An ambient light illumination model

S Zhukov, A Iones, G Kronin - … of the Eurographics Workshop in Vienna …, 1998 - Springer
… We simulate indirect illumination by a direct illumination of a specific distributed ambient
light … Clearly, the more the visible gas volume is from a given patch A, the more this patch is …

Ambient illumination and the determination of material changes

R Gershon, AD Jepson, JK Tsotsos - JOSA A, 1986 - opg.optica.org
… the ambient illumination cannot be assumed to have the same spectral characteristics as the
incident illumination… the spectral properties of the ambient illumination in order to develop a …

About the influence of illumination models on image comprehension in direct volume rendering

F Lindemann, T Ropinski - IEEE Transactions on Visualization …, 2011 - ieeexplore.ieee.org
volume illumination techniques which we implemented and tested. The renderings of a CT
scan of a human body differ only with respect to the illuminationambient occlusion in volume

Adaptive illumination sampling for direct volume rendering

V Kraft, F Link, A Schenk, C Schumann - Advances in Computer Graphics …, 2020 - Springer
… While for rather homogeneous areas the exact position is less important, it is crucial to
evaluate the illumination - in particular ambient occlusion - close to the surface of solid structures, …

A survey of volumetric illumination techniques for interactive volume rendering

D Jönsson, E Sundén, A Ynnerman… - Computer Graphics …, 2014 - Wiley Online Library
… Since several algorithms focus on ambient visibility computation, we consider also an
ambient light source which is omnidirectional and homogeneous. As some algorithms are bound …

Making the switch from task illumination to ambient illumination standards: principles and practicalities, including energy implications

C Cuttle - Lighting Research & Technology, 2020 - journals.sagepub.com
… -dimensional illumination properties within the volume of an … for ambient illumination and
for the illumination efficiency … adequacy of illumination (PAI), and for the illumination hierarchy …

Ambient illumination revisited: A new adaptation‐based approach for optimizing medical imaging reading environments

AS Chawla, E Samei - Medical physics, 2007 - Wiley Online Library
… compensate for the varying amount of ambient lighting and associated viewing conditions. …
of ambient light during calibration. This enabled a rethinking of the ambient illumination setup …

Ambient lighting: effect of illumination on soft-copy viewing of radiographs of the wrist

PC Brennan, M McEntee, M Evanoff… - American Journal of …, 2007 - Am Roentgen Ray Soc
… The aim of the work was to establish optimum ambient light … reduced efficacy at this low
illumination is not clear from the … watching of television without ambient lighting or stargazing on a …

Lighthouse: Predicting lighting volumes for spatially-coherent illumination

PP Srinivasan, B Mildenhall, M Tancik… - Proceedings of the …, 2020 - openaccess.thecvf.com
… of light sources in 3D, along with an ambient light color. This ensures spatially-… volume
V c, we estimate the illumination incident at any 3D location by using standard RGBα volume

A model for volume lighting and modeling

J Kniss, S Premoze, C Hansen, P Shirley… - IEEE transactions on …, 2003 - ieeexplore.ieee.org
… This volume shading model assumes external illumination from a point light source that arrives
at each sample unimpeded by the intervening volume… generated without ambient lighting. …