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2013 International Conference on Information Technology and Applications最新文献

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An Improved Image Enhancement Approach Based on Retinex Theory 一种基于视网膜理论的改进图像增强方法
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.22
S. Wu, Zhi-hui Hu, Weiyu Yu, Jiu-chao Feng
{"title":"An Improved Image Enhancement Approach Based on Retinex Theory","authors":"S. Wu, Zhi-hui Hu, Weiyu Yu, Jiu-chao Feng","doi":"10.1109/ITA.2013.22","DOIUrl":"https://doi.org/10.1109/ITA.2013.22","url":null,"abstract":"Using the reflectance component of images directly as the output of Retinex enhancement lacks adjustability and removing illuminance completely from the non-uniform image leads to the lack of coordination between gray scales and the visual effects is unsatisfactory. In this paper we propose an improved Retinex grayscales transformation enhancement approach. First, we decompose the image to be enhanced into reflectance component and illuminance component. Secondly, the reflectance component of the image is three-linearly transformed according to actual needs. Thirdly, the non-uniform illuminance component of the image is filtered. Finally, we combine the transformed reflectance component and the corrected illuminance component to be the output of the enhancement. The experiment result shows that the proposed enhancement approach has high-performance.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130657858","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: 9
Verification of Business Process Constraints Based on XYZ/Z 基于XYZ/Z的业务流程约束的验证
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.116
Juntao Gao, Wei Chen, Yongan Wang, Danchun Zhao, Wei Li, Bo Zhang
{"title":"Verification of Business Process Constraints Based on XYZ/Z","authors":"Juntao Gao, Wei Chen, Yongan Wang, Danchun Zhao, Wei Li, Bo Zhang","doi":"10.1109/ITA.2013.116","DOIUrl":"https://doi.org/10.1109/ITA.2013.116","url":null,"abstract":"Enterprise's behaviors are always restricted by a number of business constraint rules. In the context of business process reengineering, it is necessary to judge whether business processes comply with these constraint rules or not. Furthermore, the verification of business constraints against business processes is a hard job in large enterprises whose business processes and constraints are both complex. In order to automate the judgment, unambiguous formal specifications are needed. However the notations for business process modeling are usually flow-oriented languages, the notational gap to the languages usually employed for business constraints, e.g., temporal logic, is significant and hard to bridge. Thus a visual constraint modeling language, namely VCML, is proposed and a research on automatic verification technology is conducted. XYZ/E is employed to formally define the semantics of VCML. VPML is employed to describe business processes and their semantics are also defined in XYZ/E. Then the method to verify business constraints is discussed. At last, an example illustrates the modeling of business process constraint.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"62 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123186588","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: 2
A New Variable Step-Size NLMS Adaptive Filtering Algorithm 一种新的变步长NLMS自适应滤波算法
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.62
Minchao Li, Xiaoli Xi
{"title":"A New Variable Step-Size NLMS Adaptive Filtering Algorithm","authors":"Minchao Li, Xiaoli Xi","doi":"10.1109/ITA.2013.62","DOIUrl":"https://doi.org/10.1109/ITA.2013.62","url":null,"abstract":"There is a contradiction in classical adaptive filtering algorithm that fast convergence speed comparing with low steady state error. In order to improve this contradiction, this paper presents a new non-parametric Variable Step-Size NLMS algorithm. The new algorithm uses gradient vector's features to achieve the step iteration and a certain approximation process was made for it. Software simulation and hardware implementation verify the effectiveness of the algorithm.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114390881","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: 14
The System Reliability Calculation Method Based on Improved Hidden Markov 基于改进隐马尔可夫的系统可靠性计算方法
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.63
Yan-hui Wang, Man Li, Lijie Li
