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2017 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD)最新文献

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Condensed object representation with corner HOG features for object classification in outdoor scenes 基于角HOG特征的室外场景压缩对象表示方法
Tin-Tin Yu, Nu War
Nowadays, HOG (Histogram of Gradient) feature is extracted from the objects and using it in the classification tasks among the many visual application systems such as object tracking, action recognition and automated video surveillance. Most techniques of extraction HOG feature are based on cells and blocks. Although the HOG feature on cell and block are being robust for current visual systems, the alternative way to extract HOG feature that focus on corner points are presented in this paper. HOG features on corner points is extracted for multiple object detection system in which single or multiple moving objects are classified and labeled. And also comparison results on outdoor challenging sequences for HOG feature extraction on blocks and corners are provided with experimental results.
目前,在物体跟踪、动作识别、自动视频监控等视觉应用系统中,从物体中提取HOG (Histogram of Gradient)特征,并将其用于分类任务。大多数HOG特征提取技术都是基于细胞和块的。尽管在当前的视觉系统中,细胞和块上的HOG特征是鲁棒的,但本文提出了一种以角点为中心的HOG特征提取方法。在多目标检测系统中,对单个或多个运动目标进行分类和标记,提取角点上的HOG特征。在室外挑战序列上进行HOG特征提取的对比实验结果。
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引用次数: 3
Solving real-world facility layout problems using GA with Levy Flights and multi-decoding 利用遗传算法与列维航班和多解码解决现实世界的设施布局问题
Dongqing Zhao, C. Aranha, H. Kanoh
In this paper, we formulate a real-world Facility Layout Problem as a constraint satisfaction problem and propose a new method with a genetic algorithm. The created layout should reflect the desires of the users of the facility such as individuality, intuition, comfortableness, and convenience. We employed a GA using Levy Flights as basis for an improved mutation operator and used an island model GA with different decoding methods for each island. The experimental results show the effectiveness of the proposed method.
本文将现实世界中的设施布局问题表述为约束满足问题,并提出了一种新的遗传算法。所创建的布局应反映用户对设施的需求,如个性、直观、舒适和方便。我们采用了一种基于Levy航班的遗传算法作为改进的突变算子,并对每个岛屿使用不同解码方法的岛屿模型遗传算法。实验结果表明了该方法的有效性。
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引用次数: 1
Share-housing allocation information service system based on Pareto optimality 基于Pareto最优的合租房屋分配信息服务系统
Yang Xu, Shuwen Liu, Binglu Wang, Tianyi Liu, Zhengnan Liu
Compared to living alone, sharing housing with others is usually much cheaper. Meanwhile, share-housing life would exert mammoth impact on people's social activity and self development by help them save house rental cost and improve their life quality. This paper proposes an allocation information system for share-housing management, which takes into account preference on roommates' living habits, working performance and geography distribution. Moreover, Pareto optimality is utilized to facilitate the effect of share-housing allocation. Results of case study show that the three factors of living habits, working performance as well as geography distribution should be synthetically applied as a decision support for share-housing.
与独居相比,与他人合住通常要便宜得多。同时,合租生活对人们的社会活动和自我发展会产生巨大的影响,可以帮助人们节省房屋租赁成本,提高生活质量。本文提出了一种考虑室友生活习惯偏好、工作绩效偏好和地理分布偏好的合租管理分配信息系统。此外,利用帕累托最优来促进共享住房分配的效果。案例研究结果表明,居住习惯、工作绩效和地理分布三个因素应综合应用,作为合租的决策支持。
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引用次数: 0
Long short-term memory networks for automatic generation of conversations 自动生成对话的长短期记忆网络
T. Fujita, Wenjun Bai, Changqin Quan
Human Machine Interface demands the communicative propriety that would be applied in various linguistic tasks. In this research, we develop an intelligent ‘chat bot’, which generates conversational sentences via recurrent neural network and its coupled memory unit, long short-term memory (LSTM). Word strings in conversations are considered as time series data. Using a single neural network model that performs a simple task of outputting the next word from the preceding word, a conversational sentence can be generated by connecting the words. In the experiment, we performed the linguistic ‘Turning Test’ to evaluate the proposed system.
