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Augmented Reality-based Educational Content Application Development 基于增强现实的教育内容应用开发
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1945
Haekyung Chung, Jang-Hyok Ko
In this study, we developed an augmented reality-based educational application that can learn the relationship between life and mathematics by implementing objects in everyday life as a three-dimensional figure of an augmented reality environment. AR images can induce interest in math study to elementary school children, and children who have started learning three-dimensional figures can easily imagine the shape of figures in real life and provide development maps so that they can grasp the relationship between each development and three-dimensional figures. In addition, it is possible to efficiently learn mathematics through an augmented reality-based educational content providing apparatus and method. In this study, firstly literature study was conducted to understand overall understanding of education service and completed persona through survey methods such as in-depth interviews. The user’s goal was simple, easy to operate the app.
在这项研究中,我们开发了一个基于增强现实的教育应用程序,通过将日常生活中的物体作为增强现实环境的三维图形来学习生活与数学之间的关系。AR图像可以激发小学生对数学学习的兴趣,已经开始学习三维图形的孩子可以很容易地想象出现实生活中图形的形状,并提供发展图,从而掌握每个发展与三维图形之间的关系。此外,通过基于增强现实的教育内容提供设备和方法,可以有效地学习数学。在本研究中,首先进行文献研究,通过深度访谈等调查方法,了解对教育服务的总体认识,并完成人物角色。用户的目标很简单,易于操作的应用程序。
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引用次数: 0
Hyperledger Fabric-based Reliable Personal Health Information Sharing Model 基于Hyperledger fabric的可靠个人健康信息共享模型
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1944
Jinsook Bong, Uijin Jang
To provide optimized individual-oriented medical service, an open eco system is required so that personal health information could be safely recorded, managed, shared and viewed.However, the current health information is being separately collected, stored, managed by various management institutions, so data linkage is not guaranteed. The data ownership for personal health information belongs to management entities not an individual and also health information is electronically recorded and managed, so it’s vulnerable to forgery and leakage like other electronic data.This paper proposes a personal health information sharing platform applying the Hyperledger fabric. The proposed platform was designed based on blockchain to provide user-oriented health information management and access rights. Therefore, it is possible to create, manage and share reliable medical data.
为了提供优化的个性化医疗服务,需要一个开放的生态系统,使个人健康信息可以安全地记录、管理、共享和查看。但是,目前的健康信息是由各个管理机构单独收集、存储、管理的,数据联动不保证。个人健康信息的数据所有权属于管理实体而不是个人,并且健康信息是电子化记录和管理的,因此与其他电子数据一样容易被伪造和泄露。提出了一种基于超级账本结构的个人健康信息共享平台。该平台基于区块链设计,提供面向用户的健康信息管理和访问权限。因此,可以创建、管理和共享可靠的医疗数据。
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引用次数: 0
Examination of the Bi-LSTM Based 5G-OFDM Wireless Network Over Rayleigh Fading Channel Conditions 基于Bi-LSTM的5G-OFDM无线网络在瑞利衰落信道条件下的研究
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1948
Sanjaya Kumar Sarangi, R. Lenka, Ravi Shankar, H. Mehraj, V. G. Krishnan
Fifth generation (5G) wireless networks’ system performance is dependent on having perfect knowledge of the channel state information (CSI). Deep learning (DL) has helped improve both the end-to-end reliability of 5G and beyond fifth generation (B5G) networks and the computational complexity of these networks. This work uses the Bi-linear long short-term memory (Bi-LSTM) scheme to examine the overall performance of the 5G orthogonal frequency division multiplexing (OFDM) technology. The least squares (LS) channel estimation scheme is a famous scheme employed to estimate the fading channel coefficients due to their lower complexity without the prior CSI. However, this scheme has an exceedingly high CSI error. Using pilot symbols (PS) and loss functions, this work has proposed the Bi-LSTM 5G OFDM estimators to improve the channel estimation obtained by the LS approach. All simulation analysis uses convex optimization (CO) software (CVX software) and stochastic gradient descent (SGD). When combined with many PS (72) and a cross-entropy loss function, the proposed Bi-LSTM outperforms the long-short-term memory (LSTM) cross-entropy, LS, and minimum mean square error (MMSE) estimators in low, medium, and high signal-to-noise ratio (SNR) regimes. The computational and training times of Bi-LSTM and LSTM DL estimators are also compared. Because of its DNN design, it can evaluate massive datasets, find hidden statistical patterns and characteristics, establish underlying relationships, and transfer what it has learnt to other contexts. Statistical analysis of the bit error rate (BER) reveals that Bi-LSTM outperforms the MMSE in terms of accurate channel prediction.
