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2022 International Conference on Decision Aid Sciences and Applications (DASA)最新文献

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Post Covid-19 Strategy Through Supporting Teacher Digital Literacy as the Sustainable Decision to Enhance Education System: Indonesia Case Study 通过支持教师数字素养作为加强教育体系的可持续决策的后Covid-19战略:印度尼西亚案例研究
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765309
Indah Wigati, Mia Fithriyah
For the world of education, including students, instructors, and policymakers for adoption of digital literacy has now become a key concern. Teachers must be aware of the importance of mastering digital literacy in the learning experience. After the Covid-19 epidemic, this research intends to examine educator knowledge of the application of digital literacy in the learning process. The study employs a quantitative descriptive technique to carefully review the types of teacher digital literacy awareness, supportive factors in the usage of digital literacy, and the consequences of tutor computer literacy recognition following the Covid 19 epidemic. The research process was conducted in the Islamic Public Senior High School (MAN) in Palembang, Sumatra. The consistent findings indicated that positive' competence of digital literacy was significant in terms of their capacity to use technology about 100%. The most influential supporting factor correctly is the motivation of friends (97.90%). The implication of using digital literacy for teachers is the execution of virtual meeting learning (94%). The logical conclusion of this study is that teachers develop awareness in utilizing technology, and it is more effortless to convey material after the Covid-19 pandemic. Mastery of digital literacy for teachers needs to be carefully reviewed to the stage of performance and application to students.
对于包括学生、教师和政策制定者在内的教育界来说,采用数字素养现已成为一个关键问题。教师必须意识到掌握数字素养在学习体验中的重要性。新冠肺炎疫情后,本研究旨在考察教育工作者在学习过程中对数字素养应用的了解。该研究采用定量描述技术,仔细审查了教师数字素养意识的类型、使用数字素养的支持因素,以及2019冠状病毒病疫情后教师计算机素养认知的后果。研究过程在苏门答腊岛巨港的伊斯兰公立高中(MAN)进行。一致的研究结果表明,就他们使用技术的能力而言,数字素养的积极“能力”非常重要,约为100%。正确影响最大的支持因素是朋友的动机(97.90%)。使用数字素养对教师的影响是执行虚拟会议学习(94%)。本研究的逻辑结论是,教师提高了利用技术的意识,并且在新冠肺炎大流行之后更容易传达材料。教师对数字素养的掌握,需要仔细审查到表现和应用到学生的阶段。
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引用次数: 2
Automatic Detection of Brain Tumor from CT and MRI Images using Wireframe model and 3D Alex-Net 基于线框模型和3D Alex-Net的CT和MRI图像自动检测脑肿瘤
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765114
S. Rani, Sandeep Kumar, D. Ghai, K. Prasad
Automatic detection of brain tumors from CT and MRI images is always an effortful task because of the complexity and heterogeneous images. Many neural networks architecture (NN) have recently been developed for segmentation and classification tasks and have proved quite successful. Studies that have taken into account the sizes of items have been rare; as a result, the majority of them show poor detection performance for tiny objects. This has the potential to have a significant influence on illness identification. Recently, the 3D neural network became popular because it can work with a large labeled dataset. We proposed a 3D Alex-Net-based architecture that can classify the different types of a brain tumors at an early stage. First, the image contour is identified and given to the classifier for class-wise identification. We tested our proposed approach on RSNA- MICCAI brain tumors and found that the proposed method delivers the highest accuracy, and the results provide a clear advantage for the classification of a brain tumor in medical images.
