SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
The RADIANCE lighting simulation and rendering system
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Optimally combining sampling techniques for Monte Carlo rendering
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Global illumination using photon maps
Proceedings of the eurographics workshop on Rendering techniques '96
Rendering with radiance: the art and science of lighting visualization
Rendering with radiance: the art and science of lighting visualization
An improved illumination model for shaded display
Communications of the ACM
Realistic visualisation of the Pompeii frescoes
AFRIGRAPH '01 Proceedings of the 1st international conference on Computer graphics, virtual reality and visualisation
Advanced Global Illumination
High fidelity reconstruction of the ancient Egyptian temple of Kalabsha
AFRIGRAPH '04 Proceedings of the 3rd international conference on Computer graphics, virtual reality, visualisation and interaction in Africa
Enhanced illumination of reconstructed dynamic environments using a real-time flame model
AFRIGRAPH '06 Proceedings of the 4th international conference on Computer graphics, virtual reality, visualisation and interaction in Africa
Caustic spot light for rendering caustics
The Visual Computer: International Journal of Computer Graphics
ACM SIGGRAPH Asia 2008 papers
High dynamic range display of authentically illuminated Byzantine art from cyprus
VAST'07 Proceedings of the 8th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Accurate modelling of Roman lamps in conimbriga using high dynamic range
VAST'08 Proceedings of the 9th International conference on Virtual Reality, Archaeology and Cultural Heritage
High dynamic range video for cultural heritage documentation and experimental archaeology
VAST'10 Proceedings of the 11th International conference on Virtual Reality, Archaeology and Cultural Heritage
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Early Islamic light sources are not simple, static, uniform points, and the fixtures themselves are often combinations of glass, water, fuel and flame. Various physically based renderers such as Radiance are widely used for modeling ancient architectural scenes; however they rarely capture the true ambiance of the environment due to subtle lighting effects. Specifically, these renderers often fail to correctly model complex caustics produced by glass fixtures, water level, and fuel sources. While the original fixtures of the 8th through 10th century Mosque of Cordoba in Spain have not survived, we have applied information gathered from earlier and contemporary sites and artifacts, including those from Byzantium, to assume that it was illuminated by either single jar lamps or supported by polycandela that cast unique downward caustic lighting patterns which helped individuals to navigate and to read. To re-synthesize such lighting, we gathered experimental archaeological data and investigated and validated how various water levels and glass fixture shapes, likely used during early Islamic times, changed the overall light patterns and downward caustics. In this paper, we propose a technique called Caustic Cones, a novel data-driven method to "shape" the light emanating from the lamps to better recreate the downward lighting without resorting to computationally expensive photon mapping renderers.Additionally, we demonstrate on a rendering of the Mosque of Cordoba how our approach greatly benefits archaeologists and architectural historians by providing a more authentic visual simulation of early Islamic glass lamp lighting.