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2007 10th international conference on computer and information technology最新文献

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An efficient approach to rotation invariant face detection using PCA, generalized regression neural network and Mahalanobis distance by reducing search space 基于PCA、广义回归神经网络和马氏距离的旋转不变人脸检测方法
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579424
F. Siddiky, M. Alam, Tanveer Ahsan, M. Rahim
This paper introduces a new effective method for human face recognition, which employs Mahalanobis distance, a color segment method, to reduce the search space for a face in an image. The color segment method is used to detect the area where a face may exist and searching for a face by the network is localized in that area. The face, with its orientation, is recognized using principle components analysis (PCA), generalized regression neural networks (GRNN) and Mahalanobis distance. The idea behind PCA is to reduce the dimension of the input vectors and extracting a feature vector. GRNN used as a function approximation network to detect whether the input image contains a face or not and if exists then reports about its orientation. The proposed system shows how GRNN can perform better than back-propagation algorithm and give some solution for better regularization. The proposed classifier system demonstrates advantages in: 1) better capability of approximation to underlying functions, 2) faster learning speed and 3) high robustness to outliers. The proposed technique overcomes one of the main problems for searching method reducing the computing time in two ways; firstly reducing the area to be searched and secondly reducing the scaling factor of the selected area of the image.
本文介绍了一种新的人脸识别方法,该方法利用马氏距离(Mahalanobis distance,一种颜色分割方法)来减少图像中人脸的搜索空间。使用颜色分割方法检测人脸可能存在的区域,并将网络搜索人脸定位在该区域。利用主成分分析(PCA)、广义回归神经网络(GRNN)和马氏距离(Mahalanobis distance)对具有方位的人脸进行识别。PCA背后的思想是减少输入向量的维数并提取特征向量。GRNN作为一种函数逼近网络来检测输入图像是否包含人脸,如果存在则报告其方向。该系统显示了GRNN如何优于反向传播算法,并给出了更好的正则化解决方案。所提出的分类器系统具有以下优点:1)对底层函数有更好的逼近能力;2)更快的学习速度;3)对异常值有较高的鲁棒性。该方法克服了搜索方法的主要问题之一,从两个方面减少了计算时间;首先缩小待搜索区域,然后减小图像选定区域的比例因子。
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引用次数: 11
Structure determination of artificial neural network using modified cellular encoding 基于改进元胞编码的人工神经网络结构确定
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579425
A. Alim, G. Rabbani, M. M. Azad
This paper works with a new evolutionary system to construct and control the structure of feed forward artificial neural networks (ANNs), represented by modified cellular encoding (MCE) that is not subject to the well-known permutation problem. It is shown in this paper that addition or deletion of nodes or connections can evidently be done by crossover automatically. Hence, the number of user specified parameter is also decreased. The ANN architecture determination algorithm is tested on some real world problems. The algorithm is made adaptive.
本文使用一种新的进化系统来构建和控制前馈人工神经网络(ann)的结构,该网络以改进的细胞编码(MCE)为代表,不受众所周知的排列问题的约束。本文表明,节点或连接的添加或删除明显可以通过交叉自动完成。因此,用户指定参数的数量也减少了。在一些实际问题上对人工神经网络体系结构确定算法进行了测试。该算法是自适应的。
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引用次数: 0
Identification of promoter through stochastic approach 用随机方法识别启动子
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579366
T. Jabid, F. Anwar, S. M. Baker, M. Shoyaib
Analysis of a gene sequence, which is transcribed into RNA and then translated into protein, is a difficult task. If this could be achieved, it would make possible better understand how the organisms are developed from DNA information. The behavior of gene is highly influenced by promoter sequences residing upstream or downstream of the Transcription Start Site (TSS). The promoter recognition process is a part of the complex process where genes interact with each other over time and actually regulates the whole working process of a cell. This paper attempts to develop an efficient algorithm that can successfully distinguish promoters and non promoters by analyzing statistical data. A learning model is developed from the known dataset to predict the unknown ones.
