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2022 6th International Conference on Universal Village (UV)最新文献

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Deep Reinforcement Learning Based Dynamic Scheduling of Random Arrival Tasks in Cloud Manufacturing 基于深度强化学习的云制造随机到达任务动态调度
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185485
Leyao Chen, Longfei Zhou, Muer Zhou, Xilong Yu, Yipeng Zhu, Wenbo Song, Zixuan Lu, Jiayin Li
Compared with the stable orders of traditional manufacturing, cloud manufacturing (CMfg) fulfilled with masses of random orders, so the CMfg server needs an algorithm with low time and space complexity to prevent the server from crashing due to excessive instantaneous data. Besides, the random changes of manufacturing resources and service must be considered when establishing a scheduling model for CMfg. To solve this problem, we propose an adaptive Deep Q-Networks (ADQN) method with a resizable network that converts cloud manufacturing scheduling problems with multiple objectives into specific reinforcement learning goal and can adapt to changing environments. Our experimental results show that ADQN is comparable to other real-time scheduling methods, the average subtask completion time and the standard deviation of occupation obtained by ADQN keep at a low level.
与传统制造的稳定订单相比,云制造(cloud manufacturing, CMfg)处理的是大量随机订单,因此CMfg服务器需要一种低时间和空间复杂度的算法,以防止服务器因过多的瞬时数据而崩溃。此外,在建立制造制造调度模型时,必须考虑制造资源和服务的随机变化。为了解决这一问题,我们提出了一种自适应深度q网络(ADQN)方法,该方法具有可调整大小的网络,将具有多个目标的云制造调度问题转换为特定的强化学习目标,并且可以适应不断变化的环境。实验结果表明,ADQN可与其他实时调度方法相媲美,获得的子任务平均完成时间和占用标准差保持在较低水平。
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引用次数: 0
Model Based Smart Communication System Design 基于模型的智能通信系统设计
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185479
Mingyu Hu, Yajun Fang
The development of natural language processing (NLP) has revealed its huge potential power and wide implementation. However, in the current status of natural language processing and smart communication design, there are some problems and limitations. First, most of the NLP and smart communication research mainly focus on the direction of the algorithm but lacks communication and relationship model design. The second, algorithm and memory implementations of models seldom separate for different tasks and situations. The third, wide use of unsupervised learning makes the model difficult to interpret, uncontrollable, and inflexible. To solve those problems, we designed memory-relationship classification categories to classify and guide the implementation of NLP and smart communication. With the implementation of model basing learning concept and communication model, we designed a sequential controllable semantic dimension and relationship dimension system to classify smart communication.
自然语言处理(NLP)的发展显示出其巨大的潜力和广泛的应用前景。然而,在自然语言处理和智能通信设计的现状下,还存在一些问题和局限性。首先,大多数NLP和智能通信的研究主要集中在算法的方向上,缺乏通信和关系模型的设计。第二,模型的算法和内存实现很少针对不同的任务和情况分开。第三,无监督学习的广泛使用使模型难以解释、不可控和不灵活。为了解决这些问题,我们设计了记忆关系分类类来分类和指导NLP和智能通信的实现。通过实现基于模型的学习概念和通信模型,设计了一个顺序可控的语义维和关系维系统对智能通信进行分类。
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引用次数: 0
A Novel Two-Lane Roundabout Model with Central Cross Structure 一种具有中心交叉结构的新型双车道环形交叉交叉口模型
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185490
Ke Xu, Longfei Zhou, Fan He, Siyu Wu, Haoliang Liu, Fei Teng, Zehang Li, Yuliang Gai, Pengfei Liu, Yifan Mo
With the increasing number of family cars, urban traffic congestion has become more and more common, which has a great impact on people’s lives. In order to alleviate the traffic pressure caused by traffic congestion, the roundabout came into being. Compared with ordinary intersections, roundabouts are superior in traffic efficiency and traffic control. However, research has found that the number of halts per vehicle at roundabouts has increased relative to ordinary intersections, which means that there is an increased possibility of large-scale congestion and driving conflicts in today’s huge traffic flow. This makes it possible to add traffic lights to the roundabout to control traffic flow to alleviate traffic congestion and driving conflicts. This paper aims to improve the traffic model of the ordinary two-lane roundabout and analyze whether different traffic light control methods are conducive to improving the traffic efficiency of the roundabout in the scenario of heavy traffic flow. Four improved models are established and compared with basic two-lane roundabout and signalized intersection. Based on two scenarios with different traffic volume, we analyze these models’ performance through multiple evaluation metrics. Results illustrates that roundabout with central cross has the best performance in the two scenarios, and proves that these two traffic light control methods failed to improve the traffic efficiency of roundabout in heavy traffic scenarios.
