关键词：
Shape from images;Shape from silhouette;Viewing line;Visual hull
摘要：
Visual hull of object has been widely applied in many fields in computer vision. The methods computing visual hulls are mainly classified into two categories: surface-based approaches and volume-based approaches. Surface-based approaches are precise and lack robustness while volume-based approaches are robust but inaccurate and work slowly. However, the speeds of both methods cannot satisfy the demand of real-time application. The paper proposes a novel method to compute visual hull rapidly. To this aim, the method is based on viewing lines. First, the viewing lines are computed from all the contours of the object from different viewpoints. Secondly, the viewing lines are confined within limits and sampled into some dispersive points. Thirdly, a sequence of images of the object is used to exclude points which locate outside the surface of the visual hull. Finally, a water-tight surface of visual hull is extracted from the remnant points. Experiments with real data are conducted to test the rapidity of the proposed method. (C) 2013 Elsevier GmbH. All rights reserved.
期刊：
Proceedings of ISSI 2013 - 14th International Society of Scientometrics and Informetrics Conference,2013年1:831-846
作者机构：
[Lyu, Peng-Hui] Wuhan University, Center for the Studies of Information Resources, Wuhan 430072, China;[Ma, Fei-Cheng; Liu, Xiang] Huazhong Normal University, School of Information Management, Wuhan 430079, China
作者机构：
[马费成; 刘向] Center for Studies of Information Resources, Wuhan University, Wuhan 430072, China;[刘向] School of Information Management, Huazhong Normal University, Wuhan 430079, China
通讯机构：
Center for Studies of Information Resources, Wuhan University, China
期刊：
Proceedings of the 2012 5th International Conference on Business Intelligence and Financial Engineering, BIFE 2012,2012年:93-97
通讯作者：
Li, Qian
作者机构：
[Li, Qian; Chen, Ming] Cent China Normal Univ, Informat Management Dept, Wuhan 430079, Peoples R China.;[Zhang, Xuan] Zhejiang Police Coll, Publ Dept, Hangzhou 310053, Zhejiang, Peoples R China.
通讯机构：
[Li, Qian] C;Cent China Normal Univ, Informat Management Dept, Wuhan 430079, Peoples R China.
会议名称：
International Conference on Business Intelligence and Financial Engineering
会议时间：
2012-08-18
会议地点：
Lanzhou, Gansu, China
会议主办单位：
[Li, Qian;Chen, Ming] Cent China Normal Univ, Informat Management Dept, Wuhan 430079, Peoples R China.^[Zhang, Xuan] Zhejiang Police Coll, Publ Dept, Hangzhou 310053, Zhejiang, Peoples R China.^[Chen, Ming] Cent China Normal Univ, Informat Management Dept, Wuhan 430079, Peoples R China.
会议论文集名称：
2012 Fifth international conference on business Intelligence and financial engineering
关键词：
cloud computing;enterprise knowledge supply chain (EKSC);peripheral branches of the enterprise knowledge supply chain (PBEKSC);knowledge supply activity module (KSAM);micro-element of the knowledge supply chain (MEKSC)
摘要：
This paper first discusses the narrow and broad sense of the Knowledge Supply Chain (KSC) proposed by Chinese scholars, and based on this, advances the definition of the Enterprise Knowledge Supply Chain (EKSC). Then, the three problems needed to be solved in constructing the EKSC are put forward which include the ignorance of the peripheral branches of the Enterprise Knowledge Supply Chain (PBEKS), the identification and segmentation of knowledge users of the EKSC, and the high-level requirements of timely response of the EKSC. Meanwhile, the methods and thoughts of Cloud Computing are adopted to solve those problems and the effects which are favorable to the EKSC brought by the Cloud Computing are proposed. Those effects include encouraging enterprises to attach importance to the PBEKS, providing distributed storage and distributed computing capabilities, and substantial improvements in the communication and teamwork of the EKSC. By means of analogy, the design principles and design thoughts are put forward from analyzing the principles and operation mechanisms of the branching and convergence of the human body blood circulation system. According to the design principles and design thoughts, the overall structure design of the Cloud-computing-based EKSC and the detailed design of the resource structure of the Cloud-computing-based PBEKS are given.