基因序列被转录成RNA,然后翻译成蛋白质,对其进行分析是一项艰巨的任务。如果能够实现这一点,就有可能更好地了解生物体是如何从DNA信息中发育出来的。基因的行为受到转录起始位点(Transcription Start Site, TSS)上游或下游启动子序列的高度影响。启动子识别过程是复杂过程的一部分,基因之间随着时间的推移相互作用,实际上调节了细胞的整个工作过程。本文试图通过对统计数据的分析,开发一种能够成功区分启动子和非启动子的有效算法。在已知数据集的基础上建立学习模型来预测未知数据集。
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引用次数: 2
Inexpensive construction of a 3D face model from stereo images 从立体图像廉价构建三维人脸模型
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579387
M. Hossain, Monika Akbar, J. Starkey
Construction of a three dimensional face model from stereo images is a challenging task. Most of the currently available systems for reconstruction of 3D models require special hardware for calibration. In this paper, we illustrate a mechanism to construct a three dimensional face model from two stereo images. The developed mechanism does not require any special devices to calibrate the stereo images. We used a hand-held inexpensive digital camera to take the stereo images of a face. We did not use any camera-stand to fix and measure the camera system geometry. The stereo images were taken holding the camera in hand and moving it to two slightly different viewpoints. We constructed a depth map from these two stereo images and utilized this depth map to reconstruct the three dimensional face model. The 3D face model reconstruction process described in this paper uses some existing theories and combines them to develop a new system to generate the depth map. The system requires minimal user interaction for the reconstruction.
从立体图像中构建三维人脸模型是一项具有挑战性的任务。目前大多数用于重建3D模型的系统都需要特殊的硬件进行校准。在本文中,我们阐述了一种从两个立体图像构建三维人脸模型的机制。所开发的机构不需要任何特殊装置来校准立体图像。我们用一个便宜的手持式数码相机来拍摄人脸的立体图像。我们没有使用任何相机支架来固定和测量相机系统的几何形状。这些立体图像是在手持相机并将其移动到两个略有不同的视点时拍摄的。我们从这两幅立体图像中构建了一个深度图,并利用该深度图重建了三维人脸模型。本文所描述的三维人脸模型重建过程是利用现有的一些理论,并结合它们开发了一个新的深度图生成系统。该系统需要最少的用户交互来进行重建。
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引用次数: 8
An inter organization communication architecture model for real time activity base online transmission to increase the work process efficiency of container terminal 为提高集装箱码头的工作流程效率,提出了一种实时活动库在线传输的跨组织通信体系结构模型
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579436
Mobashwer Ahmed Chowdhury, Mohsena Chowdhury, Arif Ahmed Chowdhury, Dr. Shahida Rafique
The purpose of this research is to analyze the impact of instituting automated container yard management on the operation of a prototype EBILCY. This paper studies a total yard operation inflow and outflow of containers and cargos where different stakeholders depend on the operation of off-dock terminal. The primary challenge is to efficiently operate the operations and acquire the real-time data to minimize the operation lag due to information passing delay. In particular, to automate the every process, an online activity base strategy is used. This strategy groups jointly co-operate with OLAP and data mining process to reduce the manual work. An approach has been introduced to automate the all operational activity of off-dock as well as container terminal in real time basis. The methodology is approaching a cost-effective and authenticated communication through different stake holders of container terminal i.e. main line operator (MLO), freight forwarder, C&F agents, shipper, consignee etc. The model is solved using message passing strategy. Due to required interaction and multiple hub access issues a standard structure is introduced with details specification. The communication architecture has implemented through the authenticated portable database tool, extended markup language (XML). To establish the easy communication through the end point, email client is introduced. For ensuring the information security MD5 encryption method has also used. This approach helps to atomize the full industry segment to work in one umbrella. The standard message structure ensures data validity among the stakeholders. This approach also can be used to communicate within different application where this approach would be work as a communication agent.
本研究的目的是分析建立自动化集装箱堆场管理对EBILCY原型运行的影响。本文研究了集装箱和货物的总堆场作业,其中不同的利益相关者依赖于离港码头的作业。如何有效地进行作业,获取实时数据,最大限度地减少由于信息传递延迟而造成的作业滞后,是目前面临的主要挑战。特别是,为了使每个流程自动化,使用了在线活动基础策略。该策略组与OLAP和数据挖掘过程共同协作,减少了手工工作。介绍了一种实现码头外及集装箱码头所有操作活动实时自动化的方法。该方法是通过集装箱码头的不同利益相关者,即主线运营商(MLO)、货运代理、C&F代理、托运人、收货人等,实现具有成本效益和经过认证的沟通。采用消息传递策略对模型进行求解。由于需要交互和多集线器访问问题,引入了一个标准结构和详细规范。通信体系结构通过经过认证的可移植数据库工具扩展标记语言(XML)实现。为了建立方便的终端通信,引入了电子邮件客户端。为了保证信息安全,还使用了MD5加密方法。这种方法有助于将整个行业部门集中到一个保护伞中。标准消息结构确保涉众之间的数据有效性。此方法还可用于在不同的应用程序中进行通信,其中此方法将作为通信代理工作。
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引用次数: 0
An efficient packet scheduling algorithm for downlink queue to provide lossless handoff and QoS in 4G mobile networks 一种有效的4G移动网络下行队列分组调度算法,提供无损切换和QoS
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579439
Pankaj Gupta, H. Mohammed, M. Hashem
Next generation mobile networks are expected to provide seamless personal mobile communication and quality of service (QoS). Lossless handoff is a key issue for providing the QoS. This paper presents a two-layer downlink queuing model and proposes a scheduling mechanism for providing lossless handoff and QoS in mobile networks, which exploit IP as a transport technology for transferring datagram between base stations and the high-speed downlink packet access (HSDPA) at the radio layer. In order to reduce handoff packet dropping rate at the radio layer and packet forwarding rate at the IP layer and to provide high system performance, new scheduling algorithms are performed at both IP and radio layer, which exploit handoff priority scheduling principles and take into account buffer occupancy and channel conditions. Performance results obtained by computer simulation show that, by exploiting the downlink queuing model and scheduling algorithms, the system is able to provide low handoff packet dropping rate, low packet forwarding rate, and high downlink throughput.