第五代(5G)无线网络的系统性能依赖于对信道状态信息(CSI)的充分了解。深度学习(DL)有助于提高5G及第五代(B5G)以后网络的端到端可靠性以及这些网络的计算复杂性。本研究使用双线性长短期记忆(Bi-LSTM)方案来检验5G正交频分复用(OFDM)技术的整体性能。最小二乘(LS)信道估计方案是一种著名的估计衰落信道系数的方案,由于其较低的复杂度而不需要先验CSI。然而,该方案具有极高的CSI误差。利用导频符号(PS)和损失函数,本工作提出了Bi-LSTM 5G OFDM估计器,以改进LS方法获得的信道估计。所有模拟分析都使用凸优化(CO)软件(CVX软件)和随机梯度下降(SGD)。当与多个PS(72)和交叉熵损失函数相结合时,所提出的Bi-LSTM在低、中、高信噪比(SNR)条件下优于长短期记忆(LSTM)交叉熵、LS和最小均方误差(MMSE)估计器。比较了Bi-LSTM和LSTM深度学习估计器的计算量和训练时间。由于它的深度神经网络设计,它可以评估大量数据集,找到隐藏的统计模式和特征,建立潜在的关系,并将它所学到的知识转移到其他环境中。对误码率(BER)的统计分析表明,在准确的信道预测方面,Bi-LSTM优于MMSE。
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引用次数: 0
Live Streaming Contents Influencing Game Playing Behavior Among Thailand Gamers 直播内容影响泰国玩家的游戏行为
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1946
Thanaphol Kongrit, S. Kiattisin
This paper studies online game engagement in Thailand gaming communities. ‘Planned Behavior’ is the theory used in this study and it explains factors in order to determine the sustainability of the online gaming business. The theoretical research model of the paper focuses on flow experience, human-computer interaction, social interaction, and perceived enjoyment. A quantitative method has been used to measure the implications and data was collected from 800 participants’ online gamer via streaming tournament. The key findings show that the conveyed player attitudes and the flow experience have a positive influence on players’ continued intention to play an online game via Live-streaming. Hence Live-streaming is also an online game community connector and can be used as an indicator on the engagement of a sustainable game industry.
本文研究了泰国游戏社区的网络游戏参与度。“计划行为”是本研究中使用的理论,它解释了决定在线游戏业务可持续性的因素。本文的理论研究模式侧重于心流体验、人机交互、社会交互和感知享受。采用定量方法对其影响进行了测量,并通过流媒体比赛收集了800名参与者的在线游戏数据。主要发现表明,所传达的玩家态度和流体验对玩家通过直播持续玩在线游戏的意愿具有积极影响。因此,直播也是在线游戏社区的纽带,可以作为可持续游戏产业参与度的指标。
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引用次数: 0
Block-Hash Signature (BHS) for Transaction Validation in Smart Contracts for Security and Privacy using Blockchain 区块链安全与隐私智能合约交易验证的块哈希签名(BHS
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1941
S. Bhatnagar, M. Dayal, Deepti Singh, Shitiz Upreti, K. Upreti, J. Kumar
Some of the well-known signature techniques like Winternitz and Lamport are not considered to be very appropriate for the usage of hashing or smart contracts in Blockchains security because of their size O(n2), which is prominently too high. Although in Blockchain, the security concern is on the top priority because of its distributed P2P design still, the security enhancement is required to sign and verify the documents forwarded to the peers, especially in Hyperledger Fabric. Here, this paper presents a new signature technique “Block-Hash” to enhance Blockchain security by using it in smart contracts as well as hashing with size 3Xn bits (n=256, generally for SHA-256 Hashing) and which can score 112 bits security. The proposed signature can be used appropriately for signing a smart contract by the endorser or committer node. Also, it can be used with a hash algorithm in forming a Merkle tree. Apart from the description and implementation of Block-Hash Signature, this paper has covered the analysis of its security and correctness measures with a table for result comparison.
