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2018 International Conference on Intelligent Systems and Computer Vision (ISCV)最新文献

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Vehicle counting system in real-time 车辆实时计数系统
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354033
Salma Bouaich, Mohamed Adnane Mahraz, Jamal Rifïi, H. Tairi
To address the challenge of congestion, we propose a system that estimates the state of the road. To do that, we must be gone through several steps. In this work, we will present the first and the important step to estimate the vehicle flow; this later helps us to count the vehicles using the virtual line. Generally, we start with the background subtraction to isolate moving objects. To facilitate crossing of vehicles with the line, we apply the detection of objects. Our system uses the K-nearest neighbor (KNN) as a method to subtract the background, in order to apply our counting algorithm.
为了解决拥堵问题,我们提出了一个估算道路状况的系统。要做到这一点,我们必须经过几个步骤。在这项工作中,我们将介绍估计车辆流量的第一步,也是最重要的一步;稍后这将帮助我们计算使用虚拟线的车辆数量。通常,我们从背景减法开始,以隔离运动物体。为了方便车辆通过该线,我们应用了物体检测。我们的系统使用k近邻(KNN)作为减去背景的方法,以便应用我们的计数算法。
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引用次数: 9
Developing a decision making support tool for planning customer satisfaction strategies in microfinance industry 开发小额信贷行业客户满意度策略规划的决策支持工具
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354054
Youssef Lamrani Alaoui, M. Tkiouat
The failure of the microfinance institution (MFIs) to respond to their customers' needs and expectations is one of the main reasons they lose customers. Nowadays, customer satisfaction becomes a central concern for MFIs in order to improve the quality of their products and services. The aim of this study is to develop a decision making support tool that can help managers in microfinance industry perform scenarios analysis and then plan customer satisfaction strategies. We managed to build a Bayesian networks model; such approach is widely required for modeling complex systems characterized by scarce or uncertain information. It has also the ability to take into account several factors and the interactions among them, which can successfully meet the current study requirements.
小额信贷机构未能满足客户的需求和期望是其失去客户的主要原因之一。如今,为了提高产品和服务质量,客户满意度成为小额信贷机构关注的焦点。本研究的目的是开发一个决策支持工具,以帮助小额信贷行业的管理者进行情景分析,然后规划客户满意度策略。我们设法建立了一个贝叶斯网络模型;这种方法被广泛用于以稀缺或不确定信息为特征的复杂系统的建模。它还具有考虑多个因素及其相互作用的能力,可以成功地满足当前的学习要求。
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引用次数: 1
Fabric classification using new mapping of local binary pattern 基于局部二值模式新映射的织物分类
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354026
Amir Reza Rezvan Talab, M. H. Shakoor
This research proposes a new mapping technique of Local Binary Patterns (LBPs) for texture classification. Mapping is an approach for producing a vector of features from the features that are extracted. This mapping method is based on extending nonuniform patterns for better classification of defects in patterned fabrics. By extending nonuniform patterns, a new mapping technique is suggested that extracts more discriminative features from textures. This new mapping can be used for various types of LBP and is tested for CLBP operator to show the improvement on the accuracy of the classification. The developed mapping technique is rotation invariant and has all the positive points of previous approaches. The proposed approach can code nonuniform patterns into more than one feature for producing distinctive features and better classification rate. Implementation of the proposed mapping on our patterned dataset shows that proposed method can improve the classification accuracy. Besides, the suggested approach improves the classification rate for all types of LBPs, particularly those with large neighborhoods.
