Technical Reports
Total number: 179
[Aldana et al., 2024]- Diana Aldana, Tiago
Novello, and Luiz Velho.
"Sinusoidal Networks in practice: Controlling the frequencies’ factory".
Technical Report TR-02-2024, VISGRAF Lab - IMPA, 2024.
[ pdf ]
[Alevato et al., 2024a]- Bernardo Alevato,
Luiz Velho, and Jorge Lopes.
"Dance Rotoscope: AI Animation experiences".
Technical Report TR-03-2024, VISGRAF Lab - IMPA, 2024.
[ pdf ]
[Alevato et al., 2024b]- Bernardo Alevato,
Luiz Velho, and Jorge Lopes.
"An experimental approach to illustrations and artificial intelligence".
Technical Report TR-04-2024, VISGRAF Lab - IMPA, 2024.
[ pdf ]
[Kopiler and Velho, 2024]- Alberto Kopiler
and Luiz Velho.
"INTERACT-NET: Interactive Interfaces for Multimedia Machine Learning".
Technical Report TR-05-2024, VISGRAF Lab - IMPA, 2024.
[ pdf ]
[Magalhaes and Velho, 2024]- Thales
Magalhaes and Luiz Velho.
"Real-Time Rendering of Neural Radiance Fields".
Technical Report TR-01-2024, VISGRAF Lab - IMPA, 2024.
[ pdf ]
[Aldana et al., 2023]- Diana Aldana, Daniel
Perazzo, Tiago Novello, and Luiz Velho.
"Stochastic Sampling for Coordinate Neural Networks".
Technical Report TR-03-2023, VISGRAF Lab - IMPA, 2023.
[ pdf ]
[Novello and Velho, 2023]- Tiago Novello and
Luiz Velho.
"Midias Neurais".
Technical Report TR-01-2023, VISGRAF Lab - IMPA, 2023.
[ pdf ]
[Velho, 2023]- Luiz Velho.
"Generative AI".
Technical Report TR-02-2023, VISGRAF Lab - IMPA, 2023.
[ pdf ]
[Novello et al., 2022a]- Tiago Novello,
Vinicius da Silva, Helio Lopes, Guilherme Shardong, Luiz Schirmer, and Luiz
Velho.
"Differential Geometry in Neural Implicits".
Technical Report TR-04-2022, ViSGRAF Lab - IMPA, 2022.
[ pdf ]
[Novello et al., 2022b]- Tiago Novello,
Vinicius da Silva, Helio Lopes, Guilherme Shardong, Luiz Schirmer, and Luiz
Velho.
"MIP-plicits: Level of Detail Factorization of Neural Implicits Sphere
Tracing".
Technical Report TR-06-2022, ViSGRAF Lab - IMPA, 2022.
[ pdf ]
[Novello et al., 2022c]- Tiago Novello,
Vinicius da Silva, Helio Lopes, Guilherme Shardong, Luiz Schirmer, and Luiz
Velho.
"Neural Implicit Surfaces in Higher Dimension".
Technical Report TR-05-2022, ViSGRAF Lab - IMPA, 2022.
[ pdf ]
[Velho, 2022]- Luiz Velho.
"Metaverse".
Technical Report TR-03-2022, VISGRAF Lab - IMPA, 2022.
[ pdf ]
[Velho and Alevato, 2022]- Luiz Velho and
Bernardo Alevato.
"Humanos Digitais e Avatares".
Technical Report TR-02-2022, VISGRAF Lab - IMPA, 2022.
[ pdf ]
[Velho et al., 2022a]- L. Velho, J. Lopes,
S. Azevdo, B. Alevato, G. Ribeiro, M. Duarte, and V. Arcoverde.
"Space XR: Plano de Pesquisa".
Technical Report TR-01-2022, VISGRAF Lab - IMPA, 2022.
[ pdf ]
[Velho et al., 2022b]- Luiz Velho, Hallison
Paz, Tiago Novello, and Daniel Yukimura.
"Multiresolution Neural Networks for Multiscale Signal Representation".
Technical Report TR-07-2022, ViSGRAF Lab - IMPA, 2022.
[ pdf ]
[da Paz and Velho, 2021]- Hallison da Paz
and Luiz Velho.
"Machine Learning for New Media".
Technical Report TR-03-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[da Silva et al., 2021]- Vinicius da Silva,
Tiago Novello, Helio Lopes, and Luiz Velho.
"Proceduray: A light-weight engine for procedural primitive ray
tracing".
