in the Business Process Model and Notation (BPMN) standard and Software Requirements Specification (SRS) documents in the IEEE standard. The aim of this paper is to conduct a feasibility analysis to prove that ROF is feasible to be implemented in an Information System (IS) projects. ROF is implemented in a case study, an IS project that calculates lecturer workload activity at a university in Indonesia. The feasibility analysis is carried out in stages for each output using qualitative and quantitative methods. The results of the analysis show that that the framework is feasible to be implemented in the IS project to minimize effort in generating requirements specification.
编写需求说明文档对信息系统开发的成功起着重要的作用。从技术和业务的角度来看,要编写一致、完整和符合标准的文档需要足够的知识。以前的一些方法,例如GUI-F框架,提出了使用各种不同方法自动创建需求规范文档的方法。然而,他们中的大多数都没有提供详细的指导,说明利益相关者如何识别他们的需求来支持公司的业务需求。另外,一些方法只关注于记录高层次的需求规范,比如用例图。至于代码开发过程,这只代表了非常基本的信息,缺乏技术方面。在我们之前的工作中,我们提出了一个基于规则的本体框架(ROF)用于自动生成需求规范。ROF涵盖了需求工程中的两个过程,即:启发和文档化。启发过程的输出是存储在称为需求本体(requirements ontology, RO)的本体结构中的最终需求列表。使用RO,文档流程自动生成2个输出:业务流程模型和符号(BPMN)标准中的流程模型和IEEE标准中的软件需求规范(SRS)文档。本文的目的是进行可行性分析,以证明在信息系统(is)项目中实施ROF是可行的。ROF是在一个案例研究中实现的,这是一个计算印度尼西亚一所大学讲师工作量活动的is项目。采用定性和定量的方法,分阶段对每个产出进行可行性分析。分析结果表明,该框架在is项目中实现是可行的,可以最大限度地减少生成需求规范的工作量。
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引用次数: 2
Early driver drowsiness detection using electroencephalography signals 基于脑电图信号的早期驾驶员睡意检测
S. Yaacob, Nur Iman Zahra Muhamad'Arif, P. Krishnan, Amir Rasyadan, M. Yaakop, Mohamed Fredj
This study aims to provide a solution in determining the drowsiness state among drivers at the early stage. The revolving issue nowadays is the increasing number of traffic crashes due to drowsiness are considerably at an alarming stage. Drowsiness is a state of sleepiness, which leads to the lapse of attention and focuses. Numerous factors caused drowsiness, which can be determined through the biosignals of an individual. A thorough analysis of the bio-signals of drivers, which is the electroencephalogram (EEG), is applied as one of the solutions in handling drowsiness. EEG is significant in measuring drowsiness levels as it shows the electrical activity of the brain. This study analyzes driver behaviour by measuring the brain wave pattern to detect drowsiness. In this study, the brain signals from the subjects were collected using an EEG headset interfaced with the OpenBCI software. The subjective approach, namely, the Karolinska Sleepiness Scale (KSS), is performed to validate the data. This study involves signal processing in examining brain wave patterns by using MATLAB. An alpha frequency band is extracted from the estimation of power spectral density (PSD) using the periodogram method. Classification of all the extracted features by using a decision tree showed high accuracy ranges from 77.1%-97.20% for each of the subjects. Drowsiness managed to be determined based on increasing alpha power.
本研究旨在提供一种早期确定驾驶员困倦状态的解决方案。由于困倦引起的交通事故越来越多,这一问题目前已处于令人担忧的阶段。困倦是一种困倦的状态,它会导致注意力和焦点的转移。许多因素导致困倦,这可以通过个体的生物信号来确定。深入分析驾驶员的生物信号,即脑电图(EEG),作为处理困倦的解决方案之一。脑电图在测量困倦程度方面很重要,因为它显示了大脑的电活动。这项研究通过测量驾驶员的脑电波模式来检测驾驶员的睡意,从而分析驾驶员的行为。在本研究中,使用与OpenBCI软件接口的EEG耳机收集受试者的脑信号。采用主观方法,即卡罗林斯卡嗜睡量表(KSS)来验证数据。本研究利用MATLAB对脑电波模式进行信号处理。利用周期图法从功率谱密度(PSD)估计中提取α频带。使用决策树对提取的所有特征进行分类,准确率在77.1% ~ 97.20%之间。睡意是根据阿尔法能量的增加来确定的。
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引用次数: 1
期刊
2020 IEEE 2nd International Conference on Artificial Intelligence in Engineering and Technology (IICAIET)
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