一些著名的签名技术,如Winternitz和Lamport,被认为不太适合在区块链安全中使用哈希或智能合约,因为它们的大小O(n2)太高了。尽管在区块链中,由于其分布式P2P设计,安全问题仍然是重中之重,但在转发给对等体的文件的签名和验证方面需要加强安全性,特别是在超级账本结构中。在此,本文提出了一种新的签名技术“Block-Hash”,通过将其用于智能合约以及大小为3Xn位(n=256,通常用于SHA-256哈希)的哈希来增强区块链的安全性,可以获得112位的安全性。提议的签名可以适当地用于背书者或提交者节点签署智能合约。此外,它还可以与散列算法一起使用,以形成Merkle树。本文除了对区块哈希签名的描述和实现之外,还对其安全性和正确性措施进行了分析,并给出了结果对比表。
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引用次数: 3
The Disruptive Innovation Potential and Business Case Investment Sensitivity of Open RAN 开放式RAN的颠覆性创新潜力与商业案例投资敏感性
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1943
T. Kyoseva, V. Poulkov, P. Lindgren
Every telecom constantly faces the dilemma of when to invest in the next generation infrastructure network and how the investment would be monetized. The telco value proposition comprises products, services, processes, technologies, and network infrastructure. This paper explores making the business case out of Open RAN investment for a 5G network, where Open RAN is further researched if telcos perceive it as radical or disruptive innovation. As part of the research, different telecom companies are approached with a set of questions. The results are analysed and mapped in a Business Model Innovation chart. Furthermore, this paper also covers an analysis related to evaluating the sensitivity of how profitable a telco could be depending on Open RAN TCO investment for 5G deployments and the number of customers using value propositions – products, services and processes. Two sensitivity scenarios are simulated so various combinations could be observed before taking any further decision for Open RAN 5G business model implementation.
每家电信公司都面临着何时投资下一代基础设施网络以及如何将投资货币化的困境。电信公司的价值主张包括产品、服务、流程、技术和网络基础设施。本文探讨了5G网络开放RAN投资的商业案例,如果电信公司将其视为激进或颠覆性创新,则对开放RAN进行进一步研究。作为研究的一部分,研究人员向不同的电信公司提出了一系列问题。分析结果并将其映射到商业模式创新图表中。此外,本文还涵盖了与评估电信公司盈利程度的敏感性相关的分析,这取决于5G部署的开放式RAN TCO投资以及使用价值主张(产品、服务和流程)的客户数量。模拟了两种灵敏度场景,以便在对Open RAN 5G商业模式实施做出任何进一步决定之前,可以观察到各种组合。
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引用次数: 0
A Conceptual Model of Personalized Virtual Reality Trail Running Gamification Design 个性化虚拟现实越野跑游戏化设计的概念模型
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1947
Raslapat Suteeca, Smitti Darakorn Na Ayuthaya, S. Kiattisin
Individuals’ running styles define trail running. Diverse motivational strategies for running emerge because of diverse running behaviors. Customizable design for motivation: when it comes to environmental considerations during a product’s or service’s use stage, the design process has become increasingly focused on behavior. Virtual reality enables the creation and integration of a variety of environments, as well as the redesign, retesting, and enhancement of these environments within a virtual computing structure. These benefits exist because players’ perspectives and behaviors in virtual environments are more comparable to those in their physical environments. The purpose of this study is to create a model for the relationship between persuasive strategy, user personal factors and target behavior that is effective based on the Social Cognitive Model, two hypotheses are tested using structural equation modelling (SEM). According to the findings, persuasive strategies have a significant positive influence on user personal factors. Second, user personal factors were able to influence target behaviors. To increase intrinsic motivation, virtual reality application designers should support persuasive tactics such as goal setting and self-monitoring in a target context. These results may guide designers in selecting effective persuasion strategies for various user groups.
