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  Direct Visualization of Real-world Light Transport

Hullin, M. B., Fuchs, M., Ihrke, I., Ajdin, B., Seidel, H.-P., & Lensch, H. P. A. (2008). Direct Visualization of Real-world Light Transport. In O. Deussen, D. Keim, & D. Saupe (Eds.), Vision, Modeling, and Visualization 2008 (pp. 363-371). Heidelberg: Akademische Verlagsgesellschaft Aka.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-1B6F-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0023-CDF1-9
Genre: Conference Paper

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 Creators:
Hullin, Matthias B.1, 2, Author           
Fuchs, Martin1, Author           
Ihrke, Ivo1, 3, Author           
Ajdin, Boris1, Author           
Seidel, Hans-Peter1, Author           
Lensch, Hendrik P. A.1, Author           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2International Max Planck Research School, MPI for Informatics, Max Planck Society, ou_1116551              
3Graphics - Optics - Vision, MPI for Informatics, Max Planck Society, ou_1116549              

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 Abstract: Light transport in complex scenes with possibly intricate optical properties is difficult to grasp intuitively. The study of light transport has so far mainly been conducted by indirect observations. Cameras or human observers typically only sense the radiance reflected from a scene, i.e. the light directly emitted or reflected from the last bounce of a possibly much longer light path. Models for the propagation of light, however, typically assume light waves or rays, concepts which so far have been communicated in an abstract way using formulas or sketches. In this paper, we propose the use of fluorescent fluids for direct visualization of light transport in the real world. In the fluorescent fluid the traces of light become visible as a small fraction of the energy transported along the ray is scattered out towards the viewer. We demonstrate this visualization for direct illumination effects such as reflections and refractions at various surfaces, as well as for global effects such as subsurface light transport in translucent material, caustics, or interreflections. As this allows for the inspection of entire light paths, rather than the last scattering event, we believe that this novel visualization can help to intuitively explain the phenomena of light transport to students and experts alike.

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Language(s): eng - English
 Dates: 2009-03-252008
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 428109
Other: Local-ID: C125756E0038A185-39A3AED3CD668CC9C125755400580189-HullinVMV2008
BibTex Citekey: HullinVMV2008
 Degree: -

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Title: 13th International Fall Workshop Vision, Modeling, and Visualization 2008
Place of Event: Konstanz, Germany
Start-/End Date: 2008-10-08 - 2008-10-10

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Title: Vision, Modeling, and Visualization 2008
  Abbreviation : VMV 2008
  Subtitle : Proceedings ; October 8-10, 2008, Konstanz, Germany
Source Genre: Proceedings
 Creator(s):
Deussen, Oliver1, Editor
Keim, Daniel1, Editor
Saupe, Dietmar1, Editor
Affiliations:
1 External Organizations, ou_persistent22            
Publ. Info: Heidelberg : Akademische Verlagsgesellschaft Aka
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 363 - 371 Identifier: ISBN: 978-3-89838-609-8