作者机构：
[LI Xingxing] Department of Information Management, Huazhong Normal University, Wuhan 430079, China;[JIA Lufeng] Bureau of Fisheries Management of Yellow Sea and Bohai Sea Areas, Ministry of Agriculture Fishery Corps, Yantai 264119, China
通讯机构：
Department of Information Management, Huazhong Normal University, China
摘要：
Author cooperation relationship in scientific research is of great significance to resource sharing, exchange of ideas, knowledge dissemination, information acquisition, etc. In this paper, author cooperation relationship in knowledge management field has been deeply by the social network analysis (SNA). The characteristics and present situation and problems of the author cooperation have been revealed through building cooperation network diagram and analyzing network central, network density, small groups, in order to provide some inspiration for knowledge communication and policies making.
摘要：
This paper conducts a citation analysis of 2155 articles from 2002-2011 in Information Science using citespace to highlight developments and to identify possible gaps. The visualization analysis of keyword, cited reference, institution and cited journal reveals the research hotspots, development approaches, historical trends, highly productive institutions and top ranked journals in this discipline. In all, Information Science is a interdisciplinarity field and related reseach needs special attention to domain-specific knowledge.
作者机构：
[张景广; 张大斌; 彭森] Department of Information Management, Central China Normal University, Wuhan 430079, China;[张大斌] Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
通讯机构：
Department of Information Management, Central China Normal University, China
作者机构：
[阎欣; 海峰; 丁灿] School of Economics and Management, Wuhan University, Wuhan 430072, China;[邵校] Department of Information and Management, Central China Normal University, Wuhan 430079, China
通讯机构：
School of Economics and Management, Wuhan University, China
作者机构：
[Li, Yanhui; Wei, Aoxia; Cui, Feitao] Huazhong Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.
通讯机构：
[Cui, Feitao] H;Huazhong Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.
会议名称：
2nd International Conference on Advances in Materials and Manufacturing Processes (ICAMMP 2011)
会议时间：
DEC 16-18, 2011
会议地点：
Guilin, PEOPLES R CHINA
会议主办单位：
[Cui, Feitao;Li, Yanhui;Wei, Aoxia] Huazhong Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.
会议论文集名称：
Advanced Materials Research
关键词：
Distribution Center;Dynamic Location Problem;Improved D&O Rules
摘要：
Considering the logistics system time-varying characteristic, this paper establishes a distribution center dynamic programming model. The model is using improved D&O rules and branch and bound algorithm to list each phase alternative distribution center scheme, then solved by dynamic programming method, to find the optimal scheme of the whole planning period. Through example and contrast, prove this calculation algorithm is feasible and better.
期刊：
International Journal of Computer Applications in Technology,2012年44(2):137-144 ISSN：0952-8091
通讯作者：
Zhang, D.(zdbff@yahoo.com.cn)
作者机构：
[Jincai Yang; Caixia Chen; Yanan Li; Xianjun Shen] Department of Computer Science, Central China Normal University, Wuhan, China;[Dabin Zhang] Department of Information Management, Central China Normal University, Wuhan, China
通讯机构：
Department of Information Management, Central China Normal University, China
摘要：
Knapsack problem is a classical combinatorial optimisation problem. This paper presents greedy continuous particle swarm optimisation (GCPSO) algorithm to solve the knapsack problem. First, the greedy strategy is introduced into the process of particles' initialisation based on standard particle swarm optimisation (SPSO). This strategy guarantees the particle swarm has a better beginning in a degree. Second, based on the analysis of the characteristics of the knapsack problem's solution space, and in terms of the binary code in evolutionary computation, the paper presents multi-state coding. To some extent, the multi-state coding reduces the data redundancy when encoding the solution of the knapsack problem. In experiments, the authors used discrete particle swarm algorithm as well as continuous particle swarm algorithm to find solutions for the knapsack problem. The experimental results show that the GCPSO algorithm provides better solution for the knapsack problems.
