Rendering of subsurface scattering effects in translucent...

Details Rendering of subsurface scattering effects in translucent... Rendering of subsurface scattering effects in translucent...

G - Physics

06

T

G06T 15/50 (2011.01) G06T 15/06 (2011.01)

Patent

CA 2660194

Embodiments are directed to modifying an existing scheme for providing translucent illumination in order to take account of subsurface scattering. The color of a selected point of a translucent object can be determined using existing methods. The existing methods need not take subsurface scattering into account. Then, a contribution to the color at the selected point due to subsurface scattering may be calculated. The contribution due to subsurface scattering may be calculated based on a photon map. Embodiments of the invention also include the use of different types of photon maps. In some embodiments, a standard photon map may be used. In other embodiments, a photon map may be defined in a manner similar to a depth map. Thus, the entries of a photon map may be defined in terms of an angle from a light source and a distance between an object's surface and a light source.

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