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2015 10th International Conference on Computer Science & Education (ICCSE)最新文献

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Modeling urban growth by cellular automata: A case study of Xiamen City, China 基于元胞自动机的城市增长建模——以厦门市为例
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250326
Xinxin Zhang, X. Lin, Shunzhi Zhu
This paper focus on the modeling of urban growth with regional difference. Firstly, two land use change map of Xiamen city in 2001 and 2007 were acquired by classification based on satellites images. Secondly, nine kinds of driving factors, which were derived from points of interest (POI) and DEM, were also selected by using distance analysis of GIS. Those factors include public services, economic, political and geographical aspects. Basing on these data, this study adopts logistic regression (LR) model to analysis the urban transition and effects contributed by driving factors. The overall accuracy rate of LR model is up to 81.9%-85.9% and the ROC is 0.896, indicating that it is capable to quantitative analysis the mechanism of different driving factors and the spatial-temporal land use change. Finally, a constrained CA model is applied to simulate and predict the future land use situation of Xiamen in 2020. The simulation results reveal that the increasing areas of construction are mainly located outside of the Xiamen Island. The overall land supply and demand are in contradiction obviously, which may lead to increasing pressure on farmland protection. In general, land use issues would become the main bottlenecks of the development of economic and society in Xiamen city. The prediction results can provide reliable guidance about policy implementation for land use planning department.
本文主要研究具有区域差异的城市增长模型。首先,利用卫星影像分类获取厦门市2001年和2007年2幅土地利用变化图。其次,利用地理信息系统的距离分析,从感兴趣点(POI)和DEM中提取9种驱动因子。这些因素包括公共服务、经济、政治和地理方面。在此基础上,采用logistic回归(LR)模型分析城市转型及其驱动因素的影响。LR模型总体准确率达81.9% ~ 85.9%,ROC为0.896,能够定量分析不同驱动因素的作用机制和土地利用时空变化。最后,应用约束CA模型对厦门市2020年土地利用状况进行了模拟和预测。模拟结果表明,建设面积增加的地区主要集中在厦门岛以外。土地总体供需矛盾明显,耕地保护压力增大。总体而言,土地利用问题将成为厦门市经济社会发展的主要瓶颈。预测结果可为土地利用规划部门的政策实施提供可靠的指导。
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引用次数: 3
Construction of self-regulated learning mode with the support of flipped classroom 翻转课堂支持下自主学习模式的构建
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250364
Yuan Jiugen, Xing Ruonan, Kuang Rongrong
Self-regulated learning plays a huge role in self-regulated learning. Self-regulated behavior of learners with self-regulated learning ability has spontaneity, freedom and self and other features. This article describes self-regulated learning can play in the flipped classroom and three self-regulated learning mode: teachers guide learning, cooperative learning and parents to participate in group learning. In order to better cultivate students' self-regulated learning ability, improve the self-regulated learning efficiency of the students in flipped classroom.
自我调节学习在自我调节学习中起着巨大的作用。具有自主学习能力的学习者的自主行为具有自发性、自由性和自我性等特点。本文阐述了自主学习在翻转课堂中可以发挥的作用和三种自主学习模式:教师引导学习、合作学习和家长参与小组学习。为了更好地培养学生的自主学习能力,提高学生在翻转课堂中的自主学习效率。
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引用次数: 0
Research of flipped classroom network application system 翻转课堂网络应用系统的研究
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250368
Jiugen Yuan, Zhiguo Li, Ruonan Xing
Based on the B/S three layers architecture, I'll design network teaching system to support the flipped classroom model and then expatriate the teaching process in flipped classroom based on this system model, which provides a strong information technology support for the flipped classroom teaching, and is helpful to reduce the difficulty of implementing flip classroom, to improve learning efficiency and teaching effect.
基于B/S三层架构,设计支持翻转课堂模式的网络教学系统,并基于该系统模型对翻转课堂教学过程进行外化,为翻转课堂教学提供强有力的信息技术支持,有助于降低翻转课堂实施难度,提高学习效率和教学效果。
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引用次数: 1
Engineering undergraduate's science and technology competition system construction and engineering practice ability cultivation based on TRIZ-CDIO theory 基于TRIZ-CDIO理论的工科大学生科技竞赛体系构建与工程实践能力培养
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250379
Jia Jin-gang, Han Ying-shuai, Zhang Jian-yi, Zhang Yong-de, Yang Wei
Aiming to the engineering practice ability demand for engineering undergraduate, how to cultivate the engineering practice ability of engineering undergraduate, have become a key issue of China higher education research. Based on the analysis of existing problem of engineering practice ability cultivation, the relation among TRIZ-CDIO theory, science and technology competition and engineering practice ability is analyzed. Based on the elaborating of the TRIZ traditional theoretical system and CDIO engineering educational approach, CDIO engineering education mode and TRIZ innovation theory is integrated as TRIZ-CDIO theory. And the influence of TRIZ-CDIO theory, science and technology competition on engineering practice ability is analyzed. Through the analysis of insufficient in the process of science and technology competition, integration platform of science and technology competition is established. Some achievements are obtained. Science and technology competition is an important part of the reform of CDIO engineering education and TRIZ theory, and it plays a key role in the engineering practice ability cultivation of engineering undergraduate.