作者机构：
[LI Qian; WU Qingyuan] Department of Information Management, Huazhong Normal University, Wuhan 430079, China
通讯机构：
Department of Information Management, Huazhong Normal University, China
会议名称：
第七届科学计量学与大学评价国际研讨会
会议时间：
2012-10-27
会议地点：
武汉
会议论文集名称：
第七届科学计量学与大学评价国际研讨会论文集
关键词：
Open Access;Statistical methods;Quantitative analysis;Time series;Research
摘要：
This article is based on the statistics from the database of CNKI. With Bibliometric and statistical methods the authors make a information analysis of research paper the issued in periodical during 2000~June. 1. 2012 about the aspects such as time distribution, journal distribution, author cooperation and keywords study, in the end of the paper, the authors summarized four points about the research situation of open access, providing suggestions to the development of Open Access in China.
期刊：
ACM International Conference Proceeding Series,2012年:223-226
通讯作者：
Wu, J.(wujh@mail.ccnu.edu.cn)
作者机构：
[Wu, Jianhua] School of Information Management, Central China Normal University, Wuhan, Hubei 430079, China;[Yang, Harrison Hao] Department of Curriculum and Instruction, School of Education, State University of New York at Oswego, United States;[He, Xiuling] National Engineering Research Center for E-Learning, Central China Normal University, Wuhan, Hubei 430079, China
通讯机构：
School of Information Management, Central China Normal University, China
会议名称：
4th International Conference on Internet Multimedia Computing and Service, ICIMCS 2012
会议时间：
September 9, 2012 - September 11, 2012
会议地点：
Wuhan, China
关键词：
Computer games;Educational games;Game model for information literacy education;Games-based learning;Information literacy competency standards;Information literacy education
期刊：
Proceedings of the 2012 5th International Conference on Business Intelligence and Financial Engineering, BIFE 2012,2012年:15-19
通讯作者：
Xiao, Yi
作者机构：
[Xiao, Yi] Cent China Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.;[Xiao, Ming] Cent China Normal Univ, Network Ctr, Wuhan 430079, Peoples R China.;[Zhao, Fuzhe] Cent China Normal Univ, Dept Comp Sci, Wuhan 430079, Peoples R China.
通讯机构：
[Xiao, Yi] C;Cent China Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.
会议名称：
International Conference on Business Intelligence and Financial Engineering
会议时间：
2012-08-18
会议地点：
Lanzhou, Gansu, China
会议主办单位：
[Xiao, Yi] Cent China Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China.^[Xiao, Ming] Cent China Normal Univ, Network Ctr, Wuhan 430079, Peoples R China.^[Zhao, Fuzhe] Cent China Normal Univ, Dept Comp Sci, Wuhan 430079, Peoples R China.
会议论文集名称：
2012 Fifth international conference on business Intelligence and financial engineering
摘要：
For financial investment, the problem that we often encounter is how to extract information hidden in the volatile and noise data and forecast it into future. This study proposes a novel three-stage neural-network-based nonlinear weighted ensemble model. In proposed model, three different types neural-network base models, i.e., Elman network, generalized regression neural network (GRNN) and wavelet neural network (WNN) are generated by three non-overlapping training sets, further, they are optimized by improved particle swarm optimization (IPSO) with adaptive nonlinear inertia weight and dynamic arccosine function acceleration parameters. Finally, a neural-network-based nonlinear weighted meta-model be produced by learning three neural-network base models through support vector machines (SVM) neural network. The superiority of the proposed approach is due to its flexibility to account for potentially complex nonlinear relationships that are not easily captured by single or linear models. Empirical results suggest that the novel ensemble model generally produces forecasts which, on the basis of out-of-sample forecast encompassing tests and comparisons of four different statistic measures, routinely dominate the forecasts from single modeling and linear modeling approach with two daily stock indices time series processes.
