Differential Ray Marching

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dc.contributor.authorMuñoz, Adolfoen_US
dc.contributor.editorIsabel Navazo and Gustavo Patowen_US
dc.date.accessioned2013-11-08T10:18:23Z
dc.date.available2013-11-08T10:18:23Z
dc.date.issued2012en_US
dc.description.abstractSeveral participating media rendering algorithms are based on ray marching: they integrate the variations of radiance along the volume covered by the participating media by splitting the path of light into segments and sampling light contribution at each of those segments. This paper revisits the concept of ray marching not as an integration technique, but as the application of a numerical method to solve an initial value differential equation. We present how to apply different numerical methods as ray marching techniques, analyze a wide range of them and study their applicability under different scenarios. Furthermore, we show how each of them improves over traditional ray marching. Any participating media rendering algorithm that is based on ray marching will benefit from the application of our technique by reducing the number of needed samples (and therefore, rendering time) and/or increasing accuracy.en_US
dc.description.seriesinformationSpanish Computer Graphics Conferenceen_US
dc.identifier.isbn978-3-905673-92-0en_US
dc.identifier.urihttps://doi.org/10.2312/LocalChapterEvents/CEIG/CEIG12/091-098en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.7 [Computer Graphics]en_US
dc.subjectThree Dimensional Graphics and Realismen_US
dc.subjectColoren_US
dc.subjectshadingen_US
dc.subjectshadowingen_US
dc.subjectand textureen_US
dc.subjectI.3.7 [Computer Graphics]en_US
dc.subjectThree Dimensional Graphics and Realismen_US
dc.subjectRay tracingen_US
dc.titleDifferential Ray Marchingen_US
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