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Hyper-Parameter Tuning in Deep Neural Network Learning 深度神经网络学习中的超参数整定
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121809
Tiffany Zhan
Deep learning has been increasingly used in various applications such as image and video recognition, recommender systems, image classification, image segmentation, medical image analysis, natural language processing, brain–computer interfaces, and financial time series. In deep learning, a convolutional neural network (CNN) is regularized versions of multilayer perceptrons. Multilayer perceptrons usually mean fully connected networks, that is, each neuron in one layer is connected to all neurons in the next layer. The full connectivity of these networks makes them prone to overfitting data. Typical ways of regularization, or preventing overfitting, include penalizing parameters during training or trimming connectivity. CNNs use relatively little pre-processing compared to other image classification algorithms. Given the rise in popularity and use of deep neural network learning, the problem of tuning hyperparameters is increasingly prominent tasks in constructing efficient deep neural networks. In this paper, the tuning of deep neural network learning (DNN) hyper-parameters is explored using an evolutionary based approach popularized for use in estimating solutions to problems where the problem space is too large to get an exact solution.
深度学习已经越来越多地应用于图像和视频识别、推荐系统、图像分类、图像分割、医学图像分析、自然语言处理、脑机接口和金融时间序列等各种应用中。在深度学习中,卷积神经网络(CNN)是多层感知器的正则化版本。多层感知器通常意味着完全连接的网络,即一层中的每个神经元都连接到下一层的所有神经元。这些网络的完全连接使它们容易产生过拟合数据。典型的正则化或防止过拟合的方法包括在训练期间惩罚参数或修剪连通性。与其他图像分类算法相比,cnn使用的预处理相对较少。随着深度神经网络学习的普及和应用,超参数的整定问题日益成为构建高效深度神经网络的重要任务。在本文中,深度神经网络学习(DNN)超参数的调优使用一种基于进化的方法进行了探索,这种方法被广泛用于估计问题空间太大而无法获得精确解的问题的解。
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引用次数: 0
A Context-Aware and Adaptive System to Automate the Control of the AC Windshield using AI and Internet of Things 使用人工智能和物联网自动控制空调挡风玻璃的环境感知和自适应系统
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121803
Joshua Tian, Y. Sun
In recent years, we have seen a huge increase in air conditioning usage [4]. However, much of this energy put into air conditioning is being wasted, which contributes to a far less environmentally friendly world and is inconvenient for many [5][6]. This paper develops a smart vent and a mobile app to regulate temperatures in different rooms of a home to create an efficient solution to save energy. This conservation of energy allows both the environment to be preserved as well as the financial burden of families in need to be alleviated. Controlled studies of the system provide evidence of the system's automated ability to be energy efficient.
近年来,我们看到空调的使用量大幅增加。然而,大部分用于空调的能源被浪费了,这导致了一个远不环保的世界,并给许多人带来了不便。本文开发了一个智能通风口和一个移动应用程序来调节家中不同房间的温度,以创造一个有效的节能解决方案。这种节约能源的做法既可以保护环境,也可以减轻有需要的家庭的经济负担。对该系统的受控研究提供了该系统自动化节能能力的证据。
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引用次数: 0
LabBuddy: A Game-based Interactive and Immersive Educational Platform for Physics Lab Learning using Artificial Intelligence and 3D Game Engine LabBuddy:一个基于游戏的交互式沉浸式物理实验室学习平台,使用人工智能和3D游戏引擎
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121814
Yu-Zi Ji, Mingze Gao, Yu Sun
The concepts of physics play an important role in many fields of people’s lives, and physics learning is abstract, challenging, and sometimes intimidating [1]. However, how to motivate students to learn physics in a fun way becomes a question. This paper develops a gamic, interactive, educational application to allow students to learn abstract physics in an illustrative way. We have implemented a visual physics lab by using a 3D game engine supporting the immersive environment of visualization and providing a playful learning tool for physics experiments at the same time [2].