摘要：
Co-word analysis is used to explore the status and trends on blog research. Data were collected from SCI and SSCI databases. Hierarchical cluster analysis, strategic diagram and social network analysis are employed for data analysis using BibExcel, SPSS 17.0, Excel 2007 and Pajek. Results show that, blog research lies in the fast development phase at a rapid pace in recent years. It has attracted a diversity set of areas and research topics are varied. And study related to social network is the most popular topic.
作者机构：
[WANG Mengmeng] Information Management School, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China;[QU Hui] Research Center for Chinese Science Evaluation, Wuhan University, Luojia Hill, Wuhan 430072, China
通讯机构：
Information Management School, Central China Normal University, 152 Luoyu Road, China
会议名称：
第七届科学计量学与大学评价国际研讨会
会议时间：
2012-10-27
会议地点：
武汉
会议论文集名称：
第七届科学计量学与大学评价国际研讨会论文集
关键词：
information retrieval;author co-citation;clustering analysis;social network analysis;quantitative analysis
摘要：
We analyze 1386 literatures collected by CSSCI of 1998-2011 domestic information retrieval by utilizing clustering analysis, social network analysis, author co-citation analysis and other methods, investigate the development status of the field and find authors' groups, research and research hotspots in the field.
作者机构：
[WANG Le; TAN Chunhui] School of Information Management, Central China Normal University, Wuhan 430079, China
通讯机构：
School of Information Management, Central China Normal University, China
会议名称：
第七届科学计量学与大学评价国际研讨会
会议时间：
2012-10-27
会议地点：
武汉
会议论文集名称：
第七届科学计量学与大学评价国际研讨会论文集
关键词：
Humanities and social sciences;Indexing;Performance evaluation;Quantitative analysis;Research
摘要：
There has been a considerable amount of research on Research teams, but not yet the related works on Research team performance evaluation for the Academic Humanities and Social Science (AHSS). The paper introduces the Balanced Scorecard (BSC) into the Research teams performance evaluation for the AHSS to provide a new idea and method of evaluation. Article fully demonstrates the feasibility of the introduction of the BSC evaluation method, on this basis to build the Research team performance evaluation system for the AHSS, and creativly presents the four evaluation dimensions: team utility, team resources, team work, team innovation and learning, to provide reference to the Research team performance evaluation for the AHSS.
摘要：
The main problem with educational games is the insufficient of playability. According to the contemporary game design theory, we analyze the online game "QQ Farm" and the information literacy educational game "Defense of Hidgeon" from five aspects: target, role, challenge, resources and tools, and interaction, trying to find out the differences between them in terms of following the game design theory. We find out that there is a serious lack of game elements in the game "Defense of Hidgeon". Six basic principles for educational game design are summarized, and the concept of challenge chain is proposed in particular.
作者机构：
[WU Qingyuan; LI Qian] School of Information Management, Central China Normal University, Wuhan 430079, China
通讯机构：
School of Information Management, Central China Normal University, China
会议名称：
第七届科学计量学与大学评价国际研讨会
会议时间：
2012-10-27
会议地点：
武汉
会议论文集名称：
第七届科学计量学与大学评价国际研讨会论文集
关键词：
value analysis;resource valuation;information;born-digital resources;efficient exploitation
摘要：
On the basis of the discussion on the connotation of the born-digital resources, the definition of the value of born-digital resources is given from the two aspects which are the commodity value and the non-commodity value. The concept of the assessment on the value of the born-digital resources is proposed and the characteristics of the assessment activities, such as purposefulness, normative, comparative and so on, are put forward. The classifications of the value assessment of the born-digital resources are discussed from the two aspects which are the commodity value assessment and the non-commodity value assessment. Finally, the ideas of the efficient exploitation of born-digital resources driven by value assessment are proposed which are developing born-digital product and exploring harmonious and sustainable development of born-digital resources.