人机界面需要在各种语言任务中应用的交际得体性。在这项研究中,我们开发了一个智能“聊天机器人”,它通过循环神经网络及其耦合记忆单元长短期记忆(LSTM)生成会话句子。对话中的单词字符串被视为时间序列数据。使用单个神经网络模型,执行从前一个单词输出下一个单词的简单任务,可以通过连接单词来生成会话句子。在实验中,我们进行了语言学“转向测试”来评估所提出的系统。
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引用次数: 5
A network state based reliability evaluation model for WSNs 基于网络状态的无线传感器网络可靠性评估模型
Ning Sun, Jiahao Xu, H. Wei, Hongxia Miao, Jin Wang
Reliability is an important research issue in wireless sensor networks(WSNs). Many literatures about how to improve network reliability in WSNs have been proposed, however the research on establishing evaluation models of reliability for WSNs is yet insufficient. In this paper, a model to evaluate the reliability of wireless sensor networks (WSNs) is proposed. This network state based model can effectively evaluate the probability of successful transmission of data packets in WSNs with the consideration of the work states of both the sensor node's different modules and the quality of the communication link. We evaluated the reliability of WSNs in single task and multi-task mode. At the same time, how different network topologies, such as flat and clustering structures, affect the reliability of WSNs is also discussed respectively. Furthermore, some typical reliable strategies, such as retransmission, multi-path transmission and multiple sink nodes, are analyzed and evaluated. The simulation attempts to evaluate the reliability of WSNs quantitatively and the results have shown the impacts of network state on reliability and the effectiveness in different reliable mechanisms.
可靠性是无线传感器网络研究的一个重要问题。关于如何提高无线传感器网络的可靠性,已有很多文献提出,但建立无线传感器网络可靠性评估模型的研究还不够。本文提出了一种评估无线传感器网络可靠性的模型。该基于网络状态的模型可以在考虑传感器节点不同模块的工作状态和通信链路质量的情况下,有效地评估wsn中数据包成功传输的概率。我们评估了单任务和多任务模式下WSNs的可靠性。同时,还讨论了平面结构和聚类结构等不同的网络拓扑结构对无线传感器网络可靠性的影响。在此基础上,对重传、多径传输和多汇聚节点等典型可靠策略进行了分析和评价。仿真试图定量评估无线传感器网络的可靠性,结果显示了网络状态对可靠性的影响以及在不同可靠机制下的有效性。
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引用次数: 8
HHT-based remote respiratory rate estimation in thermal images 基于hht的热图像呼吸速率远程估计
Duan-Yu Chen, JyunTing Lai
Thermal image has many applications on image processing such as human detection, face recognition and physiological signal evaluation, etc. The respiratory rate is an important physiological signal, and it is highly related to emotion and some diseases. Therefore, we propose a non-contact method to estimate the respiratory rate from thermal image in this paper. Thermal image can provide the information about temperature distribution, so we can use this property to evaluate the breath signal on it. In this work, we use the visual image to detect the face and nose region to locate the ROI for breath signal extraction, then use the histogram equalization to enhance the contrast of thermal image. To make the breath signal more obvious, we proposed a method to find a mask from ROI with Otsu threshold method among some accumulated frames. In addition, Kanade-Lucas-Tomasi (KLT) tracking method is employed to tack the subject to prevent the ROI location error. Next, breath signal is decomposed by Hilbert-Huang Transform (HHT) into some intrinsic mode functions (IMFs). Finally, respiratory rate is estimated by counting the approximate zero-crossing points which are correlated to breathe cycle.
热图像在人体检测、人脸识别、生理信号评估等图像处理领域有着广泛的应用。呼吸频率是一种重要的生理信号,它与情绪和某些疾病密切相关。因此,本文提出了一种非接触式的呼吸速率估计方法。热图像可以提供有关温度分布的信息,因此我们可以利用这一特性来评估其上的呼吸信号。本文首先利用视觉图像检测人脸和鼻子区域定位感兴趣区域进行呼吸信号提取,然后利用直方图均衡化方法增强热图像的对比度。为了使呼吸信号更加明显,我们提出了一种利用Otsu阈值法从感兴趣区域中从一些累积帧中寻找掩模的方法。此外,采用Kanade-Lucas-Tomasi (KLT)跟踪方法对被试进行跟踪,防止ROI定位误差。然后,利用希尔伯特-黄变换(Hilbert-Huang Transform, HHT)将呼吸信号分解为若干内禀模态函数(IMFs)。最后,通过计算与呼吸循环相关的近似过零点来估计呼吸速率。
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引用次数: 6
Batch-based flash crowd relaxation in cloud-assisted P2P live streaming 云辅助P2P直播中基于批处理的快闪人群放松
Shuji Jinbo, Bahaa Aldeen Alghazawy, S. Fujita
This paper proposes a batch-based method to effectively relax the flash crowd in P2P live streaming systems with the aid of the cloud. The role of the cloud is twofolds. The first one is to determine the concrete overlay structure of batches consisting of nodes waiting in the request queue which is restricted to be a multiple-spanning-tree. With this approach we could maximize the resource utilization in each batch without increasing the load of the tracker. The second one is to feed recently issued chunks to the gateway of batches before connecting them to the existing overlay. The performance of the proposed method is evaluated by simulation. The result of simulations indicates that: 1) the proposed method reduces the waiting time of conventional method by 80%, and 2) the amount of data fetched from the cloud could effectively be reduced by decreasing the size of batches.
