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66
Voted
DM
2010
14 years 9 months ago
2010
Let H 2V be a hypergraph on vertex set V . For a positive integer r, we call H r-exact, if any minimal transversal of H intersects any hyperedge of H in at most r vertices. This ...
99
Voted
CVPR
2012
IEEE
12 years 12 months ago
2012
IEEE
Recovering 3D geometry from a single 2D line drawing is an important and challenging problem in computer vision. It has wide applications in interactive 3D modeling from images, c...
COMPGEOM
2001
ACM
15 years 1 months ago
2001
ACM
This paper addresses the problem of lossy compression of arrangements. Given an arrangement of n lines in the plane, we show how to construct another arrangement consisting of man...
CVPR
2001
IEEE
15 years 11 months ago
2001
IEEE
An imaging system with a single effective viewpoint is called a central projection system. The conventional perspective camera is an example of a central projection system. System...
DGCI
1997
Springer
15 years 1 months ago
1997
Springer
A new classification of digital curves into boundary curves and visual curves of different thickness is suggested. A fast algorithm for recognizing digital straight line segments i...