针对工科本科生的工程实践能力需求,如何培养工科本科生的工程实践能力,已成为中国高等教育研究的一个关键问题。在分析工程实践能力培养存在问题的基础上,分析了TRIZ-CDIO理论、科技竞争与工程实践能力之间的关系。在阐述TRIZ传统理论体系和CDIO工程教育方法的基础上,将CDIO工程教育模式与TRIZ创新理论整合为TRIZ-CDIO理论。分析了TRIZ-CDIO理论、科技竞赛对工程实践能力的影响。通过分析科技竞争过程中存在的不足,建立了科技竞争一体化平台。取得了一定的成绩。科技竞赛是CDIO工程教育和TRIZ理论改革的重要组成部分,对工科大学生工程实践能力的培养起着关键作用。
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引用次数: 0
Trigger of TEMPEST testing standard update 触发TEMPEST测试标准更新
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250270
Jinming Liu, Mao Jian
The TEMPEST security testing is to minimize computers and digital equipments from electromagnetic emanations and to achieve information security. With the performance boost of receiver sets, the testing standard must be updated. This paper designs a mathematical model for TEMPEST testing, analyzes the key factor's promotions, and recommends timing for the TEMPEST standard update.
TEMPEST安全测试是为了最大限度地减少计算机和数字设备的电磁辐射,实现信息安全。随着接收机性能的提高,测试标准必须更新。本文设计了TEMPEST测试的数学模型,分析了促进TEMPEST标准更新的关键因素,提出了TEMPEST标准更新的时机建议。
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引用次数: 3
Bluetooth technology: A global tool in communication industry for prevention of accidents 蓝牙技术:通信行业预防事故的全球性工具
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250279
Oyedemi Jacob Folasayo, A. Salami
In the African countries today, the Ebola virus becomes the most killer disease. While, the world is plagued by accidents that are due to human errors in judgment and thousands of lives are lost. These accidents can be avoided by using Bluetooth devices to alert the drivers of approaching danger. This can be use in monitoring the distance between nearby cars and alerting the driver whenever the distance becomes too close. This research work proposes the use of Bluetooth Technology for checking the speed of the car whenever it comes close to any other vehicle up front, thus saving many lives.
在今天的非洲国家,埃博拉病毒成为最致命的疾病。然而,由于人类判断失误,世界上经常发生事故,成千上万的人失去了生命。这些事故可以通过使用蓝牙设备来提醒司机即将到来的危险来避免。这可以用于监控附近车辆之间的距离,并在距离变得太近时提醒驾驶员。这项研究工作建议使用蓝牙技术来检查汽车的速度,当它靠近前面的任何其他车辆时,从而挽救了许多生命。
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引用次数: 2
HVS and MBNS based steganography algorithm design and implementation 基于HVS和MBNS的隐写算法设计与实现
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250336
Ren Chen, Shun-Zhi Zhu, Jian-Feng Cui, Guiling Li, Wei Li, Keshuo Wu
This paper proposes an image information hiding algorithm which bases on the HVS and MBNS. This algorithm uses the characteristics of Human Visual System (HVS) to embedded more large amounts of data according to different area to achieve different degree of embedded, and pixels in smooth areas corresponding the base of small, pixels in complex areas corresponding the base of great, and then the secret information segment can be embedded into the image based on modular arithmetic. A case study is provided to demonstrate the fact that this method achieve the efficient load and ensure the lowest rate of image distortion that relative to most standard test images.