个人的跑步风格决定了越野跑。不同的跑步行为产生了不同的跑步动机策略。针对动机的可定制设计:当涉及到产品或服务使用阶段的环境考虑时,设计过程越来越关注行为。虚拟现实支持创建和集成各种环境,以及在虚拟计算结构中对这些环境进行重新设计、重新测试和增强。这些好处的存在是因为玩家在虚拟环境中的视角和行为与他们在现实环境中的行为更相似。本研究的目的是在社会认知模型的基础上建立一个有效的说服策略、用户个人因素和目标行为之间的关系模型,并使用结构方程模型(SEM)对两个假设进行检验。研究发现,说服策略对用户个人因素有显著的正向影响。第二,用户个人因素能够影响目标行为。为了增加内在动机,虚拟现实应用程序设计者应该支持说服策略,例如在目标环境中设定目标和自我监控。这些结果可以指导设计师在不同的用户群体中选择有效的说服策略。
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引用次数: 0
Protein Prediction using Dictionary Based Regression Learning 基于字典回归学习的蛋白质预测
Pub Date : 2023-05-04 DOI: 10.13052/jmm1550-4646.1942
T. S. Rani, A. Babu, D. Haritha
Research Objectives: Molecular genetic data is managed by the information technology known as bioinformatics. Major concept involved in bioinformatics is a protein sequence. Amino acids bonded with peptide bond constitute the sequence of Protein and it is very essential to lead life. To predict sequence of amino acid, primary sequence obtains amino sequence folding and structures prediction.Research Novelty: In this manuscript, dictionary based regression learning and fuzzy genetic algorithm is proposed for protein prediction from structural analysis (DRL-FGA-PD-SA). In this input data are taken from Kaggle domain dataset. The extraction of protein features from given data is made through Kernel Matrix (KM) which extracts composition of amino acids, composition of dipeptide, composition of pseudo-amino-acid, composition of functional domain and distance-based features. Then fuzzy based genetic algorithm (FGA) update the selected features for classification of protein and the features are clustered. Finally, dictionary based regression learning (DRL) predicts the class of protein with conversion of values either 0’s or 1’s.Research Conclusions: The proposed method is executed on MATLAB. Here evaluation metrics as sensitivity, precision, f-measure, specificity, accuracy and error rate are outlined. Then the performance of the proposed DRL-FGA-PD-SA method provides 22.08%, 24.03%, 34.76% higher accuracy, 23.34%, 26.45%, 34.44% higher precision, compared with the existing systems such assdeep learning methods in protein structure prediction (FFNN-RNN-PD-SA), deep learning technique for protein structure prediction and protein design (DNN-PD-SA) and improved protein structure prediction using potentials from deep learning (DNN-SGDA-PD-SA) respectively.
研究目标:分子遗传数据是由生物信息学这一信息技术管理的。生物信息学中涉及的主要概念是蛋白质序列。氨基酸与肽键结合构成蛋白质序列,对生命至关重要。为了预测氨基酸序列,一级序列得到氨基酸折叠和结构预测。研究新颖性:本文提出基于字典的回归学习和模糊遗传算法用于结构分析蛋白质预测(DRL-FGA-PD-SA)。输入数据取自Kaggle域数据集。通过核矩阵(KM)从给定数据中提取蛋白质特征,核矩阵提取氨基酸组成、二肽组成、伪氨基酸组成、功能域组成和基于距离的特征。然后利用模糊遗传算法(FGA)更新所选特征进行蛋白质分类,并对特征进行聚类。最后,基于字典的回归学习(DRL)通过转换值0或1来预测蛋白质的类别。研究结论:本文提出的方法在MATLAB上实现。本文概述了灵敏度、精密度、f-measure、特异性、准确度和错误率等评价指标。与现有的蛋白质结构预测深度学习方法(FFNN-RNN-PD-SA)、蛋白质结构预测和设计深度学习技术(DNN-PD-SA)和利用深度学习电位改进的蛋白质结构预测系统(DNN-SGDA-PD-SA)相比,所提出的DRL-FGA-PD-SA方法的准确率分别提高了22.08%、24.03%、34.76%、23.34%、26.45%、34.44%。
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引用次数: 0
Novel Deep Learning Approach to Support Optimal Resource Allocation in 5G Environment 支持5G环境下资源优化分配的新型深度学习方法
Pub Date : 2023-02-15 DOI: 10.13052/jmm1550-4646.1935
Raja Varma Pamba, Rahul Bhandari, A. Asha, Rahul Neware, A. Bist
In recent times, the advancement in network devices has focused entirely on the miniaturisation of services that should ensure better connectivity between them via fifth generation (5G) technology. The 5G network communication aims to improve Quality of Service (QoS). However, the allocation of resources is a core problem that increases the complexity of packet scheduling. In this paper, we develop a resource allocation model using a novel deep learning algorithm for optimal resource allocation. The novel deep learning is formulated using the constraints associated with optimal radio resource allocation. The objective function design aims at reducing the system delay. The study predicts the traffic in a complex environment and allocates resources accordingly. The simulation was conducted to test the scheduling efficacy and the results showed an improved rate of allocation than the other methods.
