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1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)最新文献

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Continuous field visualization with multi-resolution textures 具有多分辨率纹理的连续场可视化
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781541
I. Curington
{"title":"Continuous field visualization with multi-resolution textures","authors":"I. Curington","doi":"10.1109/IV.1999.781541","DOIUrl":"https://doi.org/10.1109/IV.1999.781541","url":null,"abstract":"A method of using a texture mapping approach to color scales is described, for the purpose of visualizing continuous field scalar quantities. The technique is most appropriate where high gradients are present in the data, or where geometric surfaces are projected to significant screen area. The use of texture mapping takes advantage of widely available 3D display systems for interactive visualization system design. The technique yields a significant reduction in visualization artifacts caused by color interpolation. Multiple resolution textures are shown to improve visualizations of high dynamic range data.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129009752","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
A general approach to constraint solving for declarative modeling domain 声明性建模领域约束求解的通用方法
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781591
K. Ghassan
{"title":"A general approach to constraint solving for declarative modeling domain","authors":"K. Ghassan","doi":"10.1109/IV.1999.781591","DOIUrl":"https://doi.org/10.1109/IV.1999.781591","url":null,"abstract":"Research in declarative modeling started some years ago, and important progress has been accomplished and different orientations have been studied. However, some fundamental problems are not exhaustively explored: the role of constraint solvers in maintaining the scene; detecting the incoherence and contradictions between constraints; reducing the number of generated solutions by dynamically adding new constraints. Our main contribution concerns declarative modeling with constraints. We have developed a constraint solver called ORANOS that offers an extended model of constraint satisfaction problems. The solver supports two independent domains of artificial intelligence research: hierarchical constraints and dynamical constraints. The former offers efficient solving techniques for over-constrained problems; the latter allows development of interactive applications. These essential features allow the solver to extend the range of declarative modeling applications.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116421412","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
Multi-model verification of patient positioning in radiotherapy 放疗中患者定位的多模型验证
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781543
P. A. Graham, B. Thompson, J. Stratford, R. Mackay, C. Moore, P. Sharrock
{"title":"Multi-model verification of patient positioning in radiotherapy","authors":"P. A. Graham, B. Thompson, J. Stratford, R. Mackay, C. Moore, P. Sharrock","doi":"10.1109/IV.1999.781543","DOIUrl":"https://doi.org/10.1109/IV.1999.781543","url":null,"abstract":"Conformal radiotherapy uses multi-leaf collimation to customise radiation dose fields to the three-dimensional shape of the target tumour. Its effectiveness is governed by the precision of dose delivery achieved using a few coplanar tattoo markers. During a course of treatment, the patient's body surface profile fluctuates causing the reference skin tattoo markers to move and hence, without the ability to verify target position, the precision of pretreatment set-ups will degrade, often significantly. Cross-modal patient set-up verification software has been developed which allows the user to examine images from various modalities. All imaging modalities available can be used to collectively define anatomical landmarks, outlined on a representative reference image in order to verify radiation field placement using anterior and lateral pre-treatment portal images. This software is presently being used within a national clinical trial for recording the field placement error observed daily at pre-treatment.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114427969","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
Solving geometric constraints by a graph-constructive approach 用图构法求解几何约束
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781567
S. Ait-Aoudia, B. Hamid, A. Moussaoui, T. Saadi
{"title":"Solving geometric constraints by a graph-constructive approach","authors":"S. Ait-Aoudia, B. Hamid, A. Moussaoui, T. Saadi","doi":"10.1109/IV.1999.781567","DOIUrl":"https://doi.org/10.1109/IV.1999.781567","url":null,"abstract":"A geometric constraint solver is a major component of recent CAD systems. Graph constructive solvers stem from graph theory. We describe a 2D constraint based modeller that uses a graph constructive approach to solve systems of geometric constraints. The graph based approach provides means for developing sound and efficient algorithms. We present a linear algorithm that solves a large subset of the rule and compass constructive problems. Methods for handling over- and under-constrained schemes are also given.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121991814","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: 13
Designing a computer-aided-learning application using multimedia to train inexperienced building surveyors in building pathology 设计一个计算机辅助学习应用程序，利用多媒体对缺乏经验的建筑测量师进行建筑病理学培训
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781535
M. Shelbourn, G. Aouad, Mike Hoxley
{"title":"Designing a computer-aided-learning application using multimedia to train inexperienced building surveyors in building pathology","authors":"M. Shelbourn, G. Aouad, Mike Hoxley","doi":"10.1109/IV.1999.781535","DOIUrl":"https://doi.org/10.1109/IV.1999.781535","url":null,"abstract":"Computer aided/assisted learning (CAL) systems aim to provide learners with both a rich set of learning resources and tools to help them navigate through such structures. The advent of high quality graphics and multimedia has enabled learning styles that were previously impractical to be developed and supported by state of the art CAL systems. This paper concentrates on how multimedia can be used as a computer-aided-learning medium in training inexperienced surveyors in building pathology.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126262694","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
Visualisation in construction - Trends and future directions 建筑中的可视化-趋势和未来方向
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781616
G. Aouad
