L. Masud, F. Valsecchi, P. Ciuccarelli, Donato Ricci, G. Caviglia
In this paper we suggest a different approach that considers visualizations in the wider domain of communication and defines a model capable of taking into account the context in which visualizations act as communication tools. In this perspective we consider visualizations as transformation processes within the Data-Information-Knowledge (DIK) continuum. In the paper we discuss the continuum, and apply the transformation process model to the main disciplines of visualization. Visualizations represent powerful cognitive tools that surround our everyday life [1]. By doing this we are able to think about visualization from a multidisciplinary perspective, exploring the role of visualizations in design practice, as artifacts that are used in facing problems of various degrees of complexity and nature. The contribution of the model is mainly addressed to orientate and nurture the reflective practice and to formalize the strategic more than the technical role of visualizations in the design discipline.
{"title":"From Data to Knowledge - Visualizations as Transformation Processes within the Data-Information-Knowledge Continuum","authors":"L. Masud, F. Valsecchi, P. Ciuccarelli, Donato Ricci, G. Caviglia","doi":"10.1109/IV.2010.68","DOIUrl":"https://doi.org/10.1109/IV.2010.68","url":null,"abstract":"In this paper we suggest a different approach that considers visualizations in the wider domain of communication and defines a model capable of taking into account the context in which visualizations act as communication tools. In this perspective we consider visualizations as transformation processes within the Data-Information-Knowledge (DIK) continuum. In the paper we discuss the continuum, and apply the transformation process model to the main disciplines of visualization. Visualizations represent powerful cognitive tools that surround our everyday life [1]. By doing this we are able to think about visualization from a multidisciplinary perspective, exploring the role of visualizations in design practice, as artifacts that are used in facing problems of various degrees of complexity and nature. The contribution of the model is mainly addressed to orientate and nurture the reflective practice and to formalize the strategic more than the technical role of visualizations in the design discipline.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133646287","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}
The aim of the current paper is to report on the conceptualisation of visual methods and techniques that were adapted for the monitoring of community participation on Thinkster e-learning platform. This platform supported the research activities of Masters students in Multimedia Communication program at University of Aveiro (2008/2009 academic year). This research work implies two components, which are dependent. One of the components is related to the development of a Web based functional prototype in order to allow teachers and system administrators the visualisation and analysis of the users’ interactions on Thinkster’s communication and information system. The other component of this work is focused on the prototype evaluation with an analytical method that revealed some of the target users’ expectations, opinions and their satisfaction level related to the application interface.
{"title":"Visualisation of Web Based e-Learning Activity","authors":"A. Oliveira, Ó. Mealha, Carlos Santos","doi":"10.1109/IV.2010.41","DOIUrl":"https://doi.org/10.1109/IV.2010.41","url":null,"abstract":"The aim of the current paper is to report on the conceptualisation of visual methods and techniques that were adapted for the monitoring of community participation on Thinkster e-learning platform. This platform supported the research activities of Masters students in Multimedia Communication program at University of Aveiro (2008/2009 academic year). This research work implies two components, which are dependent. One of the components is related to the development of a Web based functional prototype in order to allow teachers and system administrators the visualisation and analysis of the users’ interactions on Thinkster’s communication and information system. The other component of this work is focused on the prototype evaluation with an analytical method that revealed some of the target users’ expectations, opinions and their satisfaction level related to the application interface.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122197658","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}
Vision is central in human perception. Images are everywhere. Real life applications produce and use huge amounts of different types images. Retrieving an image having some characteristics in a big database is a crucial task. We need then mechanisms for indexing and retrieving images. CBIR (Content Based Image Retrieval) systems perform these tasks by indexing images using the physical characteristics automatically extracted and searching by an image query. We will present a CBIR system named YACBIR (Yet Another CBIR) that combines several properties (color, texture and points of interest) extracted automatically to index and retrieve images.
