755 search results - page 16 / 151 » On the Removal of Shadows from Images |
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...
ACSC
2006
IEEE
14 years 1 months ago
2006
IEEE
Remotely-sensed images of the earth’s surface are used across a wide range of industries and applications including agriculture, mining, defence, geography and geology, to name ...
ECCV
2010
Springer
14 years 14 days ago
2010
Springer
Detecting shadows from images can significantly improve the performance of several vision tasks such as object detection and tracking. Recent approaches have mainly used illuminat...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
The problem of estimating an illumination distribution from images is called inverse lighting. For inverse lighting, three approaches have been developed based on specular reflect...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper introduces two kinds of free viewpoint observation systems for sporting events captured with uncalibrated multiple cameras in a stadium. In the first system (Viewpoint...