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2016 Al-Sadeq International Conference on Multidisciplinary in IT and Communication Science and Applications (AIC-MITCSA)最新文献

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Distance estimation and vehicle position detection based on monocular camera 基于单目摄像机的距离估计与车辆位置检测
A. Ali, H. A. Hussein
This paper describes systematically two methods used in intelligent transportation systems: Distance Estimation using an onboard camera and car position detection. Distance estimation is a method for detecting distance for the preceding vehicles based on monocular camera. Vehicle position detection is a method of specifying the vehicle position relative to the road that can serve as Lane Departure Warning system. These two approaches have been discussed and implemented in this article. For lane detection and tracking, Hough Transform and Kalman filter were adopted. A brief introduction about both lane detection system and object detection is given. Finally, both approaches have been evaluated on a large dataset of videos.
本文系统地介绍了智能交通系统中使用的两种方法:利用车载摄像头进行距离估计和车辆位置检测。距离估计是一种基于单目摄像机的前车距离检测方法。车辆位置检测是一种确定车辆相对于道路位置的方法,可以作为车道偏离预警系统。本文讨论并实现了这两种方法。在车道检测和跟踪方面,采用了霍夫变换和卡尔曼滤波。简要介绍了车道检测系统和目标检测系统。最后,两种方法都在一个大型视频数据集上进行了评估。
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引用次数: 26
Morphological gradient in brain magnetic resonance imaging based on intuitionistic fuzzy approach 基于直觉模糊方法的脑磁共振成像形态学梯度
Mohammed Y. Kamil
The morphological operations commonly used image gradient for gray level images in medical images. Medical images are usually poorly illuminated and several edges are not visible accurately. This paper have used the morphological gradient (erosion-dilation computation) of the fuzzy mathematical morphology based on Hamacher t-norm and t-conorm, and comparison with classical morphological gradient. The results of evaluation shown clearly of the effectiveness of the fuzzy morphological approach in brain magnetic resonance imaging compared to classical morphological based on statistical image quality.
形态学操作常用图像梯度对医学图像中的灰度级图像进行处理。医学图像通常光照不足,一些边缘不能准确地看到。本文采用了基于Hamacher t-范数和t-保形的模糊数学形态学的形态梯度(侵蚀-膨胀计算),并与经典形态梯度进行了比较。评价结果表明,与基于统计图像质量的经典形态学方法相比,模糊形态学方法在脑磁共振成像中的有效性。
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引用次数: 10
Design optimization of solar power system with respect to temperature and sun tracking 考虑温度和太阳跟踪的太阳能发电系统优化设计
A. Ali, Sameer S. Mustafa, Ali Hilal Mutlag
Solar panels work best in certain weather conditions, but the weather is changing always, so most panels do not operate under ideal conditions. Design optimization of photovoltaic (PV) modules with changing in the environmental parameters, such as solar irradiance and temperature is presented in this work for Kirkuk city based on HOMER software. Our system consists of series-parallel combination of solar PV panels, maximum power point tracking controller (MPPT), batteries and converter. Four case studies using different types of sun tracking systems considering temperature effects were presented. The optimum system design which has the minimum cost of energy (COE) and total net present cost (NPC) was achieved when we adopt two-axis tracking system. Both NPC and COE were found inversely proportion with temperature coefficient of power, and direct proportion with operating cell temperature.
太阳能电池板在某些天气条件下工作最好,但天气总是在变化,所以大多数电池板不能在理想条件下工作。本文以基尔库克市为研究对象,基于HOMER软件,对太阳能辐照度、温度等环境参数变化下的光伏组件进行优化设计。该系统由太阳能光伏板串并联组合、最大功率点跟踪控制器(MPPT)、电池和转换器组成。在考虑温度影响的情况下,提出了使用不同类型太阳跟踪系统的四个案例研究。当采用两轴跟踪系统时,实现了能源成本(COE)和总净当前成本(NPC)最小的系统优化设计。NPC和COE均与功率温度系数成反比,与电池工作温度成正比。
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引用次数: 8
A novel technique of privacy preserving association rule mining 一种新的保护隐私的关联规则挖掘技术
R. S. Mohammed, Enas Mohammed Hussien, Jinan Redha Mutter
Privacy Preserving Association Rule Mining (PPAM) becomes an important issue in recent years. Since data mining alone is not enough to share data between companies without privacy preserving. In this paper, a new technique has been proposed to maintain the confidentiality of the data by fabricating of association rule using a stochastic standard map without returning to mining sensitive data again. The system simulation using Matlab and tested that shows the successful difference between the original data and fabricated. And also been achieved high speed and fewer memory requirements.
