29 search results - page 5 / 6 » sibgrapi 2000 |
SIBGRAPI
2000
IEEE
13 years 10 months ago
2000
IEEE
This paper presents a simple and robust algorithm for estimating the local geometric properties of intersection curves, namely the tangent, normal, binormal, curvature and torsion ...
SIBGRAPI
2000
IEEE
13 years 9 months ago
2000
IEEE
Abstract. In this paper we introduce a new mesh refinement method for subdivision surfaces. It generates a semiregular 4-direction hierarchical structure from control meshes repres...
SIBGRAPI
2000
IEEE
13 years 10 months ago
2000
IEEE
This work presents results on axonal arborization identification in cell culture of neurons from Helix aspersa with the use of the directional image method. We implemented the algo...
SIBGRAPI
2000
IEEE
13 years 9 months ago
2000
IEEE
Edge detection and image segmentation algorithms usually operate on an image to extract geometrical information based on pixel colors. For ray-traced images, the presence of geomet...
SIBGRAPI
2000
IEEE
13 years 10 months ago
2000
IEEE
This article deals with a new segmentation approach applied to unconstrained handwritten digits. The novelty of the proposed algorithm is based on the combination of two types of s...