Technical Report TR-01-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[Guisasola and Velho, 2021]- Santiago
Guisasola and Luiz Velho.
"Creating Software for Interaction and Participation: A Documentation for
Videolab, Klak, and MIDI in Unity".
Technical Report TR-02-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[Magalhaes et al., 2021]- Thales Magalhaes,
Luiz Henrique Figueiredo, and Luiz Velho.
"Physically Based Differentiable Rendering".
Technical Report TR-05-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[Souza and Velho, 2021a]- Caio Souza and
Luiz Velho.
"About Idle Behaviors of Autonomous Agents".
Technical Report TR-07-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[Souza and Velho, 2021b]- Caio Souza and
Luiz Velho.
"Learning Behaviors for a Virtual Character".
Technical Report TR-04-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[Velho et al., 2021]- L. Velho, J. Lopes,
B. Alevato, G. Ribeiro, I. Cordeiro, M. Duarte, and V. Arcoverde.
"Space XR: Ambientes Colaborativos em Realidade Expandida".
Technical Report TR-08-2021, VISGRAF Lab - IMPA, 2021.
[ pdf ]
[da Paz et al., 2020]- Harllon da Paz, Carla
Pagliari, and Luiz Velho.
"LightField-Blender: Datasets de LightFields Sinteticos".
Technical Report TR-11-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[da Silva et al., 2020]- Vinicius
da Silva, Tiago Novello, Helio Lopes, and Luiz Velho.
"A light-weight engine for procedural primitive ray tracing".
Technical Report TR-13-2020, VISGRAF Lab - IMPA, 2020.
[ 12.17.pdf ]
[Giannella and Velho, 2020a]- Julia
Giannella and Luiz Velho.
"Visualizacao em Tempos de Coronavirus - Parte 1".
Technical Report TR-07-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Giannella and Velho, 2020b]- Julia
Giannella and Luiz Velho.
"Visualizacao em Tempos de Coronavirus - Parte 2".
Technical Report TR-10-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Novello et al., 2020]- Tiago Novello,
Vinicius da Silva, and Luiz Velho.
"Global Illumination of
Non-Euclidean Spaces".
Technical Report TR-06-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Novelo et al., 2020a]- Tiago Novelo,
Vinicius da Silva, and Luiz Velho.
"Design and Visualization of Riemannian Metrics".
Technical Report TR-08-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Novelo et al., 2020b]- Tiago Novelo,
Vinicius da Silva, and Luiz Velho.
"How to see the eight Thurston
geometries".
Technical Report TR-09-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Paz et al., 2020]- Harllon Paz, Carla
Pagliari, and Luiz Velho.
"Light Fields".
Technical Report TR-01-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Pinto and Velho, 2020]- Gabrielle Pinto and
Luiz Velho.
"Captura de Movimento com Optitrack no VISGRAF Lab".
Technical Report TR-04-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Souza and Velho, 2020]- Caio Souza and Luiz
Velho.
"Deep Reinforcement Learning for High Level Character Control".
Technical Report TR-05-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Velho, 2020a]- Luiz Velho.
"3D Models Database".
Technical Report TR-02-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Velho, 2020b]- Luiz Velho.
"Aerial Models Dataset".
Technical Report TR-03-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Velho et al., 2020]- Luiz Velho, Bernard
Lupiac, Miguel Araujo, and Vida Oliveira2.
"Experiments with Expanded Virtual Puppeteering".
Technical Report TR-12-2020, VISGRAF Lab - IMPA, 2020.
[ pdf ]
[Lupiac and Velho, 2019]- Bernard Lupiac and
Luiz Velho.
"AR
Puppeteering".
Technical Report TR-02-2019, VISGRAF Lab. - IMPA, 2019.
[ pdf ]
[Novello et al., 2019a]- Tiago Novello,
Vinicius da Silva, and Luiz Velho.
"Ray Tracing in NIL Geometry Spaces".
Technical Report TR-06-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Novello et al., 2019b]- Tiago Novello,
Vinicius da Silva, and Luiz Velho.
"Ray Tracing in SL2 Geometry Spaces".
Technical Report TR-07-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Novello et al., 2019c]- Tiago Novello,
Vinicius da Silva, and Luiz Velho.
"Ray Tracing in Sol Geometry Spaces".
Technical Report TR-08-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Schirmer et al., 2019]- Luiz Schirmer,
Djalma Lucio, Luiz Velho, and Helio Cortes.