本文提出了一种基于批处理的方法,借助云技术有效地缓解P2P直播系统中的flash人群。云的作用是双重的。首先,确定请求队列中等待节点组成的批次的具体覆盖结构,该请求队列被限制为多重生成树。通过这种方法,我们可以在不增加跟踪器负载的情况下最大化每个批处理的资源利用率。第二种方法是在将最近发布的块连接到现有覆盖之前,将其馈送到批量网关。通过仿真对该方法的性能进行了评价。仿真结果表明:1)该方法将传统方法的等待时间缩短了80%;2)通过减小批的大小,可以有效地减少从云端获取的数据量。
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引用次数: 3
Transitional approach to evaluate customer satisfaction for e-Books 评估电子书用户满意度的过渡方法
M. Iwashita
An ongoing problem facing all companies is how to continuously satisfy customers. Customer satisfaction has been generally determined to be an indicator utilized by companies to improve goods and services for customer retention. Since information and communication technology (ICT) is rapidly developing in every field, companies should adequately capture customers' changing mindset or the underlying dissatisfaction factors concerning ICT services, and determine the plans to improve customer satisfaction. For this reason, the transitional evaluation approach is required for goods and services related to ICT when considering the changes in circumstances in addition to the evaluation, which merely finds items with a high dissatisfaction score. This paper focuses on e-Books and provides interpretation to transitional evaluation with questionnaire results for three years. Moreover, the method of determining the improvement factors for e-Books is reviewed.
所有公司面临的一个持续的问题是如何持续地满足客户。客户满意度通常被确定为公司用来改善产品和服务以保持客户的指标。由于信息通信技术(ICT)在各个领域都在迅速发展,企业应充分捕捉客户对ICT服务的不断变化的心态或潜在的不满意因素,并确定提高客户满意度的计划。因此,除了仅发现不满意分数较高的项目的评价外,在考虑环境变化时,还需要对信息通信技术相关的商品和服务采用过渡性评价方法。本文以电子图书为研究对象,对三年的问卷过渡性评价结果进行了解读。此外,本文还回顾了确定电子书改进因素的方法。
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引用次数: 0
A modification of retake detection using simple signature and LCS algorithm 基于简单签名和LCS算法的重拍检测改进
Narongsak Putpuek, N. Cooharojananone, S. Satoh
Rushes videos consist of two types of content: the useless content and the redundant content (retakes). Then, automatic retake detection is more challenging due to the difficulty of eliminating repetitive takes, that are usually have different lengths and motion patterns. To overcome this challenge, previous approaches represent video segments using a longer string which is converted from SIFT matching, or a combination of different features. However, these require a large computational time and do not assist in improving a performance. In this work, we introduce a simple signature (global feature) to represent video segments because of its simplicity and effectiveness. The similarity between each pair of signature sequences was determined by using the Longest Common Subsequence algorithm (LCS). A simple retake detection was then used to detect a retake. This proposed was applied to the TRECVID BBC Rushed 2007 and 2008. The results showed that using a simple signature provides a high degree of accuracy, and reduces a computation time in feature extraction and LCS matching.
rush视频包含两种类型的内容:无用的内容和冗余的内容(重拍)。然后,自动重拍检测更具挑战性,因为很难消除重复拍摄,这些重复拍摄通常具有不同的长度和运动模式。为了克服这一挑战,以前的方法使用从SIFT匹配转换的更长的字符串或不同特征的组合来表示视频片段。然而,这些需要大量的计算时间,并且无助于提高性能。在这项工作中,我们引入了一个简单的签名(全局特征)来表示视频片段,因为它简单有效。采用最长公共子序列算法(LCS)确定每对签名序列的相似性。然后使用简单的重拍检测来检测重拍。该建议适用于2007年和2008年的TRECVID BBC rush。结果表明,使用简单的签名可以提供较高的准确性,并且减少了特征提取和LCS匹配的计算时间。
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引用次数: 2
The influence of Twitter on education policy making Twitter对教育政策制定的影响
Mwana Said Omar, A. Njeru, Sun Yi
The explosive growth and influence of social media and microblogging sites has paved a way for internet users to freely express their views, opinions and share their experiences with others. With over 319 million users, Twitter presents a unique and dynamic source of information on people's interests and opinions and a rich source of data for sentiment analysis. This paper will discuss the influence of twitter on education policy making. The study aims at helping education policy makers to develop and implement policies that responds to the publics needs.
社交媒体和微博网站的爆炸式增长和影响力为互联网用户自由表达自己的观点、观点和与他人分享自己的经历铺平了道路。Twitter拥有超过3.19亿用户,为人们的兴趣和观点提供了独特而动态的信息来源,并为情感分析提供了丰富的数据来源。本文将讨论推特对教育政策制定的影响。这项研究旨在帮助教育政策制定者制定和实施符合公众需要的政策。
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引用次数: 5
期刊
2017 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD)
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