物理概念在人们生活的许多领域中发挥着重要作用,而物理学习是抽象的、具有挑战性的,有时甚至令人生畏[1]。然而,如何以一种有趣的方式激发学生学习物理成为一个问题。本文开发了一个游戏式的、互动式的教育应用程序,让学生以一种说明性的方式学习抽象物理。我们通过使用3D游戏引擎实现了一个视觉物理实验室,该引擎支持沉浸式可视化环境,同时为物理实验提供了一个有趣的学习工具[2]。
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引用次数: 0
Anomaly Detection based on Alarms Data 基于告警数据的异常检测
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121810
Michel Kamel, Anis Hoayek, M. Batton-Hubert
Alarms data is a very important source of information for network operation center (NOC) teams to aggregate and display alarming events occurring within a network element. However, on a large network, a long list of alarms is generated almost continuously. Intelligent analytical reporting of these alarms is needed to help the NOC team to eliminate noise and focus on primary events. Hence, there is a need for an anomaly detection model to learn from and use historical alarms data to achieve this. It is also important to indicate the root cause of anomalies so that immediate corrective action can be taken. In this paper, we aim to design an anomaly detection model in the context of alarms data (categorical data) in the field of telecommunication and that can be used as a first step for further root cause analysis. To do this, we introduce a new algorithm to derive four features based on historical data and aggregate them to generate a final score that is optimized through supervised labels for greater accuracy. These four features reflect the likelihood of occurrence of events, the sequence of events and the importance of relatively new events not seen in the historical data. Certain assumptions are tested on the data using the relevant statistical tests. After validating these assumptions, we measure the accuracy on labelled data, revealing that the proposed algorithm performs with a high anomaly detection accuracy.
告警数据是网络运营中心(NOC)团队聚合和显示网元内发生的告警事件的重要信息来源。但是,在大型网络中,几乎连续不断地产生一长串告警。需要对这些警报进行智能分析报告,以帮助NOC团队消除噪音并专注于主要事件。因此,需要一个异常检测模型来学习和使用历史告警数据来实现这一点。指出异常的根本原因也很重要,这样可以立即采取纠正措施。在本文中,我们的目标是在电信领域的报警数据(分类数据)的背景下设计一个异常检测模型,该模型可以作为进一步根本原因分析的第一步。为此,我们引入了一种新算法,该算法基于历史数据导出四个特征,并将它们汇总以生成最终分数,该分数通过监督标签进行优化,以获得更高的准确性。这四个特征反映了事件发生的可能性、事件的顺序以及在历史数据中未见的相对较新的事件的重要性。使用相关的统计检验对数据进行某些假设检验。在验证了这些假设之后,我们测量了标记数据的准确性,表明所提出的算法具有很高的异常检测精度。
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引用次数: 0
An Approach using Machine Learning Model for Breast Cancer Prediction 基于机器学习模型的乳腺癌预测方法
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121815
Fatema Nafa, Enoc Gonzalez, Gurpreet Kaur
Breast cancer is one of the most common diseases that causes the death of several women around the world. So, early detection is required to help decrease breast cancer mortality rates and save the lives of cancer patients. Hence early detection is a significant process to have a healthy lifestyle. Machine learning provides the greatest support to detect breast cancer in the early stage, since it cannot be cured and brings great complications to our health system. In this paper, novel models are generated for prediction of breast cancer using Gaussian Naive Bayes (GNB), Neighbour’s Classifier, Support Vector Classifier (SVC) and Decision Tree Classifier (CART). This paper presents a comparative machine learning study based to detect breast cancer by employing four different Machine Learning models. In this paper, experiment analysis carried out on a Wisconsin Breast Cancer dataset to evaluate the performance for the models. The computation of the model is simple; hence enabling an efficient process for prediction. The best overall accuracy for breast cancer detection is achieved equal to 94%. using Gaussian Naive Bayes.
