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View all- Weinmann MKlein R(2015)Advances in geometry and reflectance acquisition (course notes)SIGGRAPH Asia 2015 Courses10.1145/2818143.2818165(1-71)Online publication date: 2-Nov-2015
Hemispherical confocal imaging using turtleback reflector
Abstract
We propose a new imaging method called hemispherical confocal imaging to clearly visualize a particular depth in a 3-D scene. The key optical component is a turtleback reflector which is a specially designed polyhedral mirror. By combining the turtleback reflector with a coaxial pair of a camera and a projector, many virtual cameras and projectors are produced on a hemisphere with uniform density to synthesize a hemispherical aperture. In such an optical device, high frequency illumination can be focused at a particular depth in the scene to visualize only the depth with descattering. Then, the observed views are factorized into masking, attenuation, and texture terms to enhance visualization when obstacles are present. Experiments using a prototype system show that only the particular depth is effectively illuminated and hazes by scattering and attenuation can be recovered even when obstacles exist.
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- NEXTWINDOW: NextWindow - Touch-Screen Technology
- Asian Federation of Computer Vision
- AREOGRAPH: Areograph - Interactive Computer Graphics
- NICTA: National Information and Communications Technology Australia
- Microsoft Research Asia
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Published: 08 November 2010
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View all- Weinmann MKlein R(2015)Advances in geometry and reflectance acquisition (course notes)SIGGRAPH Asia 2015 Courses10.1145/2818143.2818165(1-71)Online publication date: 2-Nov-2015