5G无线技术和社会经济转型的最新进展带来了传感器应用的范式转移。 Wi-Fi信号表明其时间变化与身体运动之间存在很强的相关性,可以利用这些变化来识别人类活动。在本文中,我们证明了基于时间尺度Wi-Fi通道状态信息的自由互助人与人类相互作用识别方法的认知能力。所检查的共同活动是稳定的,接近,离职的,握手的,高五,拥抱,踢(左腿),踢(右腿),指向(左手),指向(右手),拳打(左手),打孔(右手)和推动。我们探索并提出了一个自我发项的双向封盖复发性神经网络模型,以从时间序列数据中对13种人类到人类的相互作用类型进行分类。我们提出的模型可以识别两个主题对相互作用,最大基准精度为94%。这已经扩展了十对对象,该对象对围绕交互 - 转变区域的分类得到了改善,从而确保了88%的基准精度。同样,使用PYQT5 Python模块开发了可执行的图形用户界面(GUI),以实时显示总体相互交流识别过程。最后,我们简要地讨论了有关残障的可能解决方案,这些解决方案导致了研究期间观察到的缩减。这种Wi-Fi渠道扰动模式分析被认为是一种有效,经济和隐私友好的方法,可在相互的人际关系识别中用于室内活动监测,监视系统,智能健康监测系统和独立的辅助生活。
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A total of 605 eligible respondents took part in this survey (population size 1630046161 and required sample size 591) with an age range of 18 to 100. A large proportion of the respondents are aged less than 50 (82%) and male (62.15%). The majority of the respondents live in urban areas (60.83%). A total of 61.16% (370/605) of the respondents were willing to accept/take the COVID-19 vaccine. Among the accepted group, only 35.14% showed the willingness to take the COVID-19 vaccine immediately, while 64.86% would delay the vaccination until they are confirmed about the vaccine s efficacy and safety or COVID-19 becomes deadlier in Bangladesh. The regression results showed age, gender, location (urban/rural), level of education, income, perceived risk of being infected with COVID-19 in the future, perceived severity of infection, having previous vaccination experience after age 18, having higher knowledge about COVID-19 and vaccination were significantly associated with the acceptance of COVID-19 vaccines. The research reported a high prevalence of COVID-19 vaccine refusal and hesitancy in Bangladesh.
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Network intrusion detection systems (NIDSs) play an important role in computer network security. There are several detection mechanisms where anomaly-based automated detection outperforms others significantly. Amid the sophistication and growing number of attacks, dealing with large amounts of data is a recognized issue in the development of anomaly-based NIDS. However, do current models meet the needs of today's networks in terms of required accuracy and dependability? In this research, we propose a new hybrid model that combines machine learning and deep learning to increase detection rates while securing dependability. Our proposed method ensures efficient pre-processing by combining SMOTE for data balancing and XGBoost for feature selection. We compared our developed method to various machine learning and deep learning algorithms to find a more efficient algorithm to implement in the pipeline. Furthermore, we chose the most effective model for network intrusion based on a set of benchmarked performance analysis criteria. Our method produces excellent results when tested on two datasets, KDDCUP'99 and CIC-MalMem-2022, with an accuracy of 99.99% and 100% for KDDCUP'99 and CIC-MalMem-2022, respectively, and no overfitting or Type-1 and Type-2 issues.
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Skeleton-based Motion Capture (MoCap) systems have been widely used in the game and film industry for mimicking complex human actions for a long time. MoCap data has also proved its effectiveness in human activity recognition tasks. However, it is a quite challenging task for smaller datasets. The lack of such data for industrial activities further adds to the difficulties. In this work, we have proposed an ensemble-based machine learning methodology that is targeted to work better on MoCap datasets. The experiments have been performed on the MoCap data given in the Bento Packaging Activity Recognition Challenge 2021. Bento is a Japanese word that resembles lunch-box. Upon processing the raw MoCap data at first, we have achieved an astonishing accuracy of 98% on 10-fold Cross-Validation and 82% on Leave-One-Out-Cross-Validation by using the proposed ensemble model.
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Cartoons are an important part of our entertainment culture. Though drawing a cartoon is not for everyone, creating it using an arrangement of basic geometric primitives that approximates that character is a fairly frequent technique in art. The key motivation behind this technique is that human bodies - as well as cartoon figures - can be split down into various basic geometric primitives. Numerous tutorials are available that demonstrate how to draw figures using an appropriate arrangement of fundamental shapes, thus assisting us in creating cartoon characters. This technique is very beneficial for children in terms of teaching them how to draw cartoons. In this paper, we develop a tool - shape2toon - that aims to automate this approach by utilizing a generative adversarial network which combines geometric primitives (i.e. circles) and generate a cartoon figure (i.e. Mickey Mouse) depending on the given approximation. For this purpose, we created a dataset of geometrically represented cartoon characters. We apply an image-to-image translation technique on our dataset and report the results in this paper. The experimental results show that our system can generate cartoon characters from input layout of geometric shapes. In addition, we demonstrate a web-based tool as a practical implication of our work.
