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16th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2003) (2003)
S?o Carlos, Brazil
Oct. 12, 2003 to Oct. 15, 2003
ISSN: 1530-1834
ISBN: 0-7695-2032-4
TABLE OF CONTENTS
Introduction

Preface (PDF)

pp. ix

Reviewers (PDF)

pp. xiii
Geometric Modeling 1

An Approximation for Normal Vectors of Deformable Models (Abstract)

Shin-Ting Wu , State University of Campinas
Vanio Fragoso de Melo , State University of Campinas and Federal University of Campina Grande
pp. 3

Moving Least Squares Multiresolution Surface Approximation (Abstract)

Boris Mederos , Instituto de Matemática Pura e Aplicada
Luiz Velho , Instituto de Matemática Pura e Aplicada
Luiz Henrique de Figueiredo , Instituto de Matemática Pura e Aplicada
pp. 19

Fast Stellar Mesh Simplification (Abstract)

Antônio W. Vieira , PUC-Rio and UNIMONTES
Luiz Velho , IMPA
Hélio Lopes , PUC-Rio
Geovan Tavares , PUC-Rio
Thomas Lewiner , PUC-Rio and INRIA
pp. 27

Reliable Algorithms for Ray Intersection in Computer Graphics Based on Interval Arithmetic (Abstract)

J.F. Sanjuan-Estrada , University of Almería
L.G. Casado , University of Almería
I. García , University of Almería
pp. 35
Geometric Modeling 2

A Topological Framework for Advancing Front Triangulation (Abstract)

Esdras Medeiros , Instituto de Matemática Pura e Aplicada
Luiz Velho , Instituto de Matemática Pura e Aplicada
Hélio Lopes , Pontifícia Universidade Católica do Rio de Janeiro
pp. 45

Reconstruction Using Surface Dedicated Tensorial Fields (Abstract)

Marcelo Bernardes Vieira , Instituto de Matemática Pura e Aplicada
Matthieu Cord , Ecole Nationale Supérieure déElectronique et de ses Applications
Paulo P. Martins Jr. , Centro Tecnológico de Minas Gerais
Sylvie Philipp-Foliguet , Ecole Nationale Supérieure déElectronique et de ses Applications
Arnaldo de A. Araújo , Universidade Federal de Minas Gerais
pp. 52

A Non-Self-Intersection Douglas-Peucker Algorithm (Abstract)

Shin-Ting Wu , State University of Campinas
Mercedes Rocío Gonzales Márquez , State University of Campinas
pp. 60

The Language LinF for Fractal Specification (Abstract)

Fernando M. Q. Pereira , Universidade Federal de Minas Gerais
Leonardo T. Rolla , Universidade Federal de Minas Gerais
Cristiano G. Rezende , Universidade Federal de Minas Gerais
Rodrigo L. Carceroni , Universidade Federal de Minas Gerais
pp. 67

Creating and Editing Curves on Subdivision Surfaces (Abstract)

Jörn Loviscach , Hochschule Bremen
Henning Thöle , Hochschule Bremerhaven
pp. 75
Rendering and Simulation

Graphic Simulation for Virtual Prototyping with JAVA3D (Abstract)

João E. Kögler , SENAC and Escola Politécnica da USP
pp. 83

A Rules-Based Model Used to Describe Group Dynamics for Games (Abstract)

Marta Becker Villamil , Universidade do Vale Rio dos Sinos
Adriana Braun , Universidade do Vale Rio dos Sinos
Soraia Raupp Musse , Universidade do Vale Rio dos Sinos
pp. 91

RZSweep: A New Hardware-Assisted Volume-Rendering Technique for Regular Datasets (Abstract)

Gautam Chaudhary , University of California at Irvine
Lakshmy Ramaswamy , University of California at Irvine
Ricardo Farias , National Laboratory for Scientific Computing
pp. 99

Work Distribution for Parallel ZSweep Algorithm (Abstract)

