Per Einarsson

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We present an image-based approach for capturing the appearance of a walking or running person so they can be rendered realistically under variable viewpoint and illumination. In our approach, a person walks on a treadmill at a regular rate as a turntable slowly rotates the person's direction. As this happens, the person is filmed with a vertical array of(More)
We present a technique for capturing high-resolution 4D reflectance fields using the reciprocity property of light transport. In our technique we place the object inside a diffuse spherical shell and scan a laser across its surface. For each incident ray, the object scatters a pattern of light onto the inner surface of the sphere, and we photograph the(More)
We present a method that extends techniques in [Yu and Malik 1998] and [Debevec 1998] to estimate the surface colors of a complex scene with diffuse surfaces lit by natural outdoor illumination. Given a model of the scene’s geometry, a set of photographs of the scene taken under natural illumination, and corresponding measurements of the illumination, we(More)
A challenge with photometric stereo is the estimation of the light source position and of the radiant intensity at each pixel, which varies from pixel to pixel due to source anisotropy and changing distance from the source to the surface point. Hence, the technique has mostly been used in controlled laboratory settings. Recently [Malzbender et al. 2001;(More)
[1] GPS observations in south Iceland between 1994 and 2003 are compared with twodimensional elastic half-space and viscoelastic coupling models for two parallel rift zones, representing the Western and Eastern volcanic zones (WVZ, EVZ). GPS data from the Hreppar block, between the WVZ and EVZ, fit a rigid block model within uncertainties. Spreading rates(More)
Paul Debevec, Chris Tchou, Andrew Gardner, Tim Hawkins, Charis Poullis, Jessi Stumpfel, Andrew Jones, Nathaniel Yun, Per Einarsson, Therese Lundgren, Marcos Fajardo University of Southern California Email: debevec@ict.usc.edu, tchouster@gmail.com, androo.gardner@gmail.com, tim@lightstage.com, charalambos@poullis.org, jessi@cs.caltech.edu, jones@ict.usc.edu,(More)
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