本研究提出了一种新的局部二值模式映射技术用于纹理分类。映射是一种从提取的特征中生成特征向量的方法。这种映射方法是基于扩展非均匀模式,以便更好地对图案织物中的缺陷进行分类。通过扩展非均匀模式,提出了一种新的映射技术,可以从纹理中提取更多的判别特征。这种新的映射可以用于各种类型的LBP,并对CLBP算子进行了测试,以显示分类精度的提高。所开发的映射技术具有旋转不变性,并且具有以往方法的所有正点。该方法可以将非均匀模式编码为多个特征,从而产生明显的特征和更好的分类率。在我们的模式数据集上的实现表明,所提出的映射方法可以提高分类精度。此外,该方法提高了所有类型的lbp的分类率,特别是那些具有大邻域的lbp。
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引用次数: 3
ASK-modulator design of RFID tag in 180nm CMOS technology 180nm CMOS技术下RFID标签的ask调制器设计
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354011
Abdelali El Boutahiri, Karim El khadiri, H. Qjidaa, A. Aarab, R. El Alami, L. Zenkouar
This paper presents the simulation results of an Amplitude-shift keying (ASK) modulator in 180nm CMOS technology for an radio frequency identification (RFID) tag. It can operates even at low voltage VDD=1V. This modulator based on the voltage multiplier. The proposed circuit can made the multiplication of two signals, a carrier signal (high frequency sinusoidal signal) and a modulating signal (low frequency signal), we chose a square signal that has a binary sequence of data to transmit, the output voltage presents a variation of amplitude of the carrier and is called the modulated signal. We designed two circuits do the same function and can be used for RFID tags.
本文介绍了一种用于射频识别(RFID)标签的180nm CMOS技术移幅键控(ASK)调制器的仿真结果。它可以工作在低电压VDD=1V。该调制器基于电压倍增器。所提出的电路可以使两个信号相乘,一个载波信号(高频正弦信号)和一个调制信号(低频信号),我们选择一个具有二进制数据序列的平方信号进行传输,输出电压呈现载波的幅值变化,称为调制信号。我们设计了两个电路来实现相同的功能,并且可以用于RFID标签。
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引用次数: 3
3D tilt sensing by using accelerometer-based wireless sensor networks: Real case study: Application in the smart cities 使用基于加速度计的无线传感器网络的3D倾斜传感:真实案例研究:在智慧城市中的应用
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354013
Christophe Ishimwe Ngabo, Omar El Beqqali
Real-time tilt sensing in urban areas can provide crucial information regarding the instant evolution of sensitive assets of the city to better safeguard the sites sustainability and security of people. In this paper, we proposed a novel approach based on the accelerometer sensor to recognize tilt angle between the vertical plan (the light poles along the road, the transmission tower, crossing bridges, etc.) and the ground. Indeed, we used the tri-axial accelerometer embedded in a Wireless Sensor Network (WSN) platform manufactured by Libellium, named “Waspmote Starter Kit”. The collected data are sent from one sensor node to another until the gateway and then to the processing center. Our recognition method uses the calculation and mapping of the values sensed by an accelerometer to a corresponding angle. The z-component corresponding to the gravity allows recognizing the real-time tilt of the horizontal plane while the x and y-components indicate in which side the plan is bent. This approach is applied to the smart city to provide an effective solution for real-time electric transmission pole monitoring. A computer program processes the angle results of the mapping and plots the 3D scene on the monitoring screen reproducing the behaviour of electric pole remotely located. The experimental results of our approach are satisfactory because the average error that can be committed by comparing the calculated and measured angle is about 1.0.
城市地区的实时倾斜传感可以提供有关城市敏感资产即时演变的关键信息,以更好地保障场地的可持续性和人们的安全。本文提出了一种基于加速度计传感器的垂直平面(道路上的灯杆、输电塔、过桥等)与地面倾斜角识别的新方法。实际上,我们使用了嵌入在Libellium制造的无线传感器网络(WSN)平台中的三轴加速度计,该平台名为“Waspmote Starter Kit”。收集到的数据从一个传感器节点发送到另一个传感器节点,直到网关,然后发送到处理中心。我们的识别方法使用计算并将加速度计感知的值映射到相应的角度。对应于重力的z分量允许识别水平面的实时倾斜,而x和y分量则表示平面的哪一侧弯曲。将该方法应用于智慧城市,为输变电杆实时监控提供了有效的解决方案。计算机程序处理测绘的角度结果,并在监控屏幕上绘制三维场景,再现远程定位的电线杆的行为。实验结果令人满意,计算角与实测角的平均误差在1.0左右。
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引用次数: 3
Thermal effect analysis of brain tumor on simulated T1-weighted MRI images 模拟t1加权MRI图像对脑肿瘤的热效应分析
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354083
Abdelmajid Bousselham, O. Bouattane, M. Youssfi, A. Raihani
This study analyzed the thermal effect of brain tumors on computer simulated MRI images. Magnetic Resonance Imaging (MRI) is an imaging technique that gives a large number of information on the observed tissues and tumors according to the nuclear magnetic resonance parameters. However, some of these parameters may vary depending on temperature. The temperature distribution is increased in the tumorous region compared to the surrounding normal tissues, which causes a significant change on MR parameters, the studied MR parameter in this work is spin lattice relaxation time T1. The problem is expressed mathematically and computer simulated T1-weighted images of realistic geometry of brain tissues containing a circular tumor are obtained using spin echo pulse sequence. The temperature distribution is calculated using Pennes bioheat transfer equation and implemented numerically by Finite Difference Method. Results show that heat generation by tumor has a significant impact on T1-weighted signal intensity.
