116 search results - page 2 / 24 » Control Camera and Light Source Positions using Image Gradie... |
CVPR
2005
IEEE
14 years 7 months ago
2005
IEEE
In this paper, we describe how camera parameters and light source orientation can be recovered from two perspective views of a scene given only two vertical lines and their cast s...
CVIU
2007
13 years 5 months ago
2007
In this paper, we describe a method for recovering camera parameters from perspective views of daylight shadows in a scene, given only minimal geometric information determined fro...
MVA
1994
13 years 6 months ago
1994
Amethod is developed to identifya taxiing airplane and measure its position correctly under various lighting and weather conditionsby inputting a moving image from an adaptively-co...
WSCG
2004
13 years 6 months ago
2004
Detecting faces in images with complex background is a difficult task. To solve this problem we decided to use modified gradient method with oval object detection. This method is ...
CGF
2008
13 years 5 months ago
2008
This paper presents methods for photo-realistic rendering using strongly spatially variant illumination captured from real scenes. The illumination is captured along arbitrary pat...