zum Inhalt springen

Dr. Stefan Zellmann

Research Interests:

  • Direct volume rendering
  • Physically based and photorealistic rendering
  • High performance computing
  • GPGPU computing
  • FPGA programming

Projects:

  • Visionaray ray tracing framework [Link]
  • Virvo volume rendering library [Link]
  • HPSC TerrSys: High performance computing in terrestrial systems [Link]

Publications:

  • S. Zellmann, D. Wickeroth, U. Lang (2017),
    "Visionaray: A Cross-Platform Ray Tracing Template Library".
    Proceedings of the 10th Workshop on Software Engineering and Architectures for Realtime Interactive Systems (IEEE SEARIS 2017), Los Angeles, California, USA, March 19, 2017.
    PDF Slides
  • S. Zellmann, M. Hoevels, U. Lang (2017),
    "Ray traced volume clipping using multi-hit BVH traversal".
    Proceedings of Visualization and Data Analysis (VDA), Burlingame, California, USA, January 29-February 2, 2017. DOI: 10.2352/ISSN.2470-1173.2017.1.VDA-392
    Link PDF Bibtex Slides
  • D. Hoffmeister, S. Zellmann, A. Pastoors, M. Kehl, P. Cantalejo, J. Ramos, G. C. Weniger, G. Bareth (2015),
    "The investigation of the Ardales Cave, Spain - 3D documentation, topographic analyses, and lighting simulations based on terrestrial laser scanning".
    Archaeological Prospection. DOI: 10.1002/arp.1519
    Link Bibtex
  • S. Zellmann, Y. Percan, U. Lang (2015),
    "Advanced texture filtering: a versatile framework for reconstructing multi-dimensional image data on heterogeneous architectures".
    Proceedings of Visualization and Data Analysis (VDA), San Francisco, California, USA, February 8-12, 2015.
    Link Bibtex
  • Y. Percan, S. Zellmann, U. Lang (2014),
    "Asymptotic error of cubic B-spline interpolation using prefiltering".
    Springer Numerical Algorithms. DOI: 10.1007/s11075-014-9941-x
    Link PDF Bibtex

  • S. Zellmann (2014),
    "Interactive High-Performance Volume Rendering".
    PhD thesis, 19 August 2014.
    Link Bibtex

  • D. Hoffmeister, S. Zellmann, K. Kindermann, A. Pastoors, U. Lang, O. Bubenzer, G. C. Weniger, G. Bareth (2014),
    "Geoarchaeological site documentation and analysis of 3D data derived by terrestrial laser scanning".
    ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, II-5, pp. 173-179, 2014.
    Link Bibtex

  • S. Zellmann, U. Lang (2013),
    "A Comparison of GPU Box-Plane Intersection Algorithms for Direct Volume Rendering".
    Proceedings of the 14th IASTED International Conference on Computer Graphics and Imaging (CGIM),
    Innsbruck, Austria, February 12-14, 2013.
    Link Bibtex Slides

  • S. Zellmann, U. Lang (2012),
    "A Software Architecture for Distributed Volume Rendering on HPC Systems".
    Proceedings of the 24th IASTED International Conference on Parallel and Distributed Computing and Systems (PDCS),
    Las Vegas, Nevada, USA, November 12-14, 2012.
    Link Bibtex

  • S. Zellmann, M. Aumüller, U. Lang (2012),
    "Image-Based Remote Real-Time Volume Rendering - Decoupling Rendering from View Point Updates".
    Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE),
    Chicago, Illinois, USA, August 12-15, 2012.
    Link Bibtex

Talks:

  • S. Zellmann (2016), "Visionaray: A Modern C++ Framework for Prototyping Ray Tracing Kernels". Libre Graphics Meeting 2016, London, United Kingdom, April 15-18, 2016.
    Link Slides