由于图像的复杂性和异质性,从CT和MRI图像中自动检测脑肿瘤一直是一项艰巨的任务。近年来,许多神经网络架构(NN)被开发用于分割和分类任务,并被证明是相当成功的。考虑到物品大小的研究很少;因此,它们中的大多数对微小物体的检测性能较差。这有可能对疾病鉴定产生重大影响。最近,3D神经网络因其可以处理大型标记数据集而受到欢迎。我们提出了一个基于3D alex - net的架构,可以在早期阶段对不同类型的脑肿瘤进行分类。首先,识别图像轮廓并将其交给分类器进行分类识别。我们在RSNA- MICCAI脑肿瘤上测试了我们提出的方法,发现我们提出的方法提供了最高的准确性,结果为医学图像中脑肿瘤的分类提供了明显的优势。
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引用次数: 6
COVID-19 pandemic affected on coffee beverage decision and consumers’ behavior 新冠肺炎疫情对咖啡饮料决策和消费者行为的影响
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765074
Akedanai Thubsang, Chanu Thiwongwiang, Chuleeporn Wisetdee, Jutamanee Chompoonuch, Maesaya Anson, Sairin Phalamat, T. Arreeras
The objective research was to study the transformation of the coffee consumption behavior of coffee drinkers and factors affecting the coffee consumption behavior before and during the COVID-19 pandemic. Because coffee is a famous beverage among university student groups. Therefore, we want to know the coffee consumption behavior and aspects of coffee drinkers such as the time most people need to consume coffee, the price, and the amount of coffee consumed each day. Both before and during the pandemic. To benefit those who are interested in studying coffee and as a guide for decision making in the business development of coffee shop operators. The sample used in this study is 407 students at the University of Thailand who consume coffee. The questionnaire was used to collect data for surveys of coffee consumption behavior. The study results revealed that consumer behavior has changed in coffee drinking patterns, health effects, and budgets for coffee purchases have decreased. Including the amount of coffee consumed on average per day by consumers, slightly increased from before the pandemic.
目的研究新冠疫情前和疫情期间咖啡饮用者咖啡消费行为的转变及影响咖啡消费行为的因素。因为咖啡是大学生群体中很有名的饮料。因此,我们想知道咖啡消费行为和咖啡饮用者的各个方面,比如大多数人需要喝咖啡的时间、价格和每天消耗的咖啡量。在大流行之前和期间。为那些对研究咖啡感兴趣的人提供帮助,并为咖啡店经营者的业务发展提供决策指导。在这项研究中使用的样本是泰国大学的407名喝咖啡的学生。该问卷用于收集咖啡消费行为调查的数据。研究结果显示,消费者的行为在咖啡饮用模式、健康影响方面发生了变化,购买咖啡的预算也有所减少。包括消费者平均每天消耗的咖啡量,比疫情前略有增加。
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引用次数: 1
Detection of Oral Cavity Squamous Cell Carcinoma from Normal Epithelium of the Oral Cavity using Microscopic Images 口腔鳞状细胞癌在正常口腔上皮中的显微成像
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765023
C. Ukwuoma, Qin Zhiguang, Md Belal Bin Heyat, Haider Mohammed Khan, F. Akhtar, Mahmoud Masadeh, Olusola Bamisile, Omar Alshorman, G. Nneji
The most common and widely known type of head and neck cancer is the Oral or mouth neoplasm, of which Oral Cavity Squamous Cell Carcinoma (OCSCC) is the most popular. Despite its impact on Mortality, it is always diagnosed at a late stage due to the inefficiency of the screening models at the early detection stage. Early detection of OCSCC has more than 83% survival rate, although the rate of early detection currently is 29%. Partnering with OCSCC early detection, the deep learning model aids in detecting patterns of oral cancer cells. Sequel to that, this paper proposes using ensemble pretrained deep learning models while unifying the ensemble heads with more shared layers for the early detection of OCSCC from microscopic images. Various pre-trained deep learning models are evaluated using transfer learning while using the Augmentor library to establish high-quality microscopic oral cancer image datasets. The proposed approach obtained a 0.1-0.6% improvement compared with transfer learning methods using 100x magnification and 400x magnification, thus illustrating the robustness of the model for low-quality and high-quality images. Noting that the dataset used in this paper is a newly released competition dataset, a comparison was made with only the article that used the same data when writing this paper. The result obtained proves that the proposed methodology is a promising method for detecting and classifying OCSCC.
