Shadow of Images

Tien-Tsin Wong, Pheng-Ann Heng, Siu-Hang Or and Wai-Yin Ng, "Shadow of Images", Technical Slide, SIGGRAPH'97.

Image

Description

A new image-based renderer allows changing the lighting setup of the image-based object. The image-based object is sampled under a single directional light source with unit intensity. However, other types of light sources can be used to illuminate the image-based object in the final rendered result. The left image shows an image-based object illuminated by a point light source, while the right one is illuminated by a directional light source. Note the difference in the shadow. All results are rendered from images instead of geometrical entities.

Hardware: SGI Indigo 2 with High Impact
Software: Experimental image-based renderer


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