Graphics system melds real and virtual light

  June 23/30, 2008
One of the biggest challenges in blending real and computer-generated images in real-time is getting the lighting right. A computer graphics system that repeatedly maps the light field around real objects and projects the light field around virtual objects onto the real objects makes it easier to have real objects reflect and cast shadows onto virtual objects and vice versa.

The system could boost the realism of virtual reality and augmented reality systems that let people see real and virtual objects at the same time.

Research paper:
Light Field Transfer: Global Illumination Between Real and Synthetic Objects
SIGGRAPH 2008, Los Angeles, August 11-15, 2008

Researchers' homepages:
Oliver Cossairt
Shree Nayar
Ravi Ramamoorthi

Related stories and briefs:
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VR accommodates reality

Back to TRN June 23/30, 2008

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