下一代移动网络有望提供无缝的个人移动通信和服务质量(QoS)。无损切换是提供QoS的关键问题。本文提出了一种两层下行链路排队模型,并提出了一种在移动网络中提供无损切换和QoS的调度机制,该模型利用IP作为传输技术在基站和无线层的高速下行分组接入(HSDPA)之间传输数据报。为了降低无线层的切换丢包率和IP层的分组转发率,提高系统的性能,在IP层和无线层都采用了新的调度算法,该算法利用切换优先级调度原理,并考虑了缓冲区占用和信道条件。通过计算机仿真得到的性能结果表明,通过利用下行排队模型和调度算法,系统能够提供低切换丢包率、低分组转发率和高下行吞吐量。
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引用次数: 0
Adoption of e-Commerce: A decision theoretic framework and an illustrative application 电子商务的采用:一个决策理论框架和一个实例应用
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579406
M. Quaddus, Jun Xu
Electronic commerce (e-Commerce or EC), in some form or other, is changing the way organizations do their business. Many organizations (banks etc) are forcing their customers to adopt e-Commerce. Others are adopting e-Commerce for competitive necessity. This raises the obvious question: How can organizations adopt appropriate e-Commerce model judiciously? This paper addresses the above research question. We use a decision theoretic framework based on multiple attributes of e-Commerce. Extensive literature review revealed a number of factors or attributes that either act as drivers or barriers of e-Commerce success. A well known decision theoretic approach based on multiple attribute, called analytic hierarchy process (AHP), is used to develop a comprehensive model of e-Commerce adoption. Our framework can be used as a guide to select the appropriate e-Commerce model. Real world data, from EC consultants, have been collected for a hypothetical SME which is embarking on adopting an e-Commerce model. The paper presents the application of the framework for this SME.
电子商务(e-Commerce或EC)以某种形式正在改变组织开展业务的方式。许多组织(银行等)正在强迫他们的客户采用电子商务。另一些则是出于竞争的需要而采用电子商务。这就提出了一个明显的问题:组织如何明智地采用适当的电子商务模型?本文就上述研究问题进行了探讨。我们使用了一个基于电子商务多属性的决策理论框架。广泛的文献综述揭示了一些因素或属性,这些因素或属性要么是电子商务成功的驱动因素,要么是障碍。利用基于多属性的决策理论方法——层次分析法(AHP),建立了电子商务采用的综合模型。我们的框架可以用作选择适当的电子商务模型的指南。从电子商务顾问那里收集的真实数据,是为一个假想的中小企业收集的,该企业正着手采用电子商务模式。本文介绍了该框架在该中小企业中的应用。
{"title":"Adoption of e-Commerce: A decision theoretic framework and an illustrative application","authors":"M. Quaddus, Jun Xu","doi":"10.1109/ICCITECHN.2007.4579406","DOIUrl":"https://doi.org/10.1109/ICCITECHN.2007.4579406","url":null,"abstract":"Electronic commerce (e-Commerce or EC), in some form or other, is changing the way organizations do their business. Many organizations (banks etc) are forcing their customers to adopt e-Commerce. Others are adopting e-Commerce for competitive necessity. This raises the obvious question: How can organizations adopt appropriate e-Commerce model judiciously? This paper addresses the above research question. We use a decision theoretic framework based on multiple attributes of e-Commerce. Extensive literature review revealed a number of factors or attributes that either act as drivers or barriers of e-Commerce success. A well known decision theoretic approach based on multiple attribute, called analytic hierarchy process (AHP), is used to develop a comprehensive model of e-Commerce adoption. Our framework can be used as a guide to select the appropriate e-Commerce model. Real world data, from EC consultants, have been collected for a hypothetical SME which is embarking on adopting an e-Commerce model. The paper presents the application of the framework for this SME.","PeriodicalId":338170,"journal":{"name":"2007 10th international conference on computer and information technology","volume":"2007 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131393938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Analysis of foot-to-ground clearance measurement techniques for MEMS realization MEMS实现中脚对地间隙测量技术分析
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579431
Yufridin Wahab, Aladdin Zayegh, Rezaul Begg, Ronny Veljanovski
The foot clearance above the ground is an important clinical and rehabilitation gait analysis parameter. Current bulky and laboratory environment based instruments are not suitable for measurement in the natural environment such as the outdoors. MEMS technology can be used with integration of microelectronic circuitry to enable realization of tiny and efficient devices for this application. This paper analyses three promising distance measurement techniques (capacitive, electric field and ultrasound) that may be suitable for MEMS realization of foot clearance measurement. The study suggests that ultrasound-based technique is very suitable for this application.