随着家庭汽车数量的不断增加,城市交通拥堵变得越来越普遍,这对人们的生活产生了很大的影响。为了缓解交通拥堵带来的交通压力,环形交叉路口应运而生。与普通交叉路口相比,环形交叉路口在交通效率和交通控制方面具有优势。然而,研究发现,相对于普通交叉路口,每辆车在环形交叉路口停车的次数有所增加,这意味着在当今巨大的交通流量中,大规模拥堵和驾驶冲突的可能性增加。这使得在环形交叉路口增加交通灯控制交通流量成为可能,从而缓解交通拥堵和驾驶冲突。本文旨在对普通双车道回旋处的交通模型进行改进,分析在大交通流场景下,不同的交通灯控制方式是否有利于提高回旋处的交通效率。建立了四种改进模型,并与基本双车道环形交叉口和信号交叉口进行了比较。基于两种不同交通流量的场景,通过多种评价指标分析了这些模型的性能。结果表明,在两种场景下,中心交叉的环形交叉口的性能最好,证明了这两种交通灯控制方式在交通繁忙场景下无法提高环形交叉口的通行效率。
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引用次数: 0
An Efficient Spine Segmentation Method 一种高效的脊柱分割方法
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185522
Yuhang Meng, Longfei Zhou, Tianrun Xu, Junrui Wan, Xinyu Zhang, Zhong Wang
The spine is the most complex load-bearing structure in the human body, and herniated discs, spinal stenosis, and degenerative discs are common spinal disorders. MRI is an effective imaging method in medicine, but the identification and quantitative analysis of lesions require physician judgment, which is not only a huge workload but also carries the subjective judgment of physicians, and such drawbacks can be solved by using image segmentation technology. In this paper, we propose an efficient spine segmentation method consisting of selective preprocessing and post-processing and an improved UNET network structure. In the selective pre-post processing, meaningful parts of the MRI are selected for random input, and the selected parts are effectively restored back to the original size of the segmented image. In the improved UNET network, differing from the traditional UNET structure, the perceptual field of the image input is increased by using inflated convolution, and the attention mechanism is added in the up-sampling and down-sampling end parts for better filtering of features. The experimental results show that our method outperforms the traditional method by substantially reducing the training elapsed time and performing well in terms of the accuracy of the model.
脊柱是人体最复杂的承重结构,椎间盘突出、椎管狭窄、椎间盘退变是常见的脊柱疾病。MRI是医学上一种有效的成像方法,但病变的识别和定量分析需要医生的判断,不仅工作量巨大,而且还带有医生的主观判断,利用图像分割技术可以解决这些缺点。在本文中,我们提出了一种高效的脊柱分割方法,包括选择性的预处理和后处理以及改进的UNET网络结构。在选择性的前后处理中,选取MRI图像中有意义的部分进行随机输入,所选取的部分有效地恢复到分割后图像的原始大小。在改进的UNET网络中,与传统的UNET结构不同,通过膨胀卷积增加了图像输入的感知场,并在上采样和下采样端加入了注意机制,以更好地过滤特征。实验结果表明,我们的方法大大减少了训练时间,在模型的准确性方面表现良好,优于传统方法。
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引用次数: 0
The Effect of English Text Readability on Speech Duration of Second Language Learners 英语文本可读性对第二语言学习者言语持续时间的影响
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185480
Tomoko Nariai, S. Itai, Hiroaki Kojima
In order to facilitate active communication among people of various cultural and linguistic backgrounds, it is necessary to learn a second language that is linguistically different from one’s native language. The difficulty in learning second language is thought to depend on readability. Most research on the validity of readability assessment has focused on native speakers. Moreover, most of the few studies of readability with second language learners have focused on textual data. This study analyzed actual speech data to determine the effects of word frequencies, syllable structures, and grammatical functions used to estimate the relation with readability on word duration. We compared English word durations in native English speakers and native Japanese speakers. It is hypothesized that highly readable words, i.e., those that are simple and familiar, would be easier for Japanese to utter and shorter in duration, but the opposite was found in the experiment. This suggests that the features adopted for native English speakers as readability indicators are not fully compatible with Japanese speakers.