Ricardo Farias , National Laboratory for Scientific Computing
Cristiana Bentes , State University of Rio de Janeiro
Alexandre Coelha , State University of Rio de Janeiro
Sergio Guedes , Federal University of Rio de Janeiro
Luiz Gonçalves , Federal University of Rio Grande do Norte
pp. 107
Intersection and Visualization

Frequency Plot and Relevance Plot to Enhance Visual Data Exploration (Abstract)

Jos? Fernando Rodrigues Jr. , University of Sao Paulo at Sao Carlos
Agma J. M. Traina , University of Sao Paulo at Sao Carlos
Caetano Traina Jr. , University of Sao Paulo at Sao Carlos
pp. 117

A Sketch-Based Collaborative Design System (Abstract)

Zhe Fan , State University of New York at Stony Brook
Ma Chi , State University of New York at Stony Brook
pp. 125

An Interaction Model for Scientific Visualization Using Sound (Abstract)

Veridiana Christie Lucas Salvador , Universidade de São Paulo
Rosane Minghim , Universidade de São Paulo
pp. 132

Picking and Snapping for 3D Input Devices (Abstract)

Shin-Ting Wu , State University of Campinas
Marcel Abrantes , State University of Campinas
Daniel Tost , State University of Campinas
Harlen Costa Batagelo , State University of Campinas
pp. 140
Image Retrieval and Image Coloring

Automatically Choosing Source Color Images for Coloring Grayscale Images (Abstract)

Luiz Filipe M. Vieira , Universidade Federal de Minas Gerais
Rafael D. Vilela , Universidade Federal de Minas Gerais
Erickson R. do Nascimento , Universidade Federal de Minas Gerais
Fernando A. Fernandes Jr. , Universidade Federal de Minas Gerais
Rodrigo L. Carceroni , Universidade Federal de Minas Gerais
Arnaldo de A. Araújo , Universidade Federal de Minas Gerais
pp. 151

Effective Image Retrieval by Shape Saliences (Abstract)

Ricardo S. Torres , University of Campinas
Eduardo M. Picado , University of Campinas
Alexandre X. Falcão , University of Campinas
Luciano F. Costa , University of São Paulo
pp. 167

Exploration and Search-by-Similarity in CBIR (Abstract)

Matthieu Cord , University of Cergy-Pontoise
Jérome Fournier , University of Cergy-Pontoise
Sylvie Philipp-Foliguet , University of Cergy-Pontoise
pp. 175

Using Efficient Visual Exploration Techniques to Evaluate Features for Content-Based Image Retrieval (Abstract)

Jos? Fernando Rodrigues Jr. , University of Sao Paulo at Sao Carlos
C?sar A. B. Casta? , University of Sao Paulo at Sao Carlos
Caetano Traina Jr. , University of Sao Paulo at Sao Carlos
Agma J. M. Traina , University of Sao Paulo at Sao Carlos
pp. 183

An Image Retrieval Method Based on Factor Analysis (Abstract)

Alexei Manso Correa Machado , Pontifícia Universidade Católica de Minas Gerais
Celina N. J. Marinho , Universidade Federal de Minas Gerais
Mário Fernando Montenegro Campos , Universidade Federal de Minas Gerais
pp. 191
Image Processing and Analysis

Secure Authentication Watermarking for Binary Images (Abstract)

Hae Yong Kim , Universidade de S?o Paulo
Amir Afif , Universidade de S?o Paulo
pp. 199

Image Morphing Applied to 3D Reconstruction of Coronal Loops (Abstract)

Lilian N. Faria , Universidade Federal de S?o Carlos
Nelson D. A. Mascarenhas , Universidade Federal de S?o Carlos
Célio E. Mor? , Universidade Federal de S?o Carlos
Reinaldo R. Rosa , Instituto Nacional de Pesquisas Espaciais
Hanumant S. Sawant , Instituto Nacional de Pesquisas Espaciais
pp. 207

Informed Embedding for Multibit Watermarking (Abstract)

Rafael Araújo Silva , Federal University of Santa Catarina
Joceli Mayer , Federal University of Santa Catarina
pp. 214