"Tensorpose: Real-Time Pose Estimation using Tensorflow for Interactive
Applications".
Technical Report TR-03-2019, VISGRAF Lab - IMPA / PUC-Rio, 2019.
[ pdf ]
[Silva and Velho, 2019]- Vinicius Silva and
Luiz Velho.
"Ray-VR: Ray Tracing Virtual Reality in Falcor".
Technical Report TR-05-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Souza and Velho, 2019]- Caio Souza and Luiz
Velho.
"Introducao ao Aprendizado por Reforco".
Technical Report TR-04-2019, VISGRAF Lab. - IMPA, 2019.
[ pdf ]
[Velho, 2019]- Luiz Velho.
"Interactive 360 VR".
Technical Report TR-01-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Velho et al., 2019]- Luiz Velho, Tiago
Novello, Vinicius Silva, and Djalma Lucio.
"Visualization of Non-Euclidean Spaces using Ray Tracing".
Technical Report TR-09-2019, VISGRAF Lab - IMPA, 2019.
[ pdf ]
[Potengy et al., 2018]- Andre Potengy, Luiz
Velho, Leonardo Sacht, and Leonardo Souto.
"Zoom for Virtual Reality based on Moebius Transformations".
Technical Report TR-03-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Ptackova and Velho, 2018]- Lenka Ptackova
and Luiz Velho.
"A Simple and Complete Discrete Exterior Calculus on General Polygonal
Meshes".
Preprint serie a784/2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Velho et al., 2018a]- Luiz Velho, Leonardo
Carvalho, and Djalma Lucio.
"Probabilistic Editing with Virtual Cinematography".
Technical Report TR-04-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Velho et al., 2018b]- Luiz Velho, Leonardo
Carvalho, and Djalma Lucio.
"VR Kino+Theater: a platform for the future digital media".
Technical Report TR-01-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Velho et al., 2018c]- Luiz Velho, Leonardo
Carvalho, and Djalma Lucio.
"VR Tour: Guided Participatory Meta-Narrative for Virtual Reality
Exploration".
Technical Report TR-06-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Velho et al., 2018d]- Luiz Velho, Manoel
Prazeres, Leonardo Carvalho, Djalma Lucio, Affonso Beato, Eduardo
Cronemberger, Julia Giannella, Vitor Rolla, Helena Varvaki, Daniela Salles
Abreu, and Rick Yates.
"Making The Tempest".
Technical Report TR-02-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Xavier and Velho, 2018]- Joao Pedro Xavier
and Luiz Velho.
"Estudo do Framework de Realidade Aumentada da Apple".
Technical Report TR-05-2018, VISGRAF Lab - IMPA, 2018.
[ pdf ]
[Balbio et al., 2017]- Vitor Balbio,
Alexandre Sena, Rosa Maria Costa, Djalma Lucio, and Luiz Velho.
"Avaliacao Experimental de uma Modelagem para Simulator Sickness".
Technical Report TR-08-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Cruz and Velho, 2017a]- Leandro Cruz and
Luiz Velho.
"Um Framework para Escolha de Modelos em Grandes Bases de Dados".
Technical Report TR-04-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Cruz and Velho, 2017b]- Leandro Cruz and
Luiz Velho.
"Visualizacao de Musica".
Technical Report TR-05-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Kestenberg et al., 2017]- Juliano
Kestenberg, Vitor Guerra Rolla, Djalma Lucio, and Luiz Velho.
"Web Orchestra Studio: a real-time interactive platform for music and
education".
Technical Report TR-06-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Potengy and Velho, 2017a]- Andre Potengy
and Luiz Velho.
"A Linguagem Cinematografica Frente aos Desafios da Realidade Virtual".
Technical Report TR-10-2017, VISGRAF Laboratory - IMPA, 2017.
[ pdf ]
[Potengy and Velho, 2017b]- Andre Potengy
and Luiz Velho.
"Zoom para Realidade Virtual Baseado em Transformacao de Moebius".
Technical Report TR-09-2017, VISGRAF Laboratory - IMPA, 2017.
[ pdf ]
[Rolla et al., 2017]- Vitor Guerra Rolla,
Juliano Kestenberg, and Luiz Velho.
"Musica, Matematica e Computacao".
Technical Report TR-07-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Souto et al., 2017]- Leonardo Souto,
Leonardo Sacht, and Luiz Velho.
"Moebius Transformations Applied to Omnidirectional Images".
Technical Report TR-02-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Velho, 2017]- Luiz Velho.
"VR Kino+Theater