最常见和最广为人知的头颈部癌症类型是口腔或口腔肿瘤,其中口腔鳞状细胞癌(OCSCC)是最常见的。尽管它对死亡率有影响,但由于早期发现阶段的筛查模式效率低下,它总是在较晚的阶段被诊断出来。早期发现的OCSCC的存活率超过83%,尽管目前的早期发现率为29%。与OCSCC早期检测合作,深度学习模型有助于检测口腔癌细胞的模式。在此基础上,本文提出使用集成预训练的深度学习模型,同时将集成头部与更多共享层统一起来,以便从微观图像中早期检测OCSCC。使用迁移学习评估各种预训练的深度学习模型,同时使用Augmentor库建立高质量的显微口腔癌图像数据集。与使用100倍放大倍率和400倍放大倍率的迁移学习方法相比,该方法获得了0.1-0.6%的改进,从而说明了该模型对于低质量和高质量图像的鲁棒性。注意到本文使用的数据集是新发布的竞争数据集,因此仅与撰写本文时使用相同数据的文章进行了比较。实验结果表明,该方法是一种很有前途的OCSCC检测和分类方法。
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引用次数: 6
An IoT-Based Framework to Support Decision Making Process Using Quality Function Deployment 使用质量功能部署支持决策过程的基于物联网的框架
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765314
Venu Parameswaranpillai, A. Al-khazraji
This paper proposes a framework to incorporate a smart module into a refrigerator capable to collect product data from the items kept inside for refrigeration. This data is collected with the help of smart devices to provide an interface for the users to input product feature rating or innovative requirements to the company involved in making the product. The customer input travel to a QFD interface that uses modern algorithms to act as a dynamic deployment platform to support the decision-makers to initiate the product improvement activities. This framework can be implemented in smart refrigerators to help the customers understand the product underuse, compare the one they are consuming or using with similar other products, recommend product improvement features and get in touch with the company to continuously push the feedback. The companies could make use of this platform to customize their product to suit customers of diverse nature, tackle regional competitions, and always stay flexible to make necessary product improvement that meets the customer needs.
本文提出了一个框架,将智能模块集成到冰箱中,能够从冰箱内保存的冷藏物品中收集产品数据。这些数据是在智能设备的帮助下收集的,为用户提供一个界面,让用户向参与制造产品的公司输入产品功能评级或创新要求。客户输入传递到QFD接口,该接口使用现代算法充当动态部署平台,以支持决策者启动产品改进活动。这个框架可以在智能冰箱中实施,帮助客户了解产品的使用不足,将他们正在消费或使用的产品与其他类似产品进行比较,推荐产品改进功能,并与公司联系,持续推送反馈。公司可以利用这个平台来定制自己的产品,以适应不同性质的客户,应对区域竞争,并始终保持灵活性,对产品进行必要的改进,以满足客户的需求。
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引用次数: 0
Optimal design of a hybrid photovoltaic–wind power system with the national grid using HOMER: A case study in Kerkennah, Tunisia 基于HOMER的国家电网光伏-风力混合发电系统的优化设计:以突尼斯Kerkennah为例
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765310
M. Mallek, Mohamed Ali Elleuch, Jalel Euchi, Yacin Jerbi
Renewable energy is certain to play a key role in future electricity generation due to the rapid depletion of conventional energy. Photovoltaic and wind energy are the major renewable energy sources. However, renewable energies are an inexhaustible, expensive, and unpredictable source of energy. An alternative solution is to combine one or more renewable energy with other conventional energy. In recent years, the research interest towards the utilization of hybrid energy systems in desalination plants. This paper aims to optimize several hybrid energy system models consisting of photovoltaic, wind, and the national grid in desalination plant in Tunisia. Optimization is based on the techno-economic analysis of the proposed energy system is performed by using HOMER simulation software. The simulation will be focused on the net present costs, Levelized cost of energy, produced excess electricity, the Renewable Fraction of Energy, and the reduction of CO2emission for the hybrid energy configurations. Results show that the system photovoltaic, wind, and the national grid is the best energy system installed in the desalination plant.
