Selective Inspection and Interactive Visualization of Light Transport in Virtual Scenes
Identifieur interne : 000227 ( Main/Exploration ); précédent : 000226; suivant : 000228Selective Inspection and Interactive Visualization of Light Transport in Virtual Scenes
Auteurs : Tim Reiner ; Anton Kaplanyan ; Marcel Reinhard ; Carsten DachsbacherSource :
- Computer Graphics Forum [ 0167-7055 ] ; 2012-05.
English descriptors
- KwdEn :
- Teeft :
- Additional information, Artistic control, Artistic scene, Blackwell publishing, Caustic, Complex lighting situations, Computer graphics, Computer graphics forum, Computer graphics knowledge, Direct light, Directional aspects, Domain experts, Eurographics, Eurographics association, Feedback, Formal user study, Free space, Frequency analysis, Global illumination, Graphics, Indirect light, Individual strengths, Inspection particle flow, Inspection tool, Inspection tools, Interactive, Interactive visualization, Kitchen table, Light inspection, Light inspection tools, Light path, Light path inspection, Light path tool, Light paths, Light probe, Light probes, Light propagates, Light source, Light sources, Light transport, Light transport matrices, Lighting designers, Lighting phenomena, Marcel reinhard, Material interaction, Modeling, Particle tool, Particular interest, Photon, Photon mapping, Photon mapping framework, Photon shooting, Plenoptic function, Possible direction, Previous ones, Probe, Proc, Professional modeling artists, Progressive photon mapping, Recent work, Reception desk, Reiner, Same time, Selection mechanism, Selective inspection, Several subjects, Siggraph, Siggraph asia, Signal deformation, Specular, Spherical plot light path inspection, Spherical plot tool, Spherical plots, Surface irradiance, User, User interface, User study, Various application scenarios, Virtual scenes, Virtual scenes figure, Virtual scenes task, Visualization, Visualization techniques, Volumetric, Volumetric inspection, Volumetric inspection tool.
Abstract
This paper presents novel interactive visualization techniques for inspecting the global light transport in virtual scenes. First, we propose a simple extension to photon mapping to gather required lighting information. We then introduce a set of five light inspection tools which process this data to provide further insights. Corresponding visualizations help the user to comprehend how light travels within a scene, how the lighting affects the appearance of a surface, and how objects cause lighting effects such as caustics. We implemented all tools for direct usage in real production environments. Rendering is based on progressive photon mapping, providing interactivity and immediate visual feedback. We conducted a user study to evaluate all techniques in various application scenarios and hence discuss their individual strengths and weaknesses. Moreover, we present feedback from domain experts.
Url:
DOI: 10.1111/j.1467-8659.2012.03050.x
Affiliations:
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paths</term><term>Light probe</term><term>Light probes</term><term>Light propagates</term><term>Light source</term><term>Light sources</term><term>Light transport</term><term>Light transport matrices</term><term>Lighting designers</term><term>Lighting phenomena</term><term>Marcel reinhard</term><term>Material interaction</term><term>Modeling</term><term>Particle tool</term><term>Particular interest</term><term>Photon</term><term>Photon mapping</term><term>Photon mapping framework</term><term>Photon shooting</term><term>Plenoptic function</term><term>Possible direction</term><term>Previous ones</term><term>Probe</term><term>Proc</term><term>Professional modeling artists</term><term>Progressive photon mapping</term><term>Recent work</term><term>Reception desk</term><term>Reiner</term><term>Same time</term><term>Selection mechanism</term><term>Selective inspection</term><term>Several subjects</term><term>Siggraph</term><term>Siggraph asia</term><term>Signal deformation</term><term>Specular</term><term>Spherical plot light path inspection</term><term>Spherical plot tool</term><term>Spherical plots</term><term>Surface irradiance</term><term>User</term><term>User interface</term><term>User study</term><term>Various application scenarios</term><term>Virtual scenes</term><term>Virtual scenes figure</term><term>Virtual scenes task</term><term>Visualization</term><term>Visualization techniques</term><term>Volumetric</term><term>Volumetric inspection</term><term>Volumetric inspection tool</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This paper presents novel interactive visualization techniques for inspecting the global light transport in virtual scenes. First, we propose a simple extension to photon mapping to gather required lighting information. We then introduce a set of five light inspection tools which process this data to provide further insights. Corresponding visualizations help the user to comprehend how light travels within a scene, how the lighting affects the appearance of a surface, and how objects cause lighting effects such as caustics. We implemented all tools for direct usage in real production environments. Rendering is based on progressive photon mapping, providing interactivity and immediate visual feedback. We conducted a user study to evaluate all techniques in various application scenarios and hence discuss their individual strengths and weaknesses. Moreover, we present feedback from domain experts.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Dachsbacher, Carsten" sort="Dachsbacher, Carsten" uniqKey="Dachsbacher C" first="Carsten" last="Dachsbacher">Carsten Dachsbacher</name><name sortKey="Kaplanyan, Anton" sort="Kaplanyan, Anton" uniqKey="Kaplanyan A" first="Anton" last="Kaplanyan">Anton Kaplanyan</name><name sortKey="Reiner, Tim" sort="Reiner, Tim" uniqKey="Reiner T" first="Tim" last="Reiner">Tim Reiner</name><name sortKey="Reinhard, Marcel" sort="Reinhard, Marcel" uniqKey="Reinhard M" first="Marcel" last="Reinhard">Marcel Reinhard</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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