视觉是人类感知的中心。图像无处不在。现实生活中的应用程序产生并使用大量不同类型的图像。在大型数据库中检索具有某些特征的图像是一项至关重要的任务。我们需要索引和检索图像的机制。CBIR(基于内容的图像检索)系统通过使用图像查询自动提取和搜索的物理特征对图像进行索引来执行这些任务。我们将提出一个名为YACBIR (Yet Another CBIR)的CBIR系统，它结合了自动提取的几种属性(颜色、纹理和兴趣点)来索引和检索图像。
{"title":"YACBIR: Yet Another Content Based Image Retrieval System","authors":"S. Ait-Aoudia, R. Mahiou, Billel Benzaid","doi":"10.1109/IV.2010.83","DOIUrl":"https://doi.org/10.1109/IV.2010.83","url":null,"abstract":"Vision is central in human perception. Images are everywhere. Real life applications produce and use huge amounts of different types images. Retrieving an image having some characteristics in a big database is a crucial task. We need then mechanisms for indexing and retrieving images. CBIR (Content Based Image Retrieval) systems perform these tasks by indexing images using the physical characteristics automatically extracted and searching by an image query. We will present a CBIR system named YACBIR (Yet Another CBIR) that combines several properties (color, texture and points of interest) extracted automatically to index and retrieve images.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128403153","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}
This paper discusses the problem of constructing positive cubic spline interpolation. To obtain smooth curve for positive data, piecewise rational cubic function has been used. In the description of rational interpolant, two families of parameters have been constrained to preserve positive shape of the data, the rational spline scheme has a unique representation. In addition, to preserve the shape of positive data sets, the degree of smoothness attained is C^2.
{"title":"Visualization of Positive Data by Rational Cubic Spline Interpolant","authors":"M. Sarfraz, M. Hussain, T. S. Shaikh","doi":"10.1109/IV.2010.82","DOIUrl":"https://doi.org/10.1109/IV.2010.82","url":null,"abstract":"This paper discusses the problem of constructing positive cubic spline interpolation. To obtain smooth curve for positive data, piecewise rational cubic function has been used. In the description of rational interpolant, two families of parameters have been constrained to preserve positive shape of the data, the rational spline scheme has a unique representation. In addition, to preserve the shape of positive data sets, the degree of smoothness attained is C^2.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"29 8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133163157","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}
The data-state and data-flow models of information visualization are known to be expressively equivalent. Each model is most effective for different combinations of analysis processes and data characteristics. Visualization frameworks tend to either (1) work within a single model or (2) permit either model in separate sub-frameworks. In either case, converting between the two models falls entirely to the programmer. The theoretical basis for automatic translation between the two models was established by Chi. However, that process is insufficiently specified to be directly implemented. This paper characterizes the practical advantages of the data-state model. This is used to identify when such a transformation is beneficial. It then expands on Chi's theoretical framework to provide the tools for translating visualization program fragments from the data-flow to the data-state model. A partial implementation of the expanded theory is described for the Stencil visualization environment.
{"title":"Automatic Application of the Data-State Model in Data-Flow Contexts","authors":"Joseph A. Cottam, A. Lumsdaine","doi":"10.1109/IV.2010.10","DOIUrl":"https://doi.org/10.1109/IV.2010.10","url":null,"abstract":"The data-state and data-flow models of information visualization are known to be expressively equivalent. Each model is most effective for different combinations of analysis processes and data characteristics. Visualization frameworks tend to either (1) work within a single model or (2) permit either model in separate sub-frameworks. In either case, converting between the two models falls entirely to the programmer. The theoretical basis for automatic translation between the two models was established by Chi. However, that process is insufficiently specified to be directly implemented. This paper characterizes the practical advantages of the data-state model. This is used to identify when such a transformation is beneficial. It then expands on Chi's theoretical framework to provide the tools for translating visualization program fragments from the data-flow to the data-state model. A partial implementation of the expanded theory is described for the Stencil visualization environment.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"30 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123917896","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}
In this paper we present Double Tree, a new visualization of Key Word In Context (KWIC) displays targeted to support linguistic analysis. Inspired by Wattenberg’s and Viégas’ [1] Word Tree visualization, Double Tree extends the idea of representing KWIC results as trees. We address several issues with Word Trees with respect to the specific demands of linguists and discuss the design decisions and implementation details that we chose for Double Tree. In particular we present our approach for displaying a two-sided tree. We describe details of the layout, including how frequency and linguistic information is incorporated, and what user interaction is supported. We conclude with some consideration on possible next steps for Double Tree.