由于传统能源的迅速枯竭,可再生能源肯定会在未来的发电中发挥关键作用。光伏和风能是主要的可再生能源。然而,可再生能源是一种取之不尽、昂贵且不可预测的能源。另一种解决方案是将一种或多种可再生能源与其他传统能源结合起来。混合能源系统在海水淡化厂的应用是近年来的研究热点。本文旨在对突尼斯海水淡化厂几种由光伏、风能和国家电网组成的混合能源系统模型进行优化。在此基础上,利用HOMER仿真软件对所提出的能源系统进行了技术经济分析。模拟将集中在净当前成本、能源平准化成本、产生的多余电力、可再生能源部分以及混合能源配置的二氧化碳排放减少。结果表明,光伏系统、风能系统和国家电网系统是海水淡化厂安装的最佳能源系统。
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引用次数: 7
The Competence Development of Community Based Tourism Communities in Chiang Rai for MICE Travelers 清莱社区旅游社区对会展游客的胜任力开发
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765078
Sarutanan Sopanik
This research is considered to be a case - study research which explores the competence levels of three selected community-based tourism (CBT) communities in Chiang Rai, Thailand, for high value meetings incentives conferences (or conventions) and exhibitions (MICE) travelers who are considered to be a potentially untapped tourism segment for local CBT residents in Thailand. The framework of this research is adapted from governmental tourism organizations in Thailand and international organizations with the intention to promote CBT communities. The evaluation criteria focus on CBT community management, cultural presentation skills and natural resources. The unique ability to use local creativities to impress MICE travelers beyond their expectations is the key success which will indicate higher level of competence.
本研究被认为是一项案例研究,探讨了泰国清莱三个选定的社区旅游(CBT)社区对高价值会议、奖励、会议(或会议)和展览(MICE)游客的能力水平,这些游客被认为是泰国当地CBT居民潜在的未开发旅游细分市场。本研究的框架改编自泰国政府旅游组织和国际组织,旨在促进CBT社区。评价标准侧重于CBT社区管理、文化表达技能和自然资源。利用当地的创意给会展游客留下超出他们预期的印象是成功的关键,这将表明更高的能力水平。
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引用次数: 0
Pilot Sequence-based Channel Estimation in Massive MIMO wireless communication networks under strong Pilot Contamination 基于导频序列的大规模MIMO无线通信网络强导频污染信道估计
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765195
Jamal Amadid, Zakaria El Ouadi, L. Wakrim, Asma Khabba, A. Zeroual
This work provides a straightforward channel estimator to overcome an unrealistic property provided by Minimum Mean Square Error Estimator (MMSEE) for Multi-Cell (MC) Massive Multiple-Input Multiple-Output (M-MIMO) systems operating under Time-Division Duplex (TDD) protocol. Besides, this work is in purpose to study and analyze the current ideal Least-Squares Estimator (LSE), the current ideal MMSEE, and the Maximum Likelihood Estimator (MLE) under various circumstances and considering under Pilot Contamination (PC) problems. This work compared and evaluate the performance of the studied estimators using the metric Mean Square Error (MSE). The traditional LSE provides the worst performance under a high interference level since it is considerably affected by PC. In spite of the greater accuracy achieved by MMSEE in many studies in the literature. However, the MMSEE is relying on an unrealistic assumption, which can be explained by the complete knowledge of among cell large-scale fading (LSF) coefficients as an unrealistic hypothesis in practical use. The suggested estimator (i.e., the MLE) is introduced to overcome the unusable property on which the MMSEE is based. Besides, the MLE is introduced to provides higher performance than LSE. Furthermore, we investigate a scenario of LSF coefficient (i.e., a LSF depends on the distance at which the user is located from its serving Base Station (BS)), wherewith we assert our analysis. An analytical, simulated, and approximated, results are provided for MLE to affirm our study, whereas analytical and simulated results are given for both LSE and MMSEE to assert the presented theoretical expressions.
