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Applications of terrestrial laser scanning for tunnels: a review

Journal of Traffic and Transportation Engineering(English Edition) 2014年第5期1卷 325-337页

作者： Weixing Wang Weisen Zhao Lingxiao Huang vivian vimarlund Zhiwei Wang Royal Institute of Technology School of Information Engineering Chang'an University Department of Computer and Information Science Linkping University

In recent years, the use of terrestrial laser scanning （TLS） technique in engineering surveys is gaining an increasing interest due to the advantages of non-contact, rapidity, high accuracy, and large scale. Millions of accurate 3D points （mm level accuracy） can be delivered by this technique with a high point density in a short time （up to 1 million points per second）, which makes it a poten- tial technique for large scale applications in engineering environments such as tunnels, bridges, and heritage buildings. Tunnels, in particular those with long lengths, create great challenges for surveyors to obtain the satisfactory scanned data. This paper presents a short history of TLS techniques used for tunnels. A general overview of TLS techniques is given, followed by a review of several applications of TLS for tunnels. These applications are classified as： detecting geological features of drilling tun- nels, monitoring the geometry of tunnels during excavation, making deformation measurements, and extracting features. The review emphasizes how TLS techniques can be used to measure various aspects of tunnels. It is clear that TLS techniques are not yet a common tool for tunnel investigations, but there is still a huge potential to excavate.

关键词： terrestrial laser scanning tunnel deformation measurement cross-section extraction measurement planning

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Identifying Where the Values Come from IT-Innovations in Health and Social Care

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Intelligent Information Management 2012年第5期4卷 296-308页

作者： vivian vimarlund Sabine Koch Research Center of Information Technology and Information Systems Department of InformaticsJonkoping International Business SchoolJonkopingSweden Linkoping University LinkopingSweden Health Informatics Centre Department of LearningInformaticsManagement and EthicsKarolinska InstitutetStockholmSweden

Studies aimed to capture the effects of IT-innovations in health and social care have shown that there is a gap between expected and factual outcomes. Many decision makers feel the need to articulate an ideal end-state for their organiza-tions. Striking the balance between novelty and believability of such an ideal end-state is often tricky and they become neither satisfied with the ideal not the visioning. In this study, we explore the contribution of IT-innovations to health and social care. The results showed that coherence between context and IT-innovation is important to capture effects and outcomes. Being coherent rather than visionary contributes to identify where you are, as an organization, and to capture effects and outcomes that “make sense” in the context in question. The paper makes an exposition from the model building, algorithm design to performance analysis and contributes to the academic prosperity in Intelligent In-formation Management The knowledge generated is expected to provide input when identifying goals that IT-investments are supposed to achieve.

关键词： IT-Innovation Intelligent Information Management Health and Social Care Coherence

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Brokers as Catalysts for the E-Health Market

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Intelligent Information Management 2017年第5期9卷 177-188页

作者： vivian vimarlund Craig Kuziemsky Christian Nohr Pirkko Nykanen Nicolas Nikula International Business School Jonkoping UniversityJonkopingSweden Department of Computer and Information Science/Human-Centered Systems Linkoping UniversityLinkopingSweden University of Ottawa OttawaCanada Aalborg University AalborgDenmark University of Tampere TampereFinland Post-Nord StockholmSweden

In this study we use the experiences from the service industry and explore pre-requisites of the e-health market which will need to achieve to stimulate both sides of the market (vendors, healthcare organizations, government, institutions, corporations and services organizations) to interact with each other and develop demand driven services and social innovations. The results presented in this paper may be of interest for decision makers, industries (e.g. software or technology designers), small and medium enterprises (SME) and entrepreneurs with an interest in becoming a part of the e-health market, and for consumers (e.g. healthcare personnel and patients) that are willing to influence the market through their choices. The outcomes of the study shown that the role of virtual brokers is essential to the further development of a sustainable e-health market globally because its role as catalyst for interaction between the two-sides of the markets, its effects on the reduction of competitive constrains, its effects on the accessibility to broader network of actors and its effects on the support of public-private exchanges of knowledge and experience.

关键词： Virtual Brokers Two-Sided E-Health Market Demand Driven Services Social Innovations

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