保护隐私的关联规则挖掘(PPAM)近年来成为一个重要的研究课题。由于数据挖掘本身不足以在没有隐私保护的情况下在公司之间共享数据。本文提出了一种利用随机标准映射构造关联规则来保证数据机密性的新技术,而无需重新挖掘敏感数据。利用Matlab对系统进行了仿真并进行了测试,结果表明系统的原始数据与制作的数据相差很大。并且还实现了高速度和更少的内存要求。
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引用次数: 6
Image encryption based on linear feedback shift register method 基于线性反馈移位寄存器的图像加密方法
S. T. Allawi, J. H. Al-A’meri
A new method will be proposed in this paper to encrypt an image using a secret key contain an image information. In our new LFSR method of color image encryption to produce random numbers used in the reorder position of the image pixels. The initial value will generate random numbers to reorder position of each pixel in the row of image in the first encryption process and each pixel in the column in the resulting image of the first encryption process. The experimental results show that the new proposed method is efficient and has high security features.
本文提出了一种利用包含图像信息的密钥对图像进行加密的新方法。在我们新的LFSR彩色图像加密方法中,产生随机数用于重新排序图像像素的位置。所述初始值将生成随机数,对所述第一加密过程生成的图像的行中每个像素和所述第一加密过程生成的图像的列中每个像素的位置进行重新排序。实验结果表明,该方法具有较高的安全性和有效性。
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引用次数: 6
Image encryption technique using clustering and stochastic standard map 基于聚类和随机标准映射的图像加密技术
R. S. Mohammed, Fadhil Hanoon Abbood, Intisar Abid Yousif
In recent years, encryption technology has been developed quickly and many image encryption methods have been put forward. This paper presents a technique of image encryption based on image clustering as preprocessing. Permutation and substitution processes are done by using a series of secret keys that generated by proposed stochastic standard map. Image decryption is done using the reverse operations of image encryption and using adding process rather than clustering to recover an image. Experimental results verify and prove that the proposed technique is secure and fast.
近年来,加密技术得到了迅速发展,并提出了许多图像加密方法。提出了一种基于图像聚类预处理的图像加密技术。置换和替换过程是利用随机标准映射生成的一系列密钥完成的。图像解密使用与图像加密相反的操作,并使用添加过程而不是聚类来恢复图像。实验结果验证了该方法的安全性和快速性。
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引用次数: 3
Design and implementation of swimming robot based on Carp fish biomimetic 基于鲤鱼仿生的游泳机器人设计与实现
A. I. Majeed, A. Ali
This paper introduces a complete plan for design and implementation of a biomimetic robotic fish. The robot design is physically based on a model of a Carp fish. The designed robot has a rigid anterior body part, flexible posterior body part and a flexible caudal fin. The flexible posterior body part is consists of four links and are driven by four servomotors in addition to a fifth one for controlling the robot pitch angle through changing the centre of gravity position. The designed robot was also equipped with diving system which consists of a water pump and an internal tank. The fish locomotion control is divided into speed, orientation, diving and transient motion control. The swimming of the robotic fish was relied on the so called behavioural based control system that makes use of a sensor fusion algorithm. The innovative design of the robotic fish combines the two schemes of the underwater vehicles or robots control in that it can swim autonomously or remotely controlled by a personal computer via WiFi link. The experimental results of the designed robotic fish show the excellent feasibility and high performance of the proposed design.
