44 search results - page 1 / 9 » Can We Calibrate a Camera Using an Image of a Flat, Texturel... |
ECCV
2000
Springer
13 years 8 months ago
2000
Springer
Abstract. In this paper, we show that it is possible to calibrate a camera using just a flat, textureless Lambertian surface and constant illumination. This is done using the effec...
ICCV
2005
IEEE
14 years 6 months ago
2005
IEEE
Lambertian photometric stereo with unknown light source parameters is ambiguous. Provided that the object imaged constitutes a surface, the ambiguity is represented by the group o...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
—Multipath interference is inherent to the working principle of a Time-of-flight camera and can influence the measurements by several centimeters. Especially in applications th...
BMVC
2010
13 years 2 months ago
2010
Accurate intrinsic camera calibration is essential to any computer vision task that involves image based measurements. Given its crucial role with respect to precision, a large nu...
CVPR
2000
IEEE
14 years 6 months ago
2000
IEEE
We presen t a multiview method for the computation of object shape and re ectance characteristics based on the integration of shape from shading (SFS) and stereo, for nonconstan t...