39 search results - page 4 / 8 » Visibility map for global illumination in point clouds |
101
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ICMCS
2009
IEEE
14 years 7 months ago
2009
IEEE
This paper addresses the problem of complete and detailed 3D model reconstruction of objects filmed by multiple cameras under varying illumination. Firstly, initial normal maps ar...
90
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PG
2007
IEEE
15 years 3 months ago
2007
IEEE
A fundamental challenge for existing shadow map based algorithms is dealing with partially illuminated surfaces. A conventional shadow map built with a pinhole camera only determi...
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
We present a novel method to reconstruct the 3D shape of a scene from several calibrated images. Our motivation is that most existing multi-view stereovision approaches require so...
SMA
2008
ACM
14 years 9 months ago
2008
ACM
In this paper, we present a new visibility-based feature extraction algorithm from discrete models as dense point clouds resulting from laser scans. Based on the observation that ...
81
Voted
ICARCV
2006
IEEE
15 years 3 months ago
2006
IEEE
– This paper presents a localization strategy for vehicles in urban environments by mapping and updating natural landmarks provided by a 2D ladar (laser range scanner) when GPS d...