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CGF
2002
187views more  CGF 2002»
13 years 7 months ago
Stylizing Silhouettes at Interactive Rates: From Silhouette Edges to Silhouette Strokes
A way to create effective stylized line drawings is to draw strokes that start and stop at visible portions along the silhouette of an object to be portrayed. In computer graphics...
Tobias Isenberg, Nick Halper, Thomas Strothotte
COMPGEOM
2010
ACM
14 years 19 days ago
Adding one edge to planar graphs makes crossing number hard
A graph is near-planar if it can be obtained from a planar graph by adding an edge. We show that it is NP-hard to compute the crossing number of near-planar graphs. The main idea ...
Sergio Cabello, Bojan Mohar

Source Code
1378views
12 years 3 months ago
gradient vector flow
Active contours, or snakes, are computer-generated curves that move within images to find object boundaries. Its 3D version is often known as deformable models or active surfaces ...

Tutorial
1113views
12 years 3 months ago
Snakes, Shapes, and Gradient vector flow
Active contours, or snakes, are computer-generated curves that move within images to find object boundaries. Its 3D version is often known as deformable models or active surfaces ...

Dataset
998views
12 years 3 months ago
Snakes, Shapes, and Gradient vector flow
Active contours, or snakes, are computer-generated curves that move within images to find object boundaries. Its 3D version is often known as deformable models or active surfaces ...