202 search results - page 16 / 41 » Opacity Shadow Maps |
EUROGRAPHICS
2010
Eurographics
13 years 8 months ago
2010
Eurographics
We present a new method suitable for general purpose graphics processing units to render self-shadows on dynamic height fields under dynamic light environments in real-time. Visib...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
We explore the use of clouds as a form of structured lighting to capture the 3D structure of outdoor scenes observed over time from a static camera. We derive two cues that relate ...
ACCV
2007
Springer
14 years 1 months ago
2007
Springer
We present a simple and practical approach for segmenting un-occluded items in a scene by actively casting shadows. By ’items’, we refer to objects (or part of objects) enclose...
ECCV
2004
Springer
14 years 1 months ago
2004
Springer
—Cast shadows can be significant in many computer vision applications, such as lighting-insensitive recognition and surface reconstruction. Nevertheless, most algorithms neglect ...
CVPR
2010
IEEE
13 years 12 months ago
2010
IEEE
In this paper we derive formal constraints relating terrain elevation and observed cast shadows. We show how an optimisation framework can be used to refine surface estimates usin...