391 search results - page 48 / 79 » On Performance Comparison of Real and Synthetic Iris Images |
ICCV
2005
IEEE
14 years 10 months ago
2005
IEEE
In this paper we develop a theory of non-parametric self-calibration. Recently, schemes have been devised for non-parametric laboratory calibration, but not for selfcalibration. W...
ECCV
2008
Springer
14 years 10 months ago
2008
Springer
Shadows are one of the most significant difficulties of the photometric stereo method. When four or more images are available, local surface orientation is overdetermined and the s...
CVIU
2007
13 years 8 months ago
2007
This paper describes a catadioptric microsensor for multidirectional imaging and 3D egomotion computation. Inspired by the wide viewing angle of insects’ compound eyes, we show ...
TIP
1998
13 years 7 months ago
1998
Accurate segmentation of images is one of the most important objectives in image analysis. The two conventional methods of image segmentation, region based segmentation and bounda...
PAMI
2011
13 years 3 months ago
2011
—Light occlusions are one of the most significant difficulties of photometric stereo methods. When three or more images are available without occlusion, the local surface orien...