Sciweavers

SIBGRAPI
2008
IEEE
14 years 6 months ago
Using Multi-agent Systems for Sampling and Rendering Implicit Surfaces
In this paper a Multi-Agent System for Sampling and Rendering Implicit Surfaces is presented (MASSRIS). Previous approaches to pen-and-ink style renderings of implicit surfaces we...
Pauline Jepp, Jörg Denzinger, Brian Wyvill, M...
SIBGRAPI
2008
IEEE
14 years 6 months ago
Shape Aware Deformation Using a Skeleton-Guided Scheme
Alvaro Cuno, Claudio Esperança, Antonio A. ...
SIBGRAPI
2008
IEEE
14 years 6 months ago
Simulation and Rendering of Opus Palladium 3D Mosaics
Mosaic sculptures are a form of art where the sculpture is made from a collection of individual elements called tiles which are distributed over the surface of a given 3D shape. T...
Vladimir Alves dos Passos, Marcelo Walter
SIBGRAPI
2008
IEEE
14 years 6 months ago
Projective Estimators for Point/Tangent Representations of Planar Curves
Recognizing shapes in multiview imaging is still a challenging task, which usually relies on geometrical invariants estimations. However, very few geometric estimators that are pro...
Thomas Lewiner, Marcos Craizer
SIBGRAPI
2008
IEEE
14 years 6 months ago
A Genetic Programming Approach for Relevance Feedback in Region-Based Image Retrieval Systems
This paper presents a new relevance feedback method for content-based image retrieval using local image features. This method adopts a genetic programming approach to learn user p...
Jefersson Alex dos Santos, Cristiano D. Ferreira, ...
SIBGRAPI
2008
IEEE
14 years 6 months ago
A New Training Algorithm for Pattern Recognition Technique Based on Straight Line Segments
Recently, a new Pattern Recognition technique based on straight line segments (SLSs) was presented. The key issue in this new technique is to find a function based on distances b...
João Henrique Burckas Ribeiro, Ronaldo Fumi...
SIBGRAPI
2008
IEEE
14 years 6 months ago
Synchronizing Video Cameras with Non-overlapping Fields of View
This paper describes a method to estimate the temporal alignment between N unsynchronized video sequences captured by cameras with non-overlapping fields of view. The sequences a...
Darlan N. Brito, Flávio L. C. Pádua,...
SIBGRAPI
2008
IEEE
14 years 6 months ago
PCA-Based 3D Face Photography
This paper presents a 3D face photography system based on a small set of training facial range images. The training set is composed by 2D texture and 3D range images (i.e. geometr...
Jesus P. Mena-Chalco, Ives Macedo, Luiz Velho, Rob...
SIBGRAPI
2008
IEEE
14 years 6 months ago
Approximations by Smooth Transitions in Binary Space Partitions
This work proposes a simple approximation scheme for discrete data that leads to an infinitely smooth result without global optimization. It combines the flexibility of Binary Sp...
Marcos Lage, Alex Laier Bordignon, Fabiano Petrone...
SIBGRAPI
2008
IEEE
14 years 6 months ago
Color Descriptors for Web Image Retrieval: A Comparative Study
This paper presents a comparative study of color descriptors for content-based image retrieval on the Web. Several image descriptors were compared theoretically and the most relev...
Otávio Augusto Bizetto Penatti, Ricardo da ...