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CGF
2008
124views more  CGF 2008»
13 years 9 months ago
Fast Soft Self-Shadowing on Dynamic Height Fields
We present a new, real-time method for rendering soft shadows from large light sources or lighting environments on dynamic height fields. The method first computes a horizon map f...
John Snyder, Derek Nowrouzezahrai
TOG
2008
139views more  TOG 2008»
13 years 9 months ago
Shield fields: modeling and capturing 3D occluders
We describe a unified representation of occluders in light transport and photography using shield fields: the 4D attenuation function which acts on any light field incident on an ...
Douglas Lanman, Ramesh Raskar, Amit K. Agrawal, Ga...
CVPR
2012
IEEE
12 years 3 days ago
Photometric stereo for outdoor webcams
We present a photometric stereo technique that operates on time-lapse sequences captured by static outdoor webcams over the course of several months. Outdoor webcams produce a lar...
Jens Ackermann, Fabian Langguth, Simon Fuhrmann, M...
ACCV
2007
Springer
13 years 11 months ago
Embedding a Region Merging Prior in Level Set Vector-Valued Image Segmentation
In the scope of level set image segmentation, the number of regions is fixed beforehand. This number occurs as a constant in the objective functional and its optimization. In this...
Ismail Ben Ayed, Amar Mitiche
TLCA
2005
Springer
14 years 3 months ago
Can Proofs Be Animated By Games?
Proof animation is a way of executing proofs to nd errors in the formalization of proofs. It is intended to be \testing in proof engineering". Although the realizability inter...
Susumu Hayashi