提出了一种基于HVS和MBNS的图像信息隐藏算法。该算法利用人类视觉系统(HVS)的特点,根据不同的区域嵌入更大量的数据,实现不同程度的嵌入,平滑区域的像素对应基小,复杂区域的像素对应基大,然后基于模块化算法将秘密信息段嵌入到图像中。实例研究表明,该方法实现了有效的加载,并确保了相对于大多数标准测试图像的最低图像失真率。
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引用次数: 2
Teaching research and practice of FPGA-based multi-core parallel computing course 基于fpga的多核并行计算课程教学研究与实践
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250260
Ying Li, Jiong Zhang, Xin Ren
Multicore related courses delivered or several years in universities, while mostly were parallel programming or just simulation with desktop software. This paper presented very hard approaches with FPGA to run up to 13 cores in a token ring, dedicated tool chains were used to compile and link C code into the executable object code. Especially, different parallel programming solutions of TSP (Travel Salesman Problem) were arranged for easy to difficult level of the course to let the student know the essential concepts of parallel architecture like synchronization, message, shared memory, barrier, etc. Several algorithms were involved with great disparity in performance comparison. In this course, both software and hardware skills were drilled, even slightly modification of the HDL designing of the cores were required. The course was based on the MIT course Multicore Systems Laboratory (6.173) and made some extensions, tried a new way to let the students to sense the multicore system architecture.
多核相关的课程在大学里学习了几年,而大多数是并行编程或只是用桌面软件进行模拟。本文提出了用FPGA在令牌环中运行多达13个核的非常困难的方法,使用专用工具链将C代码编译并链接到可执行的目标代码中。特别地,在TSP (Travel Salesman Problem)的并行编程问题中,按照易到难的顺序安排了不同的并行编程解决方案,让学生了解并行架构的基本概念,如同步、消息、共享内存、屏障等。几种算法在性能比较上存在较大差异。在这门课程中,软件和硬件技能都被训练,甚至需要稍微修改内核的HDL设计。本课程以MIT课程《多核系统实验室》(6.173)为基础,做了一些扩展,尝试了一种让学生感知多核系统架构的新方法。
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引用次数: 0
A wavelet neural network model for spatio-temporal image processing and modeling 基于小波神经网络的时空图像处理与建模
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250228
Hua-Liang Wei, Yifan Zhao, Richard M. Jiang
Spatio-temporal images are a class of complex dynamical systems that evolve over both space and time. Compared with pure temporal processes, the identification of spatio-temporal models from observed images is much more difficult and quite challenging. Starting with an assumption that there is no a priori information about the true model but only observed data are available, this work introduces a new type of wavelet network that utilizes the easy tractability and exploits the good properties of multiscale wavelet decompositions to represent the rules of the associated spatio-temporal evolutionary system. An application to a chemical reaction exhibiting a spatio-temporal evolutionary behaviour, is investigated to demonstrate the application of the proposed modeling and learning approaches.
时空图像是一类复杂的动态系统,它随时间和空间的变化而变化。与纯粹的时间过程相比,从观测图像中识别时空模型要困难得多,而且具有很大的挑战性。本文从没有关于真实模型的先验信息而只有观测数据的假设出发,引入了一种新型的小波网络,该网络利用了多尺度小波分解的易追踪性和良好的特性来表示相关时空演化系统的规则。一个应用于化学反应表现出时空演化行为,被调查,以证明所提出的建模和学习方法的应用。
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引用次数: 1
A face recognition algorithm based on LLE-SIFT feature descriptors 基于LLE-SIFT特征描述符的人脸识别算法
Pub Date : 2015-07-22 DOI: 10.1109/ICCSE.2015.7250341
Ye Jihua, Shi Shuxia, Chen Yahui
Scale Invariant Feature Transform(SIFT) could influence the real time due to a higher dimension calculation and a longer computation time in large-scale data storage and computing. This paper presents a concept about LLE-SIFT feature descriptors with LLE algorithm. The first step is to calculate feature points of all train images by the standard SIFT algorithm, and searching the neighbor area of these points in the original image, then calculating the gradient of the horizontal direction and the vertical direction to form a vector matrix, whose dimension is reduced by LLE algorithm to obtain a projection matrix. The second step is to obtain the neighbor area using the critical information of points in the scale image, and calculating the horizontal direction and the vertical direction of the neighbors area to form a vector matrix, then the LLE-SIFT feature descriptor is the multiplied of the vector matrix and the projection matrix. Experiments shows that LLE-SIFT is effective.
尺度不变特征变换(Scale Invariant Feature Transform, SIFT)在大规模数据存储和计算中,由于计算维度较高,计算时间较长,影响了实时性。本文提出了基于LLE算法的LLE- sift特征描述子的概念。首先,通过标准SIFT算法计算所有列车图像的特征点,并在原始图像中搜索这些点的邻近区域,然后计算水平方向和垂直方向的梯度形成向量矩阵,通过LLE算法降维得到投影矩阵。第二步是利用尺度图像中点的关键信息获取相邻区域,并计算相邻区域的水平方向和垂直方向形成向量矩阵,然后LLE-SIFT特征描述子是向量矩阵和投影矩阵的乘积。实验表明,LLE-SIFT算法是有效的。
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引用次数: 3
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2015 10th International Conference on Computer Science & Education (ICCSE)
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