{"title":"Visualisation in construction - Trends and future directions","authors":"G. Aouad","doi":"10.1109/IV.1999.781616","DOIUrl":"https://doi.org/10.1109/IV.1999.781616","url":null,"abstract":"It is widely recognised that construction is an information intensive and complex industry. Traditional computational techniques have failed our industry because of the shear number of information interfaces and complex relationships. Modern visual technologies can resolve many of the aforementioned problems by providing construction professional with 3 dimensional information interfaces that allow them to use the visual model (3D, VR, etc) as the medium for communication, interaction, and integration. This lecture looks at trends and predictions within the construction sector for technologies such as visualisation through CAD and VR. It then presents an improved model for information interfacing through VR capabilities. The information interface model is a webbased one developed to provide opportunities for many construction professionals across the supply chain using open technologies such as the Internet. This lecture will demonstrate that information visualisation is of importance and can be used by every participant within the construction sector including clients, contractors, cost estimators, project planners, and others. Finally, this lecture will conclude with a series of live demos resulting from state of the art research on information visualisation and interfaces being conducted at the University of Salford in the UK. Salford is bringing together visualisation, object oriented and webtechnologies to solve the problems associated with construction information integration and communication. This lecture will provide an overview of this research that will help many interested parties understand how these technologies can work together.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132327681","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
Simulated Site Visits. A 4D multimedia database for the study of architectural construction 模拟现场参观。一个用于建筑施工研究的4D多媒体数据库
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781537
C. Newton
{"title":"Simulated Site Visits. A 4D multimedia database for the study of architectural construction","authors":"C. Newton","doi":"10.1109/IV.1999.781537","DOIUrl":"https://doi.org/10.1109/IV.1999.781537","url":null,"abstract":"Architectural designs are translated into buildings using the documentation language. Gaps invariably exist between what is documented and what is built. Once a building is complete, its construction is largely concealed and it becomes difficult to compare the drawn details with the built details. This difficulty is compounded by the abstract nature of traditional architects' orthographic drawings. A multimedia relational database titled 'Simulated Site Visits' (SSV), developed by Clare Newton and Jonathan Finkelstein at the University of Melbourne, records the process of constructing buildings. The structure and layout of SSV facilitates comparisons across media and helps to shift the focus onto the connections and gaps between a building and its representation. The development of SSV has been funded because of its potential as a teaching aid for architecture and building students. This paper outlines teaching implications of this form of multimedia intertwined with a discussion of the research potential.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131880862","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 visualisation of building data in VR-DIS VR-DIS中建筑数据的可视化
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781555
M. Coomans, H. Timmermans
{"title":"The visualisation of building data in VR-DIS","authors":"M. Coomans, H. Timmermans","doi":"10.1109/IV.1999.781555","DOIUrl":"https://doi.org/10.1109/IV.1999.781555","url":null,"abstract":"The VR-DIS system is a design application for the building and construction industry (VR-DIS stands for Virtual Reality - Design Information System). The user interface is characterised by a mixed representation of the task domain. A pictorial representation of the appearance of the building is combined with a visualisation of the formal description of the design. The latter visualisation is worked out as a highly interactive 3D graph in which relation types are mapped on distinct planar directions and the browsing history is visualised in the third dimension. We discuss the theoretical foundations of the interface as a whole and those of the developed 3D graph.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132144169","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: 5
Utilizing desktop virtual reality to enhance visualization: applied projects from the Department of Computer Graphics 利用桌面虚拟现实增强视觉效果:计算机图形系应用项目
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781583
J. Mohler
{"title":"Utilizing desktop virtual reality to enhance visualization: applied projects from the Department of Computer Graphics","authors":"J. Mohler","doi":"10.1109/IV.1999.781583","DOIUrl":"https://doi.org/10.1109/IV.1999.781583","url":null,"abstract":"Virtual reality technologies provide a unique method for enhancing user visualization of complex three-dimensional objects and environments. By experience and environmental interaction, users can more readily perceive the dimensional relationships of objects typically portrayed via static multiview or pictorial representations. Until recently, many of the VR technologies required significant computing power for adequate delivery and provided realism that is often less than actual. Alternatively video-based VR technologies overcome the two major limitations of true three-dimensional VR technologies-computing horsepower and realism. The focus of this contribution is to provide background information on VR technology for the improvement of spatial abilities, describe the advantages of video-based VR technologies, and provide examples showing how video-based VR can be used to enhance visualization in education and training.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129319758","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: 6
A role for VRML as a multimedia backbone in interpreting cultural heritage sites VRML作为诠释文化遗产的多媒体主干的角色
1999 IEEE International Conference on Information Visualization (Cat. No. PR00210) Pub Date : 1999-07-14 DOI: 10.1109/IV.1999.781546
J. Counsell, N. Bates-Brkljac
{"title":"A role for VRML as a multimedia backbone in interpreting cultural heritage sites","authors":"J. Counsell, N. Bates-Brkljac","doi":"10.1109/IV.1999.781546","DOIUrl":"https://doi.org/10.1109/IV.1999.781546","url":null,"abstract":"The paper appraises the role of virtual reality modelling language (VRML) based 3D computer based models of historic environments in increasing access for and assisting the understanding of the general public. It is argued that VRML based 3D models and linked media create a low cost easy to use and intuitively accessible interface through which transient or casual users can retrieve information or experience narrative. The same data collation and modelling process can also assist conservation professionals in their tasks. Criteria are discussed for determining when it is more appropriate to model rather than use photographic techniques in the light of the commonly expressed fear in conservation circles that vicarious presentations may dominate genuine historical experience. Developments are identified which may assist in improving ease of use and understanding by visitors on and off-site.","PeriodicalId":340240,"journal":{"name":"1999 IEEE International Conference on Information Visualization (Cat. No. PR00210)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125093605","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: 6
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