足离地间隙是临床和康复步态分析的重要参数。目前体积庞大、实验室环境为主的仪器不适合在户外等自然环境中进行测量。MEMS技术可以与微电子电路集成使用,以实现用于该应用的微小而高效的器件。本文分析了电容式、电场式和超声波三种很有前途的距离测量技术,它们可能适用于MEMS实现足部间隙测量。研究表明,基于超声的技术非常适合于这一应用。
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引用次数: 6
Performance analysis of navigation by the integration of GPS-24 with LEO & GEO GPS-24与LEO & GEO组合导航性能分析
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579441
U. Acharjee, Anis Ahmed, S. Rafique
An integrated network consisting of GPS-24 (global positioning system), LEO (Low earth orbit) and GEO (geostationary earth orbit) is analyzed in order to find the position coordinates of a GPS receiver or user position by calculating the position coordinates of GPS satellites. The integrated network is designed to extend the coverage area of GEO satellites up to the polar regions as well as to improve the user position accuracy. Satellite visibility through GPS receiver has been investigated using complex simulations of failure scenarios by giving shadow effect. An algorithm is proposed to estimate the userpsilas position from the known parameters of GPS satellites. Numerical analysis is carried out for the selection of best four satellites to be used for the calculation of userpsilas position. A new approach is also developed for the determination of minimum dilution of precision (DOP) using such integrated network.
分析了GPS-24(全球定位系统)、LEO(低地球轨道)和GEO(地球静止轨道)组成的综合网络,通过计算GPS卫星的位置坐标来确定GPS接收机的位置坐标或用户位置。该综合网络旨在将地球同步轨道卫星的覆盖范围扩大到极地地区,并提高用户定位精度。利用阴影效应对GPS接收机的卫星可视性进行了复杂的故障模拟。提出了一种利用GPS卫星的已知参数估计用户位置的算法。对选取最佳的4颗卫星进行了数值分析,用于计算用户的位置。提出了一种利用该综合网络确定最小精度稀释度(DOP)的方法。
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引用次数: 1
On integrating fuzzy knowledge using a Novel Evolutionary Algorithm 用一种新的进化算法集成模糊知识
Pub Date : 2007-12-01 DOI: 10.1109/ICCITECHN.2007.4579352
N. Chowdhury, Murshida Khatun, M. Hashem
Fuzzy systems may be considered as knowledge-based systems that incorporates human knowledge into their knowledge base through fuzzy rules and fuzzy membership functions. The intent of this study is to present a fuzzy knowledge integration framework using a novel evolutionary strategy (NES), which can simultaneously integrate multiple fuzzy rule sets and their membership function sets. The proposed approach consists of two phases: fuzzy knowledge encoding and fuzzy knowledge integration Four application domains, the hepatitis diagnosis, the sugarcane breeding prediction, Iris plants classification, and tic-tac-toe endgame were used to show the performance of the proposed knowledge approach. Results show that the fuzzy knowledge base derived using our approach performs better than genetic algorithm based approach.
模糊系统可以看作是一种基于知识的系统,它通过模糊规则和模糊隶属函数将人类的知识整合到自己的知识库中。本文提出了一种基于进化策略的模糊知识集成框架,该框架可以同时集成多个模糊规则集及其隶属函数集。该方法由模糊知识编码和模糊知识集成两个阶段组成,并以肝炎诊断、甘蔗育种预测、鸢尾植物分类和井字棋终局四个应用领域为例,展示了该方法的性能。结果表明,该方法所建立的模糊知识库的性能优于基于遗传算法的模糊知识库。
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引用次数: 4
期刊
2007 10th international conference on computer and information technology
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