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The cover is the face of a book and is a point of attraction for the readers. Designing book covers is an essential task in the publishing industry. One of the main challenges in creating a book cover is representing the theme of the book's content in a single image. In this research, we explore ways to produce a book cover using artificial intelligence based on the fact that there exists a relationship between the summary of the book and its cover. Our key motivation is the application of text-to-image synthesis methods to generate images from given text or captions. We explore several existing text-to-image conversion techniques for this purpose and propose an approach to exploit these frameworks for producing book covers from provided summaries. We construct a dataset of English books that contains a large number of samples of summaries of existing books and their cover images. In this paper, we describe our approach to collecting, organizing, and pre-processing the dataset to use it for training models. We apply different text-to-image synthesis techniques to generate book covers from the summary and exhibit the results in this paper.
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大数据和深度学习的结合是一项破坏世界的技术,如果正确使用,可以极大地影响任何目标。随着深度学习技术中大量医疗保健数据集和进步的可用性,系统现在可以很好地预测任何健康问题的未来趋势。从文献调查中,我们发现SVM用于预测心力衰竭的情况,而无需关联客观因素。利用电子健康记录(EHR)中重要历史信息的强度,我们利用长期记忆(LSTM)建立了一个智能和预测的模型,并根据该健康记录预测心力衰竭的未来趋势。因此,这项工作的基本承诺是使用基于患者的电子药用信息的LSTM来预测心脏的失败。我们已经分析了一个数据集,该数据集包含在Faisalabad心脏病学研究所和Faisalabad(巴基斯坦旁遮普邦)的盟军医院收集的299例心力衰竭患者的病历。这些患者由105名女性和194名男性组成,年龄在40岁和95岁之间。该数据集包含13个功能,这些功能报告了负责心力衰竭的临床,身体和生活方式信息。我们发现我们的分析趋势越来越多,这将有助于促进心中预测领域的知识。
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小型模块化反应堆的概念改变了解决未来能源危机的前景。考虑到其较低的投资要求,模块化,设计简单性和增强的安全功能,这种新的反应堆技术非常有希望。人工智能驱动的多尺度建模(中子,热液压,燃料性能等)在小型模块化反应堆的研究中纳入了数字双胞胎和相关的不确定性。在这项工作中,进行了一项关于耐亡燃料的多尺度建模的全面研究。探索了这些燃料在轻水的小型模块化反应堆中的应用。本章还重点介绍了机器学习和人工智能在设计优化,控制和监视小型模块反应器中的应用。最后,简要评估了有关人工智能在高燃烧复合事故耐受燃料的发展中的研究差距。还讨论了实现这些差距的必要行动。
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在现代资本市场中,由于各种社会,财务,政治和其他动态因素,股票的价格通常被认为是高度波动和不可预测的。借助计算和周到的投资,股票市场可以通过最少的资本投资来确保可观的利润,而错误的预测可以轻松地为投资者带来灾难性的财务损失。本文介绍了最近引入的机器学习模型 - 变压器模型的应用,以预测孟加拉国领先的证券交易所达卡证券交易所(DSE)的未来价格。变压器模型已被广泛用于自然语言处理和计算机视觉任务,但据我们所知,从未在DSE进行股票价格预测任务。最近,介绍了代表时间序列功能的Time2VEC编码,使得可以采用变压器模型进行股票价格预测。本文集中于基于变压器的模型的应用,以根据其历史和每周的数据来预测DSE中列出的八个特定股票的价格转移。我们的实验证明了大多数股票的有希望的结果和可接受的根平方误差。
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语言是个人表达思想的方法。每种语言都有自己的字母和数字字符集。人们可以通过口头或书面交流相互交流。但是,每种语言都有同类语言。聋哑和/或静音的个人通过手语交流。孟加拉语还具有手语,称为BDSL。数据集是关于孟加拉手册图像的。该系列包含49个单独的孟加拉字母图像。 BDSL49是一个数据集,由29,490张具有49个标签的图像组成。在数据收集期间,已经记录了14个不同成年人的图像,每个人都有不同的背景和外观。在准备过程中,已经使用了几种策略来消除数据集中的噪声。该数据集可免费提供给研究人员。他们可以使用机器学习,计算机视觉和深度学习技术开发自动化系统。此外,该数据集使用了两个模型。第一个是用于检测,而第二个是用于识别。
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