为了促进不同文化和语言背景的人之间的积极交流,有必要学习一门在语言上不同于母语的第二语言。人们认为学习第二语言的难度取决于其可读性。大多数关于可读性评估效度的研究都集中在母语使用者身上。此外,大多数针对第二语言学习者的可读性研究都集中在文本数据上。本研究通过分析实际语音数据,确定词频、音节结构和语法功能对词时长的影响。我们比较了以英语为母语的人和以日语为母语的人的英语单词时长。据推测,高可读性的单词,即那些简单和熟悉的单词,对日本人来说更容易发音,持续时间也更短,但实验结果却恰恰相反。这表明母语为英语的人所采用的可读性指标与日语的人并不完全兼容。
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引用次数: 0
A Novel Dynamical Weight Hegselmann–Krause Model based on Spiral of Silence 一种基于沉默螺旋的动态加权Hegselmann-Krause模型
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185469
Jiawei Ruan
The opinion dynamics, which utilizes mathematical and physical models to investigate the spreading of opinions in social networks, has drawn attention of researchers in related fields these years, on its excellent performance in evaluating and predicting the public mind on various general issues. In this paper, inspired by the Spiral of Silence (SOS) theory that shows people tend to alter their opinion to be confirmed with the dominant one considering the fear to be isolated, a novel Dynamical Weight Hegselmann-Krause (DWHK) model is proposed. Specifically, the variation of interpersonal influence as opinion spread in the community is considered, represented by dynamic weight in networks according to the SOS theory. Extensive experiments in different types of networks show the effectiveness and efficiency of the proposed model, considering the crowds corresponding to specific kinds of the spiral of silence.
近年来,利用数学和物理模型来研究社会网络中意见传播的意见动力学因其在评估和预测公众对各种一般问题的看法方面的优异表现而受到相关领域研究人员的关注。本文以沉默螺旋(SOS)理论为灵感,提出了一种新的动态权重Hegselmann-Krause (DWHK)模型。该理论表明,考虑到被孤立的恐惧,人们倾向于改变自己的观点,以证实主导观点。具体而言,根据SOS理论,考虑了意见在社区中传播时人际影响的变化,以网络中的动态权重表示。在不同类型的网络中进行的大量实验表明,考虑到特定类型的沉默螺旋对应的人群,所提出的模型是有效和高效的。
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引用次数: 0
Enhanced Video Caption Generation Based on Multimodal Features 基于多模态特征的增强视频字幕生成
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185501
Xuefei Huang, Wei Ke, Hao Sheng
Video caption is the automatically generated of abstract expressions for the content contained in videos. It involves two important fields — computer vision and natural language processing, and has become a considerable research topic in smart life. Deep learning has successfully contributed to this task with good results. As we know, video contains various modals of information, yet most of the existing solutions start from the visual perspective of video, while ignoring the equally important audio modal information. Therefore, how to benefit from additional forms of cues other than visual information is a huge challenge. In this work, we propose a video caption generation method that fuses multimodal features in videos, and adds attention mechanism to improve the quality of generated description sentences. The experimental results demonstrate that the method is well validated on the MSR-VTT dataset.
视频字幕是对视频内容自动生成的抽象表达。它涉及计算机视觉和自然语言处理两个重要领域,已成为智能生活中一个相当重要的研究课题。深度学习已经成功地为这项任务做出了贡献,并取得了良好的效果。众所周知,视频包含了多种多样的信息模态,但现有的解决方案大多是从视频的视觉角度出发,而忽略了同样重要的音频模态信息。因此,如何从视觉信息以外的其他形式的线索中获益是一个巨大的挑战。在这项工作中,我们提出了一种融合视频中多模态特征的视频字幕生成方法,并增加了注意机制来提高生成的描述句的质量。实验结果表明,该方法在MSR-VTT数据集上得到了很好的验证。
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引用次数: 0
Dynamical Simulation Study of Hybrid Solar-Fossil Fuel Thermochemical Storage and Electricity, Heat and Cold Generation System 太阳能-化石燃料热化学储能与电、热、冷混合发电系统的动态仿真研究
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185511
Ting He, Yufan Wen, Mingen Huo
As a distributed energy technology, hybrid solar-fossil fuel energy system (HS-FFES) has characteristics not only in the hybrid utilization of the renewable and conventional energy, but also in the efficient storage of thermal energy. The HS-FFES system obtains outstanding performance in upgrading solar heat to high-grade solar fuel and storing thermochemical energy with high energy density. However, investigations on the dynamic behaviors are inadequate. This paper constructs a dynamic model including the thermal inertia, reaction kinetics and turbomachinery rotational inertia. Then, the design/off-design working condition properties are presented to show the non-linearity of this system. Last, several typical day scenarios under different building types, seasons and cities were simulated. Simulation results show that the proposed HS-FFES can reach high efficiency with energy saving rate above 35 percent.