{"title":"Double Tree: An Advanced KWIC Visualization for Expert Users","authors":"C. Culy, V. Lyding","doi":"10.1109/IV.2010.24","DOIUrl":"https://doi.org/10.1109/IV.2010.24","url":null,"abstract":"In this paper we present Double Tree, a new visualization of Key Word In Context (KWIC) displays targeted to support linguistic analysis. Inspired by Wattenberg’s and Viégas’ [1] Word Tree visualization, Double Tree extends the idea of representing KWIC results as trees. We address several issues with Word Trees with respect to the specific demands of linguists and discuss the design decisions and implementation details that we chose for Double Tree. In particular we present our approach for displaying a two-sided tree. We describe details of the layout, including how frequency and linguistic information is incorporated, and what user interaction is supported. We conclude with some consideration on possible next steps for Double Tree.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124173005","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}
In her 2009 new media artwork PolesApart, Australian Aboriginal artist r e a, of the Gamilaraay people in northern New South Wales, explores issues relating to the Stolen Generations of Aboriginal children. Based on the personal experiences of her grandmother and great aunt as ‘stolen children’, r e a amplifies the work’s familial dimension by enacting the role of the protagonist fleeing from forced servitude. This paper looks at PolesApart in the broader context of the interrelated phenomena of the stolen generations and the so-called ‘history wars’. It is posited that the power, immediacy and affective dimensions of (moving) visual imagery have been instrumental in shifting Australians’ knowledge about the stolen generations from the margins into the mainstream. The capacity of the moving image to ‘embody affect’ [13], it is argued, has enabled many more Australians than previously to appreciate the historical implications and continuing ramifications of this prolonged episode in Australian history. This has in turn led to the development of a more sympathetic public understanding of the phenomenon of the stolen generations as ‘lived experience’. In turn this broader social knowledge, and its integration into our shared cultural heritage, has contributed to Australians’ general receptiveness to the official Apology issued to members of the stolen generations by Prime Minister Kevin Rudd in Federal Parliament (13th February 2008). It is also the case that the popular reception of mainstream stolen generation-themed movies has influenced Australians’ openness to the themes and issues explored in contemporary non-mainstream new media work such as r e a's PolesApart. In the latter work, through the use of the vehicle of her own body, r e a demonstrates that the personal is inescapably political, and vice versa.
{"title":"Embodying Affect: The Stolen Generations, the History Wars and PolesApart by Indigenous New Media Artist r e a","authors":"C. Nicholls","doi":"10.1109/IV.2010.64","DOIUrl":"https://doi.org/10.1109/IV.2010.64","url":null,"abstract":"In her 2009 new media artwork PolesApart, Australian Aboriginal artist r e a, of the Gamilaraay people in northern New South Wales, explores issues relating to the Stolen Generations of Aboriginal children. Based on the personal experiences of her grandmother and great aunt as ‘stolen children’, r e a amplifies the work’s familial dimension by enacting the role of the protagonist fleeing from forced servitude. This paper looks at PolesApart in the broader context of the interrelated phenomena of the stolen generations and the so-called ‘history wars’. It is posited that the power, immediacy and affective dimensions of (moving) visual imagery have been instrumental in shifting Australians’ knowledge about the stolen generations from the margins into the mainstream. The capacity of the moving image to ‘embody affect’ [13], it is argued, has enabled many more Australians than previously to appreciate the historical implications and continuing ramifications of this prolonged episode in Australian history. This has in turn led to the development of a more sympathetic public understanding of the phenomenon of the stolen generations as ‘lived experience’. In turn this broader social knowledge, and its integration into our shared cultural heritage, has contributed to Australians’ general receptiveness to the official Apology issued to members of the stolen generations by Prime Minister Kevin Rudd in Federal Parliament (13th February 2008). It is also the case that the popular reception of mainstream stolen generation-themed movies has influenced Australians’ openness to the themes and issues explored in contemporary non-mainstream new media work such as r e a's PolesApart. In the latter work, through the use of the vehicle of her own body, r e a demonstrates that the personal is inescapably political, and vice versa.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127331058","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}
This paper describes a series of transdisciplinary research projects in five large-scale, interactive visualization architectures. These immersive architectures and their associated visual, sonic and algorithmic techniques offer compelling means for mapping and remediating the tangible, intangible and abstract aspects of culture and heritage landscapes. This paper brings these unique systems and the installations developed for them together for the first time. The task here is to highlight the strategies for embodied, kinaesthetic, multisensory and collaborative engagement as powerful ways to reformulate narrative made possible through these stereographic, panoramic, situated interfaces.