这项工作提供了一个直接的信道估计器,以克服在时分双工(TDD)协议下运行的多单元(MC)大规模多输入多输出(M-MIMO)系统的最小均方误差估计器(MMSEE)提供的不切实际的特性。此外,本工作旨在研究和分析各种情况下的理想最小二乘估计器(LSE)、当前理想MMSEE和最大似然估计器(MLE),并考虑到导频污染(PC)问题。本研究使用均方误差(MSE)来比较和评估所研究的估计器的性能。传统的LSE在高干扰水平下的性能最差,因为它受PC的影响很大。尽管MMSEE在许多文献研究中取得了更高的准确性。然而,MMSEE依赖于一个不切实际的假设,这可以解释为完全了解小区间大规模衰落(LSF)系数在实际使用中是一个不切实际的假设。引入了建议的估计器(即MLE)来克服MMSEE所基于的不可用特性。此外,引入了MLE,使其具有比LSE更高的性能。此外,我们研究了LSF系数的一个场景(即LSF取决于用户与其服务基站(BS)的距离),以此来断言我们的分析。分析、模拟和近似的结果提供给MLE来确认我们的研究,而分析和模拟的结果提供给LSE和MMSEE来断言所提出的理论表达式。
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引用次数: 3
Bahdanau Attention Based Bengali Image Caption Generation 基于Bahdanau注意的孟加拉语图像标题生成
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765268
M. M. Alam, M. Rahman, M. Hosen, Khairul Anam Mubin, S. Hossen, M. F. Mridha
In the past few years, many works are done in object detection using images and machine translation. Inspired by those works we introduced Bahdanau Attention Based Bengali Image Caption Generation (BABBICG) that generate automatically bangla caption based on images. The Conventional encoder-decoder architectures performance curse will reduce by Bahdanau Attention and achieving momentous improvements over encoder-decoder architectures. In this work, we extract features from images using InceptionV3 neural network and generate caption using RNN decoder. We used Gated Recurrent Unit (GRU) approach as RNN. We evaluate the model using BanglaLekhaImageCaptions dataset from Mendeley Data that can help to generate bangla caption.
在过去的几年里,很多工作都是利用图像和机器翻译来进行目标检测的。受这些作品的启发,我们引入了基于Bahdanau注意力的孟加拉语图像标题生成(BABBICG),它可以根据图像自动生成孟加拉语标题。传统的编码器-解码器体系结构的性能缺陷将随着巴赫达瑙关注的减少而得到显著改善。在这项工作中,我们使用InceptionV3神经网络从图像中提取特征,并使用RNN解码器生成标题。我们使用门控循环单元(GRU)方法作为RNN。我们使用Mendeley Data的BanglaLekhaImageCaptions数据集来评估模型,该数据集可以帮助生成孟加拉语标题。
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引用次数: 0
Identification of Parasitized Single Cell from Normal Using Deep Learning Approach 利用深度学习方法识别被寄生单细胞与正常细胞
Pub Date : 2022-03-23 DOI: 10.1109/DASA54658.2022.9765258
Von Cedrick M. Calderon, Jeffrey S. Sarmiento, Christopher Franco Cunanan, Carla May C. Ceribo, Gemma D. Belga
Patients' cells need to be examined, thus healthcare facilities require changes as well as advancements in terms of instruments and technology, notably software that aids in the diagnosis of certain symptoms and diseases by looking at them. This aids in the identification and diagnosis of intracellular parasites in a person's cell, making it easier to identify a person's health condition. These parasites are responsible for a variety of acute and chronic illnesses. The paper aims to provide an enhanced model for cell classification. This will help to increase the accuracy of detection for intercellular parasites within the patient cell and easily diagnose a person’s health condition. In response to that, the system implements a deep learning technique in cell categorization using the YOLOv3 algorithm. Having a model with 90.6% mean Average precision, made a cell classification with 99.06% precision determining whether the subjected single cell is parasitized or normal.
患者的细胞需要检查,因此医疗机构需要在仪器和技术方面进行改变和改进,特别是通过观察来帮助诊断某些症状和疾病的软件。这有助于识别和诊断人细胞内的细胞内寄生虫,使其更容易确定一个人的健康状况。这些寄生虫是各种急性和慢性疾病的罪魁祸首。本文旨在提供一种增强的细胞分类模型。这将有助于提高检测患者细胞内细胞间寄生虫的准确性,并轻松诊断患者的健康状况。为此,系统采用YOLOv3算法实现了细胞分类的深度学习技术。模型平均精度为90.6%,以99.06%的精度进行细胞分类,判断受试单细胞是寄生还是正常。
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引用次数: 0
期刊
2022 International Conference on Decision Aid Sciences and Applications (DASA)
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