2009 XXII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2009) Rio de Janiero, Brazil October 2009

Transcription

1 2009 XXII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2009) Rio de Janiero, Brazil October 2009 IEEE Catalog Number: ISBN: CFP09129-PRT

2 XXII Brazilian Symposium on Computer Graphics and Image Processing Preface Technical Program Committee Reviewers SIBGRAPI 2009 Table of Contents Modeling and Reconstruction Hermite Interpolation of Implicit Surfaces with Radial Basis Functions...1 Ives Macêdo, João Paulo Gois, and Luiz Velho Scale-Space for Union of 3D Balls...9 Alex Bordignon, Betina Vath, Thales Vieira, Marcos Craizer, Thomas Lewiner, and Cynthia O.L. Ferreira Legolizer: A Real-Time System for Modeling and Rendering LEGO Representations of Boundary Models...17 Luís F.M.S. Silva, Vitor F. Pamplona, and João L.D. Comba RGBN Image Editing...24 Thiago Pereira and Luiz Velho Texture and Rendering Synthesis and Transfer of Time-Variant Material Appearance on Images...32 Djalma Bandeira and Marcelo Walter Geometry Super-Resolution by Example...40 Thales Vieira, Alex Bordignon, Thomas Lewiner, and Luiz Velho Perspective Contouring in Illustrative Visualization...48 Jonatas Medeiros, Mario Sousa, Luiz Velho, and Carla Freitas Salient Clustering for View-dependent Multiresolution Rendering...56 Rodrigo Barni, João Comba, and Amitabh Varshney Isosurfacing and Mesh Processing Efficient and High Quality Contouring of Isosurfaces on Uniform Grids...64 Leonardo A. Schmitz, Carlos A. Dietrich, and João L.D. Comba Surface Reconstruction: An Improved Marching Triangle Algorithm for Scalar and Vector Implicit Field Representations...72 Marc Fournier

3 Lossless Compression of Adaptive Multiresolution Meshes...80 Felix Kälberer, Konrad Polthier, and Christoph von Tycowicz Optimized Pattern-Based Adaptive Mesh Refinement Using GPU...88 Ricardo Lenz, Joaquim Bento Cavalcante-Neto, and Creto Augusto Vidal Vector Field, Skeleton, and Hexagonal Tiling Fast Medial Axis Transform for Planar Domains With General Boundaries...96 Francisco de Moura Pinto and Carla Maria Dal Sasso Freitas Support Vectors Learning for Vector Field Reconstruction Marcos Lage, Rener Castro, Fabiano Petronetto, Alex Bordignon, Geovan Tavares, Thomas Lewiner, and Hélio Lopes Random Walks for Vector Field Denoising João Paixão, Marcos Lage, Fabiano Petronetto, Alex Laier, Sinésio Pesco, Geovan Tavares, Thomas Lewiner, and Hélio Lopes Rectangular Hexagonal Mesh Generation for Parametric Modeling Patrícia Pereira Pampanelli, João Paulo Peçanha, Alessandra Matos Campos, Marcelo Bernardes Vieira, Marcelo Lobosco, and Sócrates de Oliveira Dantas PART II- Image Processing, Computer Vision, and Pattern Recognition Mathematical Morphology Segmentation of Brain Structures by Watershed Transform on Tensorial Morphological Gradient of Diffusion Tensor Imaging Leticia Rittner, Simone Appenzeller, and Roberto Lotufo Analysis of the Watershed Algorithms Based on the Breadth-First and Depth-First Exploring Methods André Körbes and Roberto de Alencar Lotufo The Use of High Resolution Images in Morphological Operator Learning Nina S.T. Hirata and Marta M. Dornelles Jump-Miss Binary Erosion Algorithm Anderson Fraiha Machado and Ronaldo Fumio Hashimoto Image Processing GSAShrink: A Novel Iterative Approach for Wavelet-Based Image Denoising Alexandre L.M. Levada, Alberto Tannús, and Nelson D.A. Mascarenhas A Regularized Nonlinear Diffusion Approach for Texture Image Denoising Wallace Correa de O. Casaca and Maurílio Boaventura Image Restoration with Operators Modeled by Artificial Neural Networks Ana Paula Abrantes de Castro, José Demisio Simões da Silva, and Elcio Hideiti Shiguemori Mammography Images Restoration by Quantum Noise Reduction and Inverse MTF Filtering Larissa Cristina dos Santos Romualdo, Marcelo Andrade da Costa Vieira, and Homero Schiabel

