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SIBGRAPI
2003
IEEE
9 years 9 months ago
Picking and Snapping for 3D Input Devices
A picking mechanism (pointing and indicating) with the cursor is essential for any direct-manipulation application. The windowing systems, under which control a direct-manipulation...
Shin-Ting Wu, Marcel Abrantes, Daniel Tost, Harlen...
SIBGRAPI
2003
IEEE
9 years 9 months ago
A Hole-Filling Strategy for Reconstruction of Smooth Surfaces in Range Images
Creating models of real scenes is a complex task for which the use of traditional modelling techniques is inappropriate. For this task, laser rangefinders are frequently used to s...
Jianning Wang, Manuel M. Oliveira
SIBGRAPI
2003
IEEE
9 years 9 months ago
Automatically Choosing Source Color Images for Coloring Grayscale Images
This paper introduces a methodology for adding color to grayscale images in a way that is completely automatic. Towards this goal, we build on a technique that was recently develo...
Luiz Filipe M. Vieira, Rafael D. Vilela, Erickson ...
SIBGRAPI
2003
IEEE
9 years 9 months ago
Fast Stellar Mesh Simplification
Antônio Wilson Vieira, Luiz Velho, Hé...
SIBGRAPI
2003
IEEE
9 years 9 months ago
Effective Image Retrieval by Shape Saliences
Content-Based Image Retrieval (CBIR) systems have been developed aiming at enabling users to search and retrieve images based on their properties such as shape, color and texture....
Ricardo da Silva Torres, Eduardo M. Picado, Alexan...
SIBGRAPI
2003
IEEE
9 years 9 months ago
Using Efficient Visual Exploration Techniques to Evaluate Features for Content-Based Image Retrieval
This paper presents a novel visual approach to evaluate, in a fast and effective way, the development of new image feature extraction techniques concerning content-based image ret...
José Fernando Rodrigues Jr., César A...
SIBGRAPI
2003
IEEE
9 years 9 months ago
Moving Least Squares Multiresolution Surface Approximation
We describe a new method for surface reconstruction based on unorganized point clouds without normals. We also present a new algorithm for refining the inital triangulation. The o...
Boris Mederos, Luiz Velho, Luiz Henrique de Figuei...
SIBGRAPI
2003
IEEE
9 years 9 months ago
A Topological Framework for Advancing Front Triangulation
In this paper we study advancing front methods for surface reconstruction. We propose a topological framework based on handlebody theory to implement such methods in a simple and r...
Esdras Soares de Medeiros Filho, Luiz Velho, H&eac...
SIBGRAPI
2003
IEEE
9 years 9 months ago
An Approximation for Normal Vectors of Deformable Models
A physically-based deformable model proposed by Terzopoulous et al. is governed by the Lagrange’s form, that establishes the relation between the dynamics of deformable models un...
Shin-Ting Wu, Vanio Fragoso de Melo
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