Author image not provided
 Torsten Ullrich

Add personal information
  Affiliation history
Bibliometrics: publication history
Average citations per article1.69
Citation Count22
Publication count13
Publication years2006-2016
Available for download3
Average downloads per article521.00
Downloads (cumulative)1,563
Downloads (12 Months)29
Downloads (6 Weeks)4
Arrow RightAuthor only

See all colleagues of this author

See all subject areas


13 results found Export Results: bibtexendnoteacmrefcsv

Result 1 – 13 of 13
Sort by:

August 2016 Computer Science - Research and Development: Volume 31 Issue 3, August 2016
Publisher: Springer-Verlag New York, Inc.
Citation Count: 0

The building industry and facility management is in a state of upheaval: The complexity of the real world is now represented in its digital counterpart. The established object-based file format "Industrial Foundation Classes (IFC)" developed by the International Alliance for Interoperability facilitates interoperability in the context of Building Information Modeling. ...
Keywords: Geometry simplification, Industry foundation classes, Building information model, Energy efficiency

February 2016 GRAPP 2016: Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications: Volume 1: GRAPP
Publisher: SCITEPRESS - Science and Technology Publications, Lda
Citation Count: 0

In this paper, we present an optimized 3D stereoscopic display based on parallax barriers for a driving simulator. The overall purpose of the simulator is to enable user studies in a reproducible environment under controlled conditions to test and evaluate advanced driver assistance systems. Our contribution and the focus of ...
Keywords: Driving Simulator, Optimization., Parallax Barrier

September 2015 VCBM '15: Proceedings of the Eurographics Workshop on Visual Computing for Biology and Medicine
Publisher: Eurographics Association
Citation Count: 0

Due to advanced technologies, the amount of biomedical data has been increasing drastically. Such large data sets might be obtained from hospitals, medical practices or laboratories and can be used to discover unknown knowledge and to find and reflect hypotheses. Based on this fact, knowledge discovery systems can support experts ...

March 2015 GRAPP 2015: Proceedings of the 10th International Conference on Computer Graphics Theory and Applications
Publisher: SCITEPRESS - Science and Technology Publications, Lda
Citation Count: 0

A digital library for non-textual, multimedia documents can be defined by its functionality: markup, indexing, and retrieval. For textual documents, the techniques and algorithms to perform these tasks are well studied. For non-textual documents, these tasks are open research questions: How to markup a position on a digitized statue? What ...
Keywords: Machine Learning., 3D-Retrieval, Generative Modeling, Procedural Modeling

September 2014 MCSI '14: Proceedings of the 2014 International Conference on Mathematics and Computers in Sciences and in Industry
Publisher: IEEE Computer Society
Citation Count: 0

The global optimization of a mathematical model determines the best parameters such that a target or cost function is minimized. Optimization problems arise in almost all scientific disciplines (operations research, life sciences, etc.). Only in a few exceptional cases, these problems can be solved analytically-exactly, so in practice numerical routines ...
Keywords: global optimization, numerical analysis, probability theory, statistical analysis, probability of globality

April 2011 3DOR '11: Proceedings of the 4th Eurographics conference on 3D Object Retrieval
Publisher: Eurographics Association
Citation Count: 3

''What is the difference between a cup and a door?'' These kinds of questions have to be answered in the context of digital libraries. This semantic information, which describes an object on a high, abstract level, is needed in order to provide digital library services such as indexing, markup and ...

March 2011 IEEE Computer Graphics and Applications: Volume 31 Issue 2, March 2011
Publisher: IEEE Computer Society Press
Citation Count: 0

This tutorial presents probability theory techniques for boosting linear algorithms. The approach is based on statistics and uses educated guesses instead of comprehensive calculations. Because estimates can be calculated in sublinear time, many algorithms can benefit from statistical estimation. Several examples show how to significantly boost linear algorithms without negative ...
Keywords: computer graphics, geometrical problems and computations, graphics and multimedia, computations on discrete structures, geometrical problems and computations, statistical computing, computer graphics, graphics and multimedia, statistical computing, computations on discrete structures

November 2010 EuroMed'10: Proceedings of the Third international conference on Digital heritage
Publisher: Springer-Verlag
Citation Count: 2

Within the last few years generative modeling techniques have gained attention especially in the context of cultural heritage. As a generative model describes a rather ideal object than a real one, generative techniques are a basis for object description and classification. This procedural knowledge differs from other kinds of knowledge, ...
Keywords: documentation and archival, procedural knowledge, content creation, generative modeling

9 published by ACM
July 2010 Web3D '10: Proceedings of the 15th International Conference on Web 3D Technology
Publisher: ACM
Citation Count: 6
Downloads (6 Weeks): 2,   Downloads (12 Months): 8,   Downloads (Overall): 256

Full text available: PDFPDF
In this paper we present a software architecture for the integration of a RESTful web service interface in OpenSG applications. The proposed architecture can be integrated into any OpenSG application with minimal changes to the sources. Extending a scene graph application with a web service interface offers many new possibilities. ...
Keywords: web services, scene graph systems

December 2009 JVRC'09: Proceedings of the 15th Joint virtual reality Eurographics conference on Virtual Environments
Publisher: Eurographics Association
Citation Count: 0

In this paper, we present the usage of the Remote Desktop Protocol to integrate arbitrary, legacy applications in various environments. This approach accesses a desktop on a real computer or within a virtual machine. The result is not one image of the whole desktop, but a sequence of images of ...

11 published by ACM
November 2008 Journal on Computing and Cultural Heritage (JOCCH): Volume 1 Issue 2, October 2008
Publisher: ACM
Citation Count: 4
Downloads (6 Weeks): 2,   Downloads (12 Months): 13,   Downloads (Overall): 1,078

Full text available: PDFPDF
The current methods to describe the shape of three-dimensional objects can be classified into two groups: methods following the composition of primitives approach and descriptions based on procedural shape representations . As a 3D acquisition device returns an agglomeration of elementary objects (e.g. a laser scanner returns points), the model ...
Keywords: geometric reconstruction, numerics, Computer-aided geometric design, cultural heritage, optimization, semantic reconstruction

12 published by ACM
August 2008 Web3D '08: Proceedings of the 13th international symposium on 3D web technology
Publisher: ACM
Citation Count: 1
Downloads (6 Weeks): 0,   Downloads (12 Months): 8,   Downloads (Overall): 229

Full text available: PDFPDF
Scripting techniques are used in various contexts. The field of application ranges from layout description languages (PostScript), user interface description languages (XUL) and classical scripting languages (JavaScript) to action nodes in scene graphs (VRMLScript) and web-based desktop applications (AJAX). All these applications have an increase of scripted components in common ...
Keywords: graphics systems, computer graphics, modeling languages, XML, generative/procedural modeling, model compiler

January 2006 IEEE Computer Graphics and Applications: Volume 26 Issue 1, January 2006
Publisher: IEEE Computer Society Press
Citation Count: 4

This article presents a fast collision detection technique for all types of rigid bodies demonstrated with polygon soups. During the preprocessing step, a spherical sampling of the model is performed and then stored in a wavelet-like representation. This representation is space-efficient and allows the on-the-fly generation of spherical shell bounding ...
Keywords: filter banks, spherical distance field, collision detection, filter banks, max-plus algebra, collision detection, max-plus algebra, spherical distance field

The ACM Digital Library is published by the Association for Computing Machinery. Copyright © 2018 ACM, Inc.
Terms of Usage   Privacy Policy   Code of Ethics   Contact Us