本研究分析了脑肿瘤对计算机模拟MRI图像的热效应。磁共振成像(MRI)是一种根据核磁共振参数给出被观察组织和肿瘤大量信息的成像技术。然而,其中一些参数可能会随着温度的变化而变化。与周围正常组织相比,肿瘤区域的温度分布增加,导致MR参数发生显著变化,本文研究的MR参数为自旋晶格弛豫时间T1。对该问题进行了数学表达,并利用自旋回波脉冲序列获得了含圆形肿瘤脑组织的真实几何形状的计算机模拟t1加权图像。采用Pennes生物传热方程计算温度分布,采用有限差分法进行数值模拟。结果表明,肿瘤发热对t1加权信号强度有显著影响。
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引用次数: 4
Integrating web usage mining for an automatic learner profile detection: A learning styles-based approach 集成web使用挖掘的学习者特征自动检测:一种基于学习风格的方法
Pub Date : 2018-04-02 DOI: 10.1109/ISACV.2018.8354021
Ouafae El Aissaoui, Yasser El Madani El Alami, L. Oughdir, Youssouf El Allioui
With the technological revolution of Internet and the information overload, adaptive E-learning has become the promising solution for educational institutions since it enhances students' learning process according to many factors such as their learning styles. Learning styles are a criteria of great import in E-learning environment because they can help the system to effectively personalize students' learning process. Generally, the traditional way of detecting students' learning style is based on asking students to fill out a questionnaire. However, using this static technique presents many problems. Some of these problems include the lack of self-awareness of students of their learning preferences. In addition, almost all students are bored when they are asked to fill out a questionnaire. Thus, in this work, we present an automatic approach for detecting students' learning style based on web usage mining. It consists in classifying students' log files according to a specific learning style model (Felder and Silverman model) using clustering algorithms (K-means algorithm). In order to test the efficiency of our work, we use a real-world dataset gathered from an E-learning system. Experimental results show that our approach provide promising results.
随着互联网的技术革命和信息超载,自适应E-learning根据学生的学习方式等多种因素来提高学生的学习过程,已成为教育机构的一种有前景的解决方案。在E-learning环境中,学习风格是一个非常重要的标准,因为它可以帮助系统有效地个性化学生的学习过程。一般来说,传统的检测学生学习风格的方法是让学生填写调查问卷。然而,使用这种静态技术会出现许多问题。其中一些问题包括学生对自己的学习偏好缺乏自我意识。此外,当他们被要求填写问卷时,几乎所有的学生都感到无聊。因此,在这项工作中,我们提出了一种基于web使用挖掘的自动检测学生学习风格的方法。它包括使用聚类算法(K-means算法)将学生的日志文件按照特定的学习风格模型(Felder和Silverman模型)进行分类。为了测试我们工作的效率,我们使用了从电子学习系统收集的真实数据集。实验结果表明,该方法具有较好的效果。
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引用次数: 22
An approach for modeling the economy as a complex system using agent-based theory 使用基于主体的理论将经济建模为复杂系统的一种方法
Pub Date : 2018-04-01 DOI: 10.1109/ISACV.2018.8354016
Khadija El Hachami, M. Tkiouat
As our aim is to explore the future and anticipate economic changes, we have tried to analyze the economic system by performing an empirical study of the interactions between different economic agents. Therefore, the purpose of our work is to propose an agent-based model, in which interactions between different types of agents are modeled in an economic context; and that by introducing different economic activities; including hiring, firing, production and consumption. Furthermore, what can make this paper special is that the consumption of a group of agents will depend on their wealth and also on the consumption of their neighbors. However, to highlight this work, it will be edited later by simulating it using the Netlogo platform; in order to discover the effect and the outcome of some economic policies.