乳腺癌是世界上导致许多妇女死亡的最常见疾病之一。因此,早期检测有助于降低乳腺癌死亡率,挽救癌症患者的生命。因此,早期发现是保持健康生活方式的重要过程。机器学习为早期发现乳腺癌提供了最大的支持,因为它无法治愈,并给我们的卫生系统带来了巨大的并发症。本文使用高斯朴素贝叶斯(GNB)、邻居分类器、支持向量分类器(SVC)和决策树分类器(CART)生成新的乳腺癌预测模型。本文通过采用四种不同的机器学习模型,提出了一种基于检测乳腺癌的比较机器学习研究。本文通过对威斯康星州乳腺癌数据集的实验分析来评估模型的性能。该模型计算简单;因此,能够有效地进行预测。乳腺癌检测的最佳总体准确率达到94%。使用高斯朴素贝叶斯。
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引用次数: 0
Low-Carbon Innovation Decision Considering Quality Differences and Government Subsidies under the Three-Party Trading Platform 三方交易平台下考虑质量差异和政府补贴的低碳创新决策
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121823
Xu Wang, Longzhen Zhou, Zusheng Zhang, Yingbo Wu, Longxi Li
In the context of low-carbon innovation, reasonable subsidy, innovation, and pricing strategies are important to achieve resource decarbonization and supply-demand matching, while the quality differentiation of resources has a significant impact on the strategy formulation. In this paper, we study low-carbon innovation and government subsidy in different innovation scenarios with two providers offering differentiated manufacturing resources on a resource trading platform, integrating two variables of resource quality difference and demand-side lowcarbon preference. Using utility theory and the Stackelberg game, a decision model of low carbon innovation and government subsidy is constructed, and the equilibrium solution is obtained with inverse induction. Then, the low-carbon innovation and subsidy strategies under different innovation scenarios are compared and the effects of relative coefficients of quality and innovation cost coefficients on the strategies are analyzed. The findings show that when the difference in resource quality is small, the level of green innovation is higher in the low carbon innovation scenario with high-quality resources compared to the low carbon innovation scenario with low-quality resources, and the rate of government subsidy for innovation investment is also higher. In case of the large difference in resource quality, the relative magnitudes of green innovation level and government subsidy rate for innovation inputs in different scenarios are related to innovation cost coefficients.
在低碳创新背景下,合理的补贴、创新和定价策略是实现资源脱碳和供需匹配的重要手段,而资源的质量差异化对策略的制定有重要影响。本文整合资源质量差异和需求侧低碳偏好两个变量,研究了在资源交易平台上,两家供应商提供差异化制造资源的不同创新场景下,低碳创新与政府补贴的关系。运用效用理论和Stackelberg博弈理论,构建了低碳创新与政府补贴的决策模型,并运用逆归纳法得到了均衡解。然后,比较了不同创新情景下的低碳创新和补贴策略,并分析了质量相对系数和创新成本系数对策略的影响。研究结果表明,在资源质量差异较小的情况下,拥有优质资源的低碳创新情景的绿色创新水平高于拥有低质量资源的低碳创新情景,政府对创新投资的补贴率也更高。在资源质量差异较大的情况下,不同情景下绿色创新水平和政府创新投入补贴率的相对大小与创新成本系数相关。
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引用次数: 0
The NP-Completeness of Quay Crane Scheduling Problem 码头起重机调度问题的np -完备性
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121802
A. Skaf, Samir Dawaliby, Arezki Aberkane
This paper discusses the computational complexity of the quay crane scheduling problem (QCSP) in a maritime port. To prove that a problem is NP-complete, there should be no polynomial time algorithm for the exact solution, and only heuristic approaches are used to obtain near-optimal solutions but in reasonable time complexity. To address this, first we formulate the QCSP as a mixed integer linear programming to solve it to optimal, and next we theoretically prove that the examined problem is NP-complete.
本文讨论了港口码头起重机调度问题的计算复杂度。为了证明一个问题是np完全的,不应该有精确解的多项式时间算法,而只能使用启发式方法在合理的时间复杂度下获得接近最优解。为了解决这个问题,我们首先将QCSP表述为一个混合整数线性规划来求解到最优,然后我们从理论上证明了所检查的问题是np完全的。
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引用次数: 0
An Intelligent and Social-Oriented Sentiment Analytical Model for Stock Market Prediction using Machine Learning and Big Data Analysis 基于机器学习和大数据分析的股票市场预测智能和面向社会的情绪分析模型
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121819
Muqing Bai, Yu Sun
In an era of machine learning, many fields outside of computer science have implemented machine learning as a tool [5]. In the financial world, a variety of machine learning models are used to predict the future prices of a stock in order to optimize profit. This paper preposes a stock prediction algorithm that focuses on the correlation between the price of a stock and its public sentiments shown on social media [6].We trained different machine learning algorithms to find the best model at predicting stock prices given its sentiment. And for the public to access this model, a web-based server and a mobile application is created. We used Thunkable, a powerful no code platform, to produce our mobile application [7]. It allows anyone to check the predictions of stocks, helping people with their investment decisions.
