23 search results - page 4 / 5 » Edge Detection Error in the Discrete Laplacian of Gaussian |
ICCV
2009
IEEE
13 years 3 months ago
2009
IEEE
We present an algorithm that quickly and accurately estimates vanishing points in images of man-made environments. Contrary to previously proposed solutions, ours is neither itera...
TOG
2008
13 years 5 months ago
2008
eleton is a very useful 1D structure to abstract the geometry and topology of a 3D object. Extraction of curve-skeletons is a fundamental problem in computer graphics, visualizatio...
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
In this paper, we investigate the effect of substantial inter-image intensity changes and changes in modality on the performance of keypoint detection, description, and matching a...
PR
2008
13 years 5 months ago
2008
Due to distortion, noise, segmentation errors, overlap, and occlusion of objects in digital images, it is usually impossible to extract complete object contours or to segment the ...
SCALESPACE
1999
Springer
13 years 10 months ago
1999
Springer
In this paper we develop partial differential equations (PDEs) that model the generation of a large class of morphological filters, the levelings and the openings/closings by rec...