{"title":"The System Reliability Calculation Method Based on Improved Hidden Markov","authors":"Yan-hui Wang, Man Li, Lijie Li","doi":"10.1109/ITA.2013.63","DOIUrl":"https://doi.org/10.1109/ITA.2013.63","url":null,"abstract":"Along with the increasing complexity of system structure and its function, the failure process of the system presents complicated dynamic characteristics. The traditional calculation method of the system reliability takes into account the parts are transferred between different states in the global state space. With the increasing number of the subsystem and the parts, the traditional calculation method of the system reliability has a problem. In order to solve the problem, the paper is based on improved hidden Markov state transfer model to solve system reliability calculation. Example analysis shows that the method can well solve the dynamic characteristics system's reliability analysis problem, and it has higher precision.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114881971","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: 1
GIS-Based 3D Modeling and Visualization in Luohe Basin 基于gis的漯河流域三维建模与可视化
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.82
Qian Zhu, Xia Li, D. Cao
{"title":"GIS-Based 3D Modeling and Visualization in Luohe Basin","authors":"Qian Zhu, Xia Li, D. Cao","doi":"10.1109/ITA.2013.82","DOIUrl":"https://doi.org/10.1109/ITA.2013.82","url":null,"abstract":"This article models and visualizes the Luohe Basin by applying three dimensional GIS technology on the 971 points of stratum data obtained in deep gullies. The result shows that this technology has attractive performance in modeling the superposed relationship of stratums in 3D, integrating 2D and 3D material, and realizing applications of spatial analysis such as volume calculation and isopach map drawing. This study also demonstrates that the modeling and visualization procedures have practical significance and potential value for similar researches on loess in other regions.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122081015","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: 1
A Novel Packaging Structure for High Power LED Based on Chip on Heat-Sink Method 一种基于芯片散热法的大功率LED封装结构
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.106
K. Pan, Peng Huang, Yu Guo, T. Lu, Bin Zhou
{"title":"A Novel Packaging Structure for High Power LED Based on Chip on Heat-Sink Method","authors":"K. Pan, Peng Huang, Yu Guo, T. Lu, Bin Zhou","doi":"10.1109/ITA.2013.106","DOIUrl":"https://doi.org/10.1109/ITA.2013.106","url":null,"abstract":"Recently, LED lighting receives extensive attention and is put in practice in many respects with the great advantages of low power consumption, high luminous efficiency and long service life. However, it is confronted with lots of problems such as light failure and short service life caused by high temperature of LED chip. So the thermal management is one of the most important aspects of successful LED systems design. In this paper, firstly, a novel packaging structure with excellent capacity of heat dissipation for high power LED which is based on Chip on Heat-sink (COH) method was proposed and investigated. Secondly, some holes were dug in the Printed Circuit Board (PCB) according to the design of heat-sink structure to realize electrical connection between chips and PCB. Then, the heat distribution for three kinds of package structure was simulated by using the software ANSYS, respectively. The simulation result shows that heat dissipation potential of the packaging structure based on COH method is best of all. After that, the main dimension parameters of LED package structure were optimized with the application of Design of Experiment (DOE) and statistical analysis. Finally, samples of the packaging structure based on COH were made successfully. The parameters of thermal properties of the samples were tested by The Thermal Transient Tester (T3ster) in order to verify the accuracy of t simulation results.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116929400","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: 1
Context Quantization Under the Minimum Increment of the Adaptive Code Length 自适应码长最小增量下的上下文量化
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.8
Min Chen, Chen Liu, F. Wang
{"title":"Context Quantization Under the Minimum Increment of the Adaptive Code Length","authors":"Min Chen, Chen Liu, F. Wang","doi":"10.1109/ITA.2013.8","DOIUrl":"https://doi.org/10.1109/ITA.2013.8","url":null,"abstract":"In this paper, the context quantization for I-ary source based on the affinity propagation algorithm is presented. In this algorithm, the design objective of the context quantizer is aimed to minimize the adaptive code length of the source sequence. In purpose of finding the optimal number of classes, the increment of the adaptive code length is suggested to be the similarity measure of two conditional probability distributions, by which the similarity matrix is constructed as the input of the affinity propagation algorithm. After the given number of iterations, the optimal quantizer with the optimal number of classes is achieved and the adaptive code length is minimized at the same time. The simulations indicate that the proposed algorithm produces results that are better than the results obtained by the minimum conditional entropy context quantization implemented by K-means with lower computational complexity.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117337070","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: 2
