The inner city (Old Town) of Graz will be the European cultural capital in 2003. In this paper we present preliminary results on the reconstruction and visualization of this kind of cultural heritage data. Starting wi...
ISBN:
(纸本)9781581134476
The inner city (Old Town) of Graz will be the European cultural capital in 2003. In this paper we present preliminary results on the reconstruction and visualization of this kind of cultural heritage data. Starting with a simple block model obtained by converting 2 1/2 dimensional GIS (geographic information system) data we focus on the image based modeling of the facades. Herein we illustrate a robust search for corresponding points to estimate the relative orientation between image ***, we outline our real-time rendering approach based on a LOD-R-tree concept. Special attention is paid on the LOD (level of detail) generation for historic buildings where two different ways working in 2D and 3D are explained. The visualization system is communicating asynchronously with a database system storing the LOD-R-tree data structure. This client-server configuration provides interactive navigation through the virtual scene and the scalability of a database management system.
The current state of the art in visualization research places a strong emphasis on different techniques to derive insight from disparate types of data. However, little work has investigated the visualization process i...
详细信息
The current state of the art in visualization research places a strong emphasis on different techniques to derive insight from disparate types of data. However, little work has investigated the visualization process itself. The information content of the visualization process-the results, history, and relationships between those results-is addressed by this work. A characterization of the visualization process is discussed, leading to a general model of the visualization exploration process. The model, based upon a new parameter derivation calculus, can be used for automated reporting, analysis, or visualized directly. An XML-based language for expressing visualization sessions using the model is also described. These sessions can then be shared and reused by collaborators. The model, along with the XML representation, provides an effective means to utilize the information within the visualization process to further data exploration.
We discuss techniques for the visualization of medical volume data dedicated for their clinical use. We describe the need for rapid dynamic interaction facilities with such visualizations and discuss emphasis techniqu...
详细信息
This (video-) paper describes a user interface concept, which facilitates multidimensional visual queries, filtering and browsing of the file system at the same time by means of the "liquid scatter space" (L...
详细信息
This (video-) paper describes a user interface concept, which facilitates multidimensional visual queries, filtering and browsing of the file system at the same time by means of the "liquid scatter space" (LSS) concept (Waldeck, 2004). The UI concept is based on an advanced star field display (Ahlberg & Shneiderman, 1994) using liquid browsing (Waldeck, 2004) and selection based (sketch-) queries. It allows realtime search and browsing at the same time (integrated into one single user interface) and can visualize the most important file system meta data dimensions simultaneously: 1. filename; 2. creation/modification date; 3. filesize; 4. filetype; and 5. label. LSS provides very fast and easy visual data mining possibilities for the desktop and makes it possible to perceive complex dependencies between the most important file system meta data properties at a glance. It also overcomes the "hidden-deep-down-in-hierarchy-structures"-problem by making it possible to use folders for structuring but not being bound to them. This paper focuses on visual design and interaction aspects and emphasizes the importance of paying regard to visual interactive details for information visualization and interaction interfaces and the need of making it easy to use.
The compensation for brain shift is assisted by intraoperative imaging. For the purpose of fast registration and interactive visualization, a framework is presented based on local desktop computers and remote high-end...
详细信息
3D displays are coming phenomenon of the nearest future and it is expected that 3D displays will be widely available soon. There are currently some 3D displays available and also some notebooks with 3D display as Shar...
详细信息
3D displays are coming phenomenon of the nearest future and it is expected that 3D displays will be widely available soon. There are currently some 3D displays available and also some notebooks with 3D display as Sharp AL3D. The viewing position is quite restricted spatially in the case of 3D displays and also the (visual information for the left eye is taken by the right eye and vice versa) causes some severe problems in 3D image perception. This paper addresses several issues concerning 3D perception based on stereo-images. Another issues related to 3D stereo video perception, like discontinuities between frames etc. are not described here.
暂无评论