本文介绍了一种仿生机器鱼的完整设计与实现方案。机器人的设计是基于鲤鱼的物理模型。所设计的机器人前体为刚性,后体为柔性,尾鳍为柔性,后体为柔性,由四个连杆组成,并由四个伺服电机驱动,第五个伺服电机通过改变重心位置来控制机器人俯仰角。设计的机器人还配备了潜水系统,该系统由一个水泵和一个内部水箱组成。鱼的运动控制分为速度控制、方向控制、潜水控制和瞬态运动控制。机器鱼的游动依赖于所谓的基于行为的控制系统,该系统利用了传感器融合算法。机器鱼的创新设计结合了水下航行器或机器人控制两种方案,它可以自主游泳,也可以通过个人电脑通过WiFi连接远程控制。实验结果表明,所设计的机器鱼具有良好的可行性和高性能。
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引用次数: 1
Design and fabrication of new diamond patch antenna for wireless communications 新型无线通信金刚石贴片天线的设计与制造
R. H. Thaher, Saif Nadhim Alsaidy
The present work investigates the operation performance of a new shape diamond patch microstrip antenna. The proposed diamond antenna covers the bandwidth from 2.3GHz to 18.5GHz that meets the essential requirements of wide band communications applications, and gives gain ranging from -2.6dBi to 5.3dBi. Three slots are of two T-shapes and one S-shape added to diamond patch to improve the gain, therefore the gain becomes in the range from 0dBi to 8dBi. This antenna is fabricated and tested practically and found good agreement between the simulation and measured results.
本文研究了一种新型菱形贴片微带天线的工作性能。该菱形天线覆盖2.3GHz至18.5GHz的带宽,满足宽带通信应用的基本要求,增益范围为-2.6dBi至5.3dBi。三个槽分别为两个t形和一个s形,增加到菱形补片上以提高增益,因此增益范围在0dBi到8dBi之间。该天线经实际制作和测试,仿真结果与实测结果吻合较好。
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引用次数: 3
Texture image segmentation based on classification of contour elements and logical addition of classes 基于轮廓元素分类和类的逻辑添加的纹理图像分割
H. Alzakki, V. Tsviatkou
A method for texture images segmentation based on classification of contour elements and logical addition of classes. The essence of the method consists in the contouring of the image, determining the position of contour elements in the image of different types (points, lines, and shapes) converting closely spaced similar contour elements into binary regions objects, binary coding mutual position obtained areal objects within the boundaries of the image segmentation are resulting in code matrix.
一种基于轮廓元素分类和类的逻辑添加的纹理图像分割方法。该方法的实质在于对图像进行轮廓化,确定图像中不同类型(点、线、形)的轮廓元素的位置,将间隔紧密的相似轮廓元素转换为二值区域对象,二值编码得到区域对象在图像边界内的相互位置,分割得到编码矩阵。
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引用次数: 1
Fractal coding technique based on different block size 基于不同块大小的分形编码技术
Nahla Abdul Jalil Salih
The proposed technique presents adaptive new method used to decrease the encoding time in “fractal coding algorithms”. This technique reduces the “number of transforms” used to each domain block. So, the time required for the comparison between one “range block and domain blocks” is decreased. In this technique we partitioned the image depending on the Variance Criteria. Different block sizes ranging (4-16) have been used. The results show that the number of partitions (blocks), produced by quadtree partition, depends strongly on the adopted partitioning parameters (i.e. the Standard deviation, Mean, Minimum, and Maximum block size). The selection of small values of Mean(0.1-0.4) and Standard deviation (0.5-3) had reconstructed high image quality and low compression ratio,(e.g. we get PSNR =34.8dB and CR=4.89 E.T=18s) and vice versa.
该方法为减少“分形编码算法”中的编码时间提供了一种自适应的新方法。这种技术减少了用于每个域块的“转换次数”。因此,减少了在一个“范围块和域块”之间进行比较所需的时间。在这种技术中,我们根据方差标准对图像进行分区。使用了不同的块大小(4-16)。结果表明,四叉树分区产生的分区(块)数量强烈依赖于所采用的分区参数(即标准差、均值、最小和最大块大小)。选取均值(0.1-0.4)和标准差(0.5-3)的小数值,重建出高质量的图像和低压缩比(如:我们得到PSNR =34.8dB, CR=4.89 et =18s,反之亦然。
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引用次数: 5
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2016 Al-Sadeq International Conference on Multidisciplinary in IT and Communication Science and Applications (AIC-MITCSA)
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