Structural Design and Performance Analysis of a Lengthened Working Device of Hydraulic Excavator Based on General Hydraulic Cylinder 基于通用液压缸的液压挖掘机加长工作装置的结构设计与性能分析
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.87
Jin-gang Liu, S. Kuang, Jianwen Chen, Xiaopeng Zhang, Linglin Xia
{"title":"Structural Design and Performance Analysis of a Lengthened Working Device of Hydraulic Excavator Based on General Hydraulic Cylinder","authors":"Jin-gang Liu, S. Kuang, Jianwen Chen, Xiaopeng Zhang, Linglin Xia","doi":"10.1109/ITA.2013.87","DOIUrl":"https://doi.org/10.1109/ITA.2013.87","url":null,"abstract":"Aiming at the problem of hydraulic cylinder design difficult, complex processing, we proposed a design method of lengthened of lengthening type working device of excavator based on general-purpose hydraulic cylinder by modifying the working device size and adjusting the hydraulic cylinder hinge point location. Its three-dimensional modeling is built by Pro/E. The dynamics simulation is finished by ADAMS which can verify whether the design scheme satisfy the requirements of excavation height, depth and get the most dangersous working state and the joint force in this state. Through the ADAMS dynamic simulation of the lengthened working device and prototype excavation test, research shows that the lengthened working device design can statisfy the complete machine working performance.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129654622","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: 0
The Practice of Hospital Operation Management in the Era of New Healthcare Reform 新医改时代医院运营管理的实践
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.52
Shenqi Jing, Zhongmin Wang, Yun Liu, Jianqiu Kou, Shunmei Han
{"title":"The Practice of Hospital Operation Management in the Era of New Healthcare Reform","authors":"Shenqi Jing, Zhongmin Wang, Yun Liu, Jianqiu Kou, Shunmei Han","doi":"10.1109/ITA.2013.52","DOIUrl":"https://doi.org/10.1109/ITA.2013.52","url":null,"abstract":"Due to the demand of new healthcare reform and the cancellation of drug addition, revenue of hospital decreases dramatically and hospital operations management faces tough challenges. In this paper, a practice is introduced to improve hospital operations management and strength competitive ability of hospital. Methods: We established a hospital operations and resource management platform to improving operation management quality by use of IT measures. This platform consists of 4 main parts as follows: (1) fine and standardized operation and management system, (2) reengineered and optimized business processes, (3) comprehensively upgraded business resources systems, (4) powerful operation analysis system. Results: By use of this platform, we achieved 2 goals mainly: (1) operation costs dramatically decreased, (2) hospital operations management became fine and standardized. Conclusion: IT measures play a vital role in improving hospital operations management and strengthening competitive ability of hospital.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122047895","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: 1
Context-Aware Web Service Composition Framework Based on Agent 基于Agent的上下文感知Web服务组合框架
2013 International Conference on Information Technology and Applications Pub Date : 2013-11-16 DOI: 10.1109/ITA.2013.13
Wenxi Sun, Xiuguo Zhang, Yuan Yuan, T. Han
{"title":"Context-Aware Web Service Composition Framework Based on Agent","authors":"Wenxi Sun, Xiuguo Zhang, Yuan Yuan, T. Han","doi":"10.1109/ITA.2013.13","DOIUrl":"https://doi.org/10.1109/ITA.2013.13","url":null,"abstract":"With the development of network technology, Web services and Web service composition are facing with the dynamic and unpredictable change of the external environment, diversification of user requirements, etc. In order to make Web service composition percept the dynamic change of the external environment actively, and provide the Web service corresponding to the external environment and user requirements, this paper proposes a context-aware Web service composition framework based on Agent. It puts context awareness and Agent technology into the execution of Web service composition, aims to improve the quality of service composition and provide the more suitable service composition to users at the same time.","PeriodicalId":285687,"journal":{"name":"2013 International Conference on Information Technology and Applications","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127462966","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: 7
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