.: SIBGRAPI 2012 - Technical Papers :.
Citation format
@inproceedings{key,
author = {...},
title = {...},
year = {2012},
month = {august},
booktitle = {SIBGRAPI 2012 (XXV Conference on Graphics, Patterns and Images)},
editor = {C. Freitas, L. Silva, R. Scopigno, and S. Sarkar},
address = {Ouro Preto, MG, Brazil},
url = {http://www.decom.ufop.br/sibgrapi2012/http://www.decom.ufop.br/sibgrapi2012/}
}
Session TS1 - Image/Video Filtering, Restoration and Segmentation
Unraveling the Compromise Between Skull Stripping and Inhomogeneity Correction in 3T MR ImagesF. A. M. Cappabianco (UNIFESP), P. A. V. Miranda (IME-USP), J. S. Ide (UNIFESP), C. L. Yasuda (UNICAMP), A. X. Falcão (UNICAMP). pp 1-8
Analysis in Sensibility of a Motion Detection Algorithm for Selecting Noise Reduction Methods in X-ray Image SequencesL. S. Silva (PUC-Minas), F. R. Rocha (PUC-Minas), L. B. Amaral (PUC-Minas), C. A. Carneiro (PUC-Minas), F. M. F. Ferreira (PUC-Minas), Z. M. A. Peixoto (PUC-Minas). pp 9-15
Contextual Filtering of CT Images Using Markovian Wiener Filters With a Non Local Means Approach for Statistical EstimationD. H. P. Salvadeo (UFSCar), N. D. A. Mascarenhas (UFSCar), A. L. M. Levada (UFSCar). pp 16-23
Segmentation of Large Images with Complex NetworksO. Cuadros (ICMC-USP), G. Botelho (ICMC-USP), F. Rodrigues (ICMC-USP), J. Batista Neto (ICMC-USP). pp 24-31
Session TS2 - Feature Extraction and Matching
Colorization by Multidimensional ProjectionW. Casaca (ICMC-USP), E. Gomez-Nieto (ICMC-USP), C. O.L. Ferreira (PUC-Rio), G. Tavares (PUC-Rio), P. Pagliosa (UFMS), F. Paulovich (ICMC-USP), L. G. Nonato (ICMC-USP), A. Paiva (ICMC-USP). pp 32-38
An Efficient Algorithm for Fractal Analysis of TexturesA. F. Costa (ICMC-USP), G. E. Humpire-Mamani (ICMC-USP), A. J. M. Traina (ICMC-USP). pp 39-46
Appearance and Geometry Fusion for Enhanced Dense 3D AlignmentE. R. Nascimento (UFMG), W. R. Schwartz (UFMG), G. L. Oliveira (UFMG), A. W. Vieira (UNIMONTES), M. F. M. Campos (UFMG), D. B. Mesquita (UFMG). pp 47-54
Histogram Uniformization for Digital Image EncryptionJ. B. Lima (UFPE), R. M. C. Souza (UFPE). pp 55-62
Session TS3 - Image/Video Analysis
Solving Image Puzzles with a Quadratic Programming FormulationF. Andaló (UNICAMP), G. Taubin (Brown University), S. Goldenstein (UNICAMP). pp 63-70
Open-set Source Camera AttributionF. O. Costa (UNICAMP), M. Eckmann (Skidmore College), W. J. Scheirer (Securics Inc.), A. Rocha (UNICAMP). pp 71-78
Multi-Scale Spectral Residual Analysis to Speed up Image Object DetectionG. Silva (UFBA), L. Schnitman (UFBA), L. Oliveira (UFBA). pp 79-86
Image micro-pattern analysis using fuzzy numbersR. T. Vieira (EESC-USP), C. E. O. Chierici (EESC-USP), C. T. Ferraz EESC-USP, A. Gonzaga (EESC-USP). pp 87-93
Session TS4 - Geometric Modeling and Computational Geometry
Approximating implicit curves on triangulations with affine arithmeticA. Paiva (ICMC-USP), F. C. Nascimento (ICMC-USP), L. H. Figueiredo (IMPA), J. Stolfi (UNICAMP). pp 94-101
3D Triangulations for Industrial ApplicationsP. R. Cavalcanti (UFRJ), Y. P. Atencio (UFRJ), C. Esperança (UFRJ), F. P. Nascimento (UFRJ). pp 102-109
ESQ: Editable SQuad representation for triangle meshesL. C. Aleardi (École Polytechnique), O. Devillers (INRIA Sophia-Antipolis), J. Rossignac (GATECH). pp 110-117
Connectivity Oblivious Merging of Triangulations (supplementary material)L. F. Silva (UFRGS), L. F. Scheidegger (UFRGS), T. Etiene (University of Utah), J. Comba (UFRGS), L. G. Nonato (ICMC-USP), C. T. Silva (NYU). pp 118-125
Session TS5 - Rendering and Visualization
Efficient HPR-based Rendering of Point Clouds (supplementary material)R. M. Silva (UFRJ), C. Esperança (UFRJ), A. Oliveira (UFRJ). pp 126-133
Memory-Efficient Order-Independent Transparency with Dynamic Fragment Buffer (supplementary material)M. Maule (UFRGS), J. Comba (UFRGS), R. Torchelsen (UFFS), R. Bastos (NVIDIA). pp 134-141
Ambient occlusion using cone tracing with scene voxelizationE. C. D. Favera (PUC-Rio), W. Celes (PUC-Rio). pp 142-149
Rapid Visualization of Geological ConceptsM. Natali (University of Bergen), I. Viola (University of Bergen), D. Patel (Christian Michelsen Research). pp 150-157
Session TS6 - Computer Vision
Invariance for Single Curved ManifoldP. M. M. Castro (UFPE). pp 158-165