由于我们的目标是探索未来和预测经济变化,我们试图通过对不同经济主体之间的相互作用进行实证研究来分析经济系统。因此,我们的工作目的是提出一个基于主体的模型,其中不同类型的主体之间的相互作用在经济背景下建模;通过引入不同的经济活动;包括雇佣、解雇、生产和消费。此外,这篇论文的特别之处在于,一组代理人的消费将取决于他们的财富,也取决于他们邻居的消费。然而,为了突出这项工作,稍后将通过使用Netlogo平台模拟它进行编辑;为了发现一些经济政策的效果和结果。
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引用次数: 0
Hybrid forests for left ventricle segmentation using only the first slice label 混合森林左心室分割仅使用第一片标签
Pub Date : 2018-04-01 DOI: 10.1109/ISACV.2018.8354039
Ismaël Koné, L. Boulmane
Machine learning models produce state-of-the-art results in many MRI images segmentation. However, most of these models are trained on very large datasets which come from experts manual labeling. This labeling process is very time consuming and costs experts work. Therefore finding a way to reduce this cost is on high demand. In this paper, we propose a segmentation method which exploits MRI images sequential structure to nearly drop out this labeling task. Only the first slice needs to be manually labeled to train the model which then infers the next slice's segmentation. Inference result is another datum used to train the model again. The updated model then infers the third slice and the same process is carried out until the last slice. The proposed model is an combination of two Random Forest algorithms: the classical one and a recent one namely Mondrian Forests. We applied our method on human left ventricle segmentation and results are very promising. This method can also be used to generate labels.
机器学习模型在许多MRI图像分割中产生最先进的结果。然而,这些模型中的大多数是在非常大的数据集上训练的,这些数据集来自专家手动标记。这个贴标签的过程是非常耗时和成本专家的工作。因此,找到一种方法来降低这一成本是高需求的。在本文中,我们提出了一种利用MRI图像序列结构的分割方法来几乎放弃标记任务。只有第一个切片需要手动标记来训练模型,然后推断下一个切片的分割。推理结果是用来再次训练模型的另一个数据。然后,更新后的模型推断第三片,并执行相同的过程,直到最后一片。所提出的模型是两种随机森林算法的结合:经典的随机森林算法和最近的蒙德里安森林算法。将该方法应用于人体左心室分割,结果令人满意。该方法也可用于生成标签。
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引用次数: 2
Electronic and computer system for monitoring a photovoltaic station 监测光伏电站的电子和计算机系统
Pub Date : 2018-04-01 DOI: 10.1109/ISACV.2018.8354018
Youssef Bikrat, D. Moussaid, Abdelhamid Benali, Ahmad Benlghazi
In this article, we propose an electronic system which allows the acquisition, the processing and the transfer of the data of a photovoltaic station, due to a wireless link. The system is designed around a Raspberry PI3 card, with Bluetooth and WiFi as wireless protocols. The objective of our work is the long-distance supervision of an example installation: a photovoltaic station. Such a system can greatly reduce the movement of an operator on the site of the installation before any anomalies or interventions. It allows the status of the installation to be transferred to the operator in real time, and has cost, reliability and performance advantages. The proposed electronic system consisting of a hardware part and a software part, we will insist, in this article, on both parties.
在这篇文章中,我们提出了一个电子系统,允许采集,处理和传输数据的光伏电站,由于无线链路。该系统是围绕Raspberry PI3卡设计的,采用蓝牙和WiFi作为无线协议。我们的工作目标是远程监督一个示例装置:一个光伏电站。这种系统可以大大减少作业人员在任何异常或干预之前在安装现场的活动。它允许将安装状态实时传递给操作人员,并且具有成本,可靠性和性能优势。所提出的电子系统由硬件部分和软件部分组成,在本文中,我们将坚持两者。
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引用次数: 12
期刊
2018 International Conference on Intelligent Systems and Computer Vision (ISCV)
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