最近,网络设备的进步完全集中在服务的小型化上,通过第五代(5G)技术确保它们之间更好的连接。5G网络通信旨在提高服务质量(QoS)。然而,资源的分配是一个核心问题,增加了数据包调度的复杂性。在本文中,我们开发了一个资源分配模型,使用一种新的深度学习算法进行最优资源分配。这种新颖的深度学习是使用与最佳无线电资源分配相关的约束来制定的。目标函数设计的目的是减少系统的延迟。该研究对复杂环境下的流量进行预测,并据此分配资源。通过仿真验证了该方法的调度效率,结果表明该方法的分配率比其他方法有所提高。
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引用次数: 0
Multi-Class Classification Method with Feature Engineering for Predicting Hypertension with Diabetes 基于特征工程的多类分类方法预测高血压合并糖尿病
Pub Date : 2023-02-15 DOI: 10.13052/jmm1550-4646.1937
Mongkhon Sinsirimongkhon, Sujitra Arwatchananukul, P. Temdee
Machine learning–based methods are widely applied for the prediction of noncommunicable diseases (NCDs), such as hypertension, diabetes, and cardiovascular disease. However, few models have been developed for predicting hypertension with diabetes, even though these diseases generally co-occur and can cause devastating harm to patients. This paper proposes a multi-class classification method that will be able to predict hypertension with diabetes. The proposed method consists of data preprocessing, model construction and validation, and model comparison. For data preprocessing, feature engineering of corresponding data types is conducted. For model construction, several machine learning methods are applied, including Random Forest (RF), Gradient Boosting (GB), Extra Tree (ET), Decision Tree (DCT), and Support Vector Machine (SVM). The dataset used in this study consists of 17,077 records and 28 features, obtained from Phaya Mengrai Hospital, Chiang Rai, Thailand. The predictive performance of each model with and without feature engineering is compared in terms of accuracy and average area under the Receiver Operating Characteristic curve (AUC-ROC). From the comparison results, SVM with feature engineering outperformed other models based on accuracy and average AUC-ROC achieving a value of 88.39% and 93.32%, respectively. For all ensemble learning–based methods, RF performed the best in terms of both accuracy and average AUC-ROC for both with and without feature engineering. Overall, all the models performed better when feature engineering was applied.
基于机器学习的方法被广泛应用于非传染性疾病(ncd)的预测,如高血压、糖尿病和心血管疾病。然而,很少有模型用于预测高血压合并糖尿病,尽管这些疾病通常同时发生,并可能对患者造成毁灭性的伤害。本文提出了一种能够预测糖尿病合并高血压的多类分类方法。该方法包括数据预处理、模型构建与验证、模型比较三个部分。对于数据预处理,进行相应数据类型的特征工程。对于模型的构建,采用了几种机器学习方法,包括随机森林(RF)、梯度增强(GB)、额外树(ET)、决策树(DCT)和支持向量机(SVM)。本研究中使用的数据集包括17,077条记录和28个特征,来自泰国清莱Phaya mengai医院。从准确度和接受者工作特征曲线下的平均面积(AUC-ROC)两方面比较了有特征工程和没有特征工程的每个模型的预测性能。从对比结果来看,基于特征工程的SVM在准确率和AUC-ROC均值方面优于其他模型,分别达到了88.39%和93.32%。对于所有基于集成学习的方法,无论是否进行特征工程,RF在准确性和平均AUC-ROC方面都表现最好。总的来说,当应用特征工程时,所有的模型都表现得更好。
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引用次数: 1
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J. Mobile Multimedia
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