Publication
Ray Tracing in Non-Constant Media
AbstractIn this paper, we explore the theory of optical deformations due to continuous variations of the refractive index of the air, and present several efficient implementations. We introduce the basic equations from geometrical optics, outlining a general method of solution. Further, we model the fluctuations of the index of refraction both as a superposition of blobs and as a stochastic function. Using a well known perturbation technique from geometrical optics, we compute linear approximations to the deformed rays. We employ this approximation and the blob representation to efficiently ray trace non linear rays through multiple environments. In addition we present a stochastic model for the ray deviations derived from an empirical model of air turbulence. We use this stochastic model to precompute deformation maps.
Download publicationRelated Resources
See what’s new.
2023
Connect with our Research Connections Speaker SeriesLearn about situationally aware robots for construction applications…
1991
A Multi-Scale Stochastic Modelling Primitive for Computer GraphicsStochastic modelling has been successfully used in computer graphics…
2010
Towards the Photonic Nose: A Novel Platform for Molecule and Bacteria Identification“Smelling” chemicals and bacteria by using structural color: the…
Get in touch
Something pique your interest? Get in touch if you’d like to learn more about Autodesk Research, our projects, people, and potential collaboration opportunities.
Contact us