Robust Patch-Based Pedestrian Tracking using Monocular Calibrated Cameras (supplementary material)G. Führ (UFRGS), C. R. Jung (UFRGS). pp 166-173
Automatic tracking of indoor soccer players using videos from multiple camerasE. Morais (UNICAMP), S. Goldenstein (UNICAMP), A. Ferreira (UNICAMP), A. Rocha (UNICAMP). pp 174-181
Real-time Interactive Image Segmentation Using User Indicated Real-world SeedsR. B. Gomes (UFRN), R. V. Aroca (UFRN), B M. Carvalho (UFRN), L. M. G. Gonçalves (UFRN). pp 182-189
Session TS7 - Modeling, Animation and Simulation
Modeling the Copacabana Sidewalk PavementT. Waintraub (PUC-Rio), W. Celes (PUC-Rio). pp 190-197
Representing and Manipulating Mesh-based Character AnimationsE. Aguiar (UFES), N. Ukita (Nara Institute of Science and Technology). pp 198-204
Fluid Simulation on Surfaces in the GPUL. Carvalho (IMPA), M. Andrade (UFAL), L. Velho (IMPA). pp 205-212
Enhanced Target Driven Smoke Morphing (supplementary material)M. C. Renhe (UFJF), A. Oliveira (UFRJ), C. Esperança (UFRJ), R. Marroquim (UFRJ). pp 213-220
Session TS8 - Image/Video Analysis
Video-Based Face Spoofing Detection through Visual Rhythm AnalysisA. Pinto (UNICAMP), H. Pedrini (UNICAMP), W. R. Schwartz (UFMG), A. Rocha (UNICAMP). pp 221-228
Retinal Image Quality Analysis for Automatic Diabetic Retinopathy DetectionR. Pires (UNICAMP), H. F. Jelinek (Charles Sturt University), J. Wainer (UNICAMP), A. Rocha (UNICAMP). pp 229-236
Vehicle Detection using Mixture of Deformable Parts Models: Static and Dynamic Camera (supplementary material 1) (supplementary material 2)L. C. Leon (IME-USP), R. Hirata Jr. (IME-USP). pp 237-244
A mixture of two gender classification expertsY. S. El-Din (Ain Shams University), M. Moustafa (The American University in Cairo), H. Mahdi (Ain Shams Univ.). pp 245-251
Session TS9 - Pattern Recognition
Automatic Classifier Fusion for Produce RecognitionF. A. Faria (UNICAMP), J. A. Santos (UNICAMP), A. Rocha (UNICAMP), R. da S. Torres (UNICAMP). pp 252-259
A Comparison between Optimum-Path Forest and k-Nearest Neighbors ClassifiersR. Souza (UNICAMP), R. Lotufo (UNICAMP), L. Rittner (UNICAMP). pp 260-267
Real-time gesture recognition from depth data through key poses learning and decision forests (supplementary material)L. Miranda (UFAL), T. Vieira (UFAL), D. Martínez (UFAL), T. Lewiner (PUC-Rio), A. W. Vieira (UNIMONTES), Mario F. M. Campos (UFMG). pp 268-275
Searching for People through Textual and Visual AttributesJ. Fabian (UNICAMP), R. Pires (UNICAMP), A. Rocha (UNICAMP). pp 276-282
Session TS10 (Poster) - Texture Synthesis and Image Processing
Animation and Simulation
Texture Synthesis of Contrasting Natural Patterns (supplementary material)F. Queiroz (UFAL), M. Walter (UFRGS). pp 283-290
Feature Extraction and Matching
BBA: A Binary Bat Algorithm for Feature SelectionR. Y. M. Nakamura (UNESP), L. A. M. Pereira (UNESP), K. A. Costa (UNESP), D. Rodrigues (UNESP), J. P. Papa (UNESP), X.-S. Yang (National Physical Laboratory). pp 291-297
A tensor based on optical flow for global description of motion in videosV. F. Mota (UFJF), E. A. Perez (UFJF), M. B. Vieira (UFJF), L. M. Maciel (UFJF), F. Precioso (ENSEA), P.-H. Gosselin (ENSEA). pp 298-301
Multi-Modal Acoustic Echo Canceller for Video Conferencing SystemsM. Gazziro (ICMC-USP), G. Almeida (Wernher von Braun Center), P. Matias (IFSC-USP), H. Tanaka (TOSHIBA Co.), S. Minami (TOSHIBA Co.). pp 302-307
Image/Video Analysis
Error Concealment Using a Halftoning Watermarking TechniqueP. G. Freitas (UnB), R. Rigoni (UnB), M. C. Q. Farias (UnB), A. P. F. Araújo (UnB). pp 308-315
Pattern Recognition
Structural Analysis of Histological Images to Aid Diagnosis of Cervical CancerG. H. B. Miranda (FFCLRP/USP), J. Barrera (IME-USP), E. G. Soares (FFCLRP-USP), J. C. Felipe (FCM-USP). pp 316-323
Improving Image Classification Through Descriptor CombinationA. Mansano (USP), J. A. Matsuoka (UNESP), L. C. S. Afonso (USP), J. P. Papa (UNESP), F. Faria, R. da S. Torres (UNICAMP). pp 324-329
Supervised Learning Using Local Analysis in an Optimal-Path ForestW. P. Amorim (UFMS), M. H. Carvalho (UFMS). pp 330-335
Computing gender difference using Fisher-Rao metric from facial surface normalsS. R. Ceolin (Centro Universitário Franciscano), E. R. Hancock (University of York). pp 336-343