在金融领域,各种各样的机器学习模型被用来预测股票的未来价格,以优化利润。本文提出了一种股票预测算法,主要关注社交媒体上的股票价格与公众情绪之间的相关性[6]。我们训练了不同的机器学习算法,以找到预测股票价格的最佳模型。为了让公众访问这个模型,我们创建了一个基于web的服务器和一个移动应用程序。我们使用了Thunkable(一个强大的无代码平台)来制作我们的移动应用程序[7]。它允许任何人查看股票预测,帮助人们做出投资决策。
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引用次数: 0
F-low: A Promising Countermeasure Against DDoS Attacks based on Split Sketch and PCA F-low:一种基于分割草图和PCA的DDoS攻击防范方法
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121821
Fei Wang, Zhenxi Li, Xiaofeng Wang
Distributed Denial of Service (DDoS) is Achilles' heel of cloud security. This paper thus focuses on detection of such attack, and more importantly, victim identification to promote attack reaction. We present a collaborative system, called F-LOW. Profiting from bitwise-based hash function, split sketch, and lightweight IP reconstruction, F-LOW can defeat shortcomings of principle component analysis (PCA) and regular sketch. Outperforming previous work, our system fits all Four-LOW properties, low profile, low dimensional, low overhead and low transmission, of a promising DDoS countermeasure. Through simulation and theoretical analysis, we demonstrate such properties and remarkable efficacy of our approach in DDoS mitigation.
分布式拒绝服务(DDoS)是云安全的致命弱点。因此,本文的重点是检测此类攻击,更重要的是识别受害者,以促进攻击反应。我们提出了一个协作系统,叫做F-LOW。利用基于位的哈希函数、分割草图和轻量级IP重构,F-LOW可以克服主成分分析(PCA)和常规草图的缺点。优于以往的工作,我们的系统符合所有四低特性,低姿态,低维,低开销和低传输,一个有前途的DDoS对策。通过仿真和理论分析,我们证明了这些特性和我们的方法在DDoS缓解方面的显着效果。
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引用次数: 0
Image Segmentation in Shape Synthesis, Shape Optimization, And Reverse Engineering 形状合成、形状优化和逆向工程中的图像分割
Pub Date : 2022-10-29 DOI: 10.5121/csit.2022.121824
M. Ćurković, A. Curkovic, D. Vucina, D. Samardžić
Image segmentation and segmentation of geometry are one of the basic requirements for reverse engineering, shape synthesis, and shape optimization. In terms of shape optimization and shape synthesis where the original geometry should be faithfully replaced with some mathematical parametric model (NURBS, hierarchical NURBS, T-Spline, …) segmentation of geometry may be done directly on 3D geometry and its corresponding parametric values in the 2D parametric domain. In our approach, we are focused on segmentation of 2D parametric domain as an image instead of 3D geometry. The reason for this lies in our dynamic hierarchical parametric model, which controls the results of various operators from image processing applied to the parametric domain.
图像分割和几何分割是逆向工程、形状综合和形状优化的基本要求之一。在形状优化和形状综合中,需要用一些数学参数模型(NURBS、分层NURBS、t样条等)忠实地代替原始几何形状,可以直接在二维参数域中对三维几何及其相应的参数值进行几何分割。在我们的方法中,我们专注于将2D参数域分割为图像,而不是3D几何形状。其原因在于我们的动态分层参数模型,该模型控制了应用于参数域的图像处理的各种算子的结果。
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引用次数: 0
期刊
Artificial intelligence and applications (Commerce, Calif.)
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