{"title":"Immersive Visualization Architectures and Situated Embodiments of Culture and Heritage","authors":"S. Kenderdine","doi":"10.1109/IV.2010.63","DOIUrl":"https://doi.org/10.1109/IV.2010.63","url":null,"abstract":"This paper describes a series of transdisciplinary research projects in five large-scale, interactive visualization architectures. These immersive architectures and their associated visual, sonic and algorithmic techniques offer compelling means for mapping and remediating the tangible, intangible and abstract aspects of culture and heritage landscapes. This paper brings these unique systems and the installations developed for them together for the first time. The task here is to highlight the strategies for embodied, kinaesthetic, multisensory and collaborative engagement as powerful ways to reformulate narrative made possible through these stereographic, panoramic, situated interfaces.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125447309","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}
L. Marsalek, Anna Katharina Dehof, Iliyan Georgiev, Hans-Peter Lenhof, P. Slusallek, A. Hildebrandt
Molecular visualization is one of the cornerstones in structural bioinformatics and related fields. Today, rasterization is typically used for the interactive display of molecular scenes, while ray tracing aims at generating high-quality images, taking typically minutes to hours to generate and requiring the usage of an external off-line program. Recently, real-time ray tracing evolved to combine the interactivity of rasterization-based approaches with the superb image quality of ray tracing techniques. We demonstrate how real-time ray tracing integrated into a molecular modelling and visualization tool allows for better understanding of the structural arrangement of biomolecules and natural creation of publication-quality images in real-time. However, unlike most approaches, our technique naturaly integrates into the full-featured molecular modelling and visualization tool BALLView, seamlessly extending a standard workflow with interactive high-quality rendering.
{"title":"Real-Time Ray Tracing of Complex Molecular Scenes","authors":"L. Marsalek, Anna Katharina Dehof, Iliyan Georgiev, Hans-Peter Lenhof, P. Slusallek, A. Hildebrandt","doi":"10.1109/IV.2010.43","DOIUrl":"https://doi.org/10.1109/IV.2010.43","url":null,"abstract":"Molecular visualization is one of the cornerstones in structural bioinformatics and related fields. Today, rasterization is typically used for the interactive display of molecular scenes, while ray tracing aims at generating high-quality images, taking typically minutes to hours to generate and requiring the usage of an external off-line program. Recently, real-time ray tracing evolved to combine the interactivity of rasterization-based approaches with the superb image quality of ray tracing techniques. We demonstrate how real-time ray tracing integrated into a molecular modelling and visualization tool allows for better understanding of the structural arrangement of biomolecules and natural creation of publication-quality images in real-time. However, unlike most approaches, our technique naturaly integrates into the full-featured molecular modelling and visualization tool BALLView, seamlessly extending a standard workflow with interactive high-quality rendering.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127258601","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}
The work presented in this paper aims at exploring new ways of integrating, visualizing and interacting with geotechnical and geophysical data that may be more rich and interactive than those offered by most current Geographic Information Systems (GIS). Some visualization techniques enabling simultaneous visualization of the several data types available in our case study are proposed. Moreover, methods were developed to guide experts while defining layers and other relevant geological structures. The work is still in an early stage and is main goal has been assessing the validity and adequacy of the proposed techniques to the specific geotechnical and geophysical data under consideration.
{"title":"Exploring New Ways of Integration, Visualization and Interaction with Geotechnical and Geophysical Data","authors":"V. Gonçalves, F. Almeida, Paulo Dias, B. Santos","doi":"10.1109/IV.2010.35","DOIUrl":"https://doi.org/10.1109/IV.2010.35","url":null,"abstract":"The work presented in this paper aims at exploring new ways of integrating, visualizing and interacting with geotechnical and geophysical data that may be more rich and interactive than those offered by most current Geographic Information Systems (GIS). Some visualization techniques enabling simultaneous visualization of the several data types available in our case study are proposed. Moreover, methods were developed to guide experts while defining layers and other relevant geological structures. The work is still in an early stage and is main goal has been assessing the validity and adequacy of the proposed techniques to the specific geotechnical and geophysical data under consideration.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127477071","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}
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