4 Image Processing and Analysis in Medicine and Biometry Microcalcification Detection in Mammograms Using Difference of Gaussians Filters and a Hybrid Feedforward-Kohonen Neural Network Juan F. Ramirez-Villegas, Eric Lam-Espinosa, and David F. Ramirez-Moreno A Semi-Automatic Method for Segmentation of the Coronary Artery Tree from Angiography Daniel S.D. Lara, Alexandre W.C. Faria, Arnaldo de A. Araújo, and David Menotti Extraction and Selection of Dynamic Features of the Human Iris Adilson Gonzaga and Ronaldo Martins da Costa Determination of the Reference Point of a Fingerprint Based on Multiple Levels of Representation Jorge L.A. Samatelo and Evandro O.T. Salles Image Analysis and Pattern Recognition I A Multi-linear Discriminant Analysis of 2D Frontal Face Images Carlos Eduardo Thomaz, Vagner do Amaral, Gilson Antonio Giraldi, Edson Caoru Kitani, João Ricardo Sato, and Duncan Fyfe Gillies Nude Detection in Video Using Bag-of-Visual-Features Ana Paula B. Lopes, Sandra E.F. de Avila, Anderson N.A. Peixoto, Rodrigo S. Oliveira, Marcelo de M. Coelho, and Arnaldo de A. Araújo Computing the q-index for Tsallis Nonextensive Image Segmentation Paulo S. Rodrigues and Gilson A. Giraldi An Immune-Inspired Approach for Unsupervised Texture Segmentation Using Wavelet Packet Transform Karinne S. Silva and Yuzo Iano Image Analysis and Pattern Recognition II A Study of the Effect of Illumination Conditions and Color Spaces on Skin Segmentation Diogo Kuiaski, Hugo Vieira Neto, Gustavo Borba, and Humberto Gamba Fractal-JSEG: JSEG Using an Homogeneity Measurement Based on Local Fractal Descriptor Karin S. Komati, Evandro O.T. Salles, and Mario Sarcinelli Filho Automatic Discrimination between Printed and Handwritten Text in Documents Lincoln Faria da Silva, Aura Conci, and Angel Sanchez A Comparative Study among Pattern Classifiers in Interactive Image Segmentation Thiago V. Spina, Javier A. Montoya-Zegarra, Fábio Andrijauskas, Fábio A. Faria, Carlos E.A. Zampieri, Sheila M. Pinto-Cáceres, Tiago J. de Carvalho, and Alexandre X. Falcão

5 Computer Vision I Detecting Buildings in Historical Photographs Using Bag-of-Keypoints Natália C. Batista, Ana Paula B. Lopes, and Arnaldo de A. Araújo Multi-Frame Motion Detection for Active/Unstable Cameras Mirko Ristivojević and Janusz Konrad 2D-DCT Distance Based Face Recognition Using a Reduced Number of Coefficients Derzu Omaia, JanKees v.d. Poel, and Leonardo V. Batista Action Recognition in Video by Covariance Matching of Silhouette Tunnels Kai Guo, Prakash Ishwar, and Janusz Konrad Computer Vision II An Improved Methodology for Image Feature Matching Vilar F. da Camara Neto and Mario Fernando M. Campos Spatio-Temporal Frames in a Bag-of-Visual-Features Approach for Human Actions Recognition Ana Paula B. Lopes, Rodrigo S. Oliveira, Jussara M. de Almeida, and Arnaldo de A. Araújo Learning Discriminative Appearance-Based Models Using Partial Least Squares William Robson Schwartz and Larry S. Davis Stereo Based Structure Recovery of Underwater Scenes from Automatically Restored Images Erickson Nascimento, Mario Campos, and Wagner Barros Author Index