Corresponding Geometric Distorted Images Using an Uncertainty Inference Method (Abstract)

José Demisio Simões da Silva , Instituto Nacional de Pesquisas Espaciais and Universidade Draz Cubas
Paulo Ouvera Simoni , Universidade Draz Cubas and Centro Universitário Salesiano de São Paulo
pp. 230
Segmentation

2-D Histogram-Based Segmentation of Postal Envelopes (Abstract)

Eduardo Akira Yonekura , Pontifícia Universidade Católica do Paraná
Jacques Facon , Pontifícia Universidade Católica do Paraná
pp. 247

Automatic Shadow Segmentation in Aerial Color Images (Abstract)

Airton M. Polidorio , Universidade Estadual de Maring?
F. C. Flores , Universidade Estadual de Maring?
Nilton N. Imai , FCT/UNESP
Clélia Franco , Universidade Estadual de Maring?
pp. 270

Multiscale Image Segmentation Using Wavelets and Watersheds (Abstract)

Cláudio Rosito Jung , Universidade do Vale do Rio dos Sinos
pp. 278
Computer Vision and Pattern Recognition

Image Inpainting and Denoising by Nonlinear Partial Differential Equations (Abstract)

Celia A. Zorzo Barcelos , Universidade Federal de Uberlândia and Universidade Federal de Goiás
Marcos Aurélio Batista , Universidade Federal de Uberlândia
pp. 287

A Novel Photometric Motion Approach (Abstract)

José R.A. Torreão , Pontifícia Universidade Católica do Paraná
João L. Fernandes , Universidade Federal Fluminense
Helena C.G. Leitão , Universidade Federal Fluminense
pp. 294

Evaluating the Conventional and Class-Modular Architectures Feedforward Neural Network for Handwritten Word Recognition (Abstract)

Marcelo N. Kapp , Pontif?cia Universidade Cat?lica do Paran?
Cinthia O. De A. Freitas , Pontif?cia Universidade Cat?lica do Paran?
Júlio C. Nievola , Pontif?cia Universidade Cat?lica do Paran?
Robert Sabourin , ?cole de Technologie Sup?rieure
pp. 315
Video and Motion

Semi-Automatic Hysteroscopic Video Summarization (Abstract)

Wilson Gavião , Universidade Federal do Rio Grande do Sul
Jacob Scharcanski , Universidade Federal do Rio Grande do Sul
João Sabino Cunha Filho , Universidade Federal do Rio Grande do Sul
pp. 323

Regularized Pel-Recursive Motion Estimation Using Generalized Cross-Validation and Spatial Adaptation (Abstract)

Vania Estrela , Universidade Estadual do Norte Fluminense
Lu?s A. Rivera , Universidade Estadual do Norte Fluminense
Paulo C. Beggio , Universidade Estadual do Norte Fluminense
pp. 331

Video Transition Detection Using String Matching: Preliminary Results (Abstract)

Francisco Nivando Bezerra , Universidade de Fortaleza
Neucimar Jerônimo Leite , Universidade Estadual de Campinas
pp. 339
Biomedical Image Processing

Helical CT Reconstruction from Wide Cone-Beam Angle Data Using ART (Abstract)

Bruno M. Carvalho , City University of New York
Gabor T. Herman , City University of New York
pp. 363

Segmentation of Images of Yeast Cells by Scale-Space Analysis (Abstract)

Michel Couprie , A<sup>2</sup>SI - ESIEE - Cité Descartes
pp. 376
Biometrics

Image Feature Extraction for Application of Biometric Identification of Iris - A Morphological Approach (Abstract)

Joaquim de Mira Jr. , Technological Education Federal Center of Paran?
Joceli Mayer , Federal University of Santa Catarina
pp. 391

Visual Speech Recognition: A Solution from Feature Extraction to Words Classification (Abstract)

Jacques Facon , Pontifical Catholic University of Parana
Díbio Leandro Borges , Pontifical Catholic University of Parana
pp. 399
Author Index

Author Index (PDF)

pp. 413
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