太阳能-化石燃料混合能源系统(HS-FFES)作为一种分布式能源技术,不仅具有可再生能源与常规能源的混合利用特点,而且具有热能的高效储存特点。HS-FFES系统在将太阳能热能转化为高级太阳能燃料和高能量密度的热化学能储存方面取得了突出的性能。然而,对其动力特性的研究还不充分。本文建立了包含热惯性、反应动力学和涡轮机械转动惯性的动力学模型。然后,给出了设计工况和非设计工况的特性来说明系统的非线性。最后,模拟了不同建筑类型、季节和城市的典型日场景。仿真结果表明,所提出的HS-FFES可以达到较高的效率,节能率在35%以上。
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引用次数: 0
A Multi-Hypothesis Tracker with Enhanced Appearance Model for Generic Crowded Scene 基于增强外观模型的多假设跟踪器
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185491
Cui Wang, Wei Ke, Zewei Wu, Z. Xiong
Pedestrian tracking studies have been facilitated by a large amount of surveillance apparatus in the city while also raising public privacy concerns. In this paper, we propose X-Tracking, a privacy-aware pedestrian tracking paradigm designed for vision systems in Smart City. It allows low-cost compatibility with existing surveillance architecture. To protect entities’ privacy, X-Tracking uses video pre-processing with desensitization so that identity information is unexposed to the tracking algorithm. We implement system-level privacy protection by redesigning the tracking framework that decouples all services based on a single responsibility principle. Then, we elaborate on the roles, behaviors, and protocols used in the new system and illustrate how the paradigm strikes a favorable balance between privacy protection and convenience services. Furthermore, we propose a new tracking task that aims to track humans in masking surveillance video. It is comparable to previous tracking tasks but considering the target with a distorted appearance poses new challenges for visual tracking. Finally, we evaluate the baseline algorithm on the task with a demo dataset.
城市中大量的监控设备为行人跟踪研究提供了便利,同时也引起了公众对隐私的担忧。在本文中,我们提出了X-Tracking,这是一种为智慧城市视觉系统设计的隐私感知行人跟踪范例。它允许低成本兼容现有的监控架构。为了保护实体的隐私,X-Tracking采用了脱敏视频预处理,使身份信息不会暴露在跟踪算法中。我们通过重新设计跟踪框架来实现系统级隐私保护,该框架基于单一责任原则解耦了所有服务。然后,我们详细阐述了新系统中使用的角色、行为和协议,并说明了范式如何在隐私保护和便利服务之间取得良好的平衡。此外,我们提出了一种新的跟踪任务,旨在跟踪隐藏监控视频中的人。它与以往的跟踪任务相当,但考虑到目标的畸变外观,对视觉跟踪提出了新的挑战。最后,我们用一个演示数据集评估了任务上的基线算法。
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引用次数: 0
A COVID-19 Vaccine Allocation Scheme Based on Queuing Model 基于排队模型的COVID-19疫苗分配方案
Pub Date : 2022-10-22 DOI: 10.1109/UV56588.2022.10185502
Boxuan Lai, Hongjun Chen
As the global pandemic becomes inevitable, it is necessary to promote large-scale vaccination as quickly as possible. This paper studies the allocation of COVID-19 vaccine in urban areas. First, the Wave-net method is used to predict the trend of future vaccination, and then the prediction results are fitted to obtain a mathematical model of vaccination in the next 90 days. Then, according to the queuing model, taking Daoli District and Gongshu District as examples, the policies of vaccine distribution in cities with different levels of development are analyzed. Finally, some practical suggestions on vaccine allocation in different cities are given.
随着全球大流行不可避免,有必要尽快促进大规模疫苗接种。本文研究了COVID-19疫苗在城市地区的分配情况。首先利用Wave-net方法对未来疫苗接种趋势进行预测,然后对预测结果进行拟合,得到未来90天疫苗接种的数学模型。然后,根据排队模型,以道里区和拱墅区为例,分析了不同发展水平城市的疫苗配送政策。最后,对不同城市的疫苗配置提出了切实可行的建议。
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引用次数: 0
期刊
2022 6th International Conference on Universal Village (UV)
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