Combining Confocal Imaging and Descattering
Christian Fuchs, Michael Heinz, Marc Levoy, Hans-Peter Seidel, Hendrik P. A. Lensch
In Computer Graphics Forum, 27(4), 2008.
Abstract: In translucent objects, light paths are affected by multiple scattering, which is polluting any observation. Confocal imaging reduces the influence of such global illumination effects by carefully focusing illumination and viewing rays from a large aperture to a specific location within the object volume. The selected light paths still contain some global scattering contributions, though. Descattering based on high frequency illumination serves the same purpose. It removes the global component from observed light paths. We demonstrate that confocal imaging and descattering are orthogonal and propose a novel descattering protocol that analyzes the light transport in a neighborhood of light transport paths. In combination with confocal imaging, our descattering method achieves optical sectioning in translucent media with higher contrast and better resolution.
@article{Fuchs:2008:CCI,
author = {Christian Fuchs and Michael Heinz and Marc Levoy and Hans-Peter Seidel and Hendrik P. A. Lensch},
title = {Combining Confocal Imaging and Descattering},
journal = {Computer Graphics Forum},
volume = {27},
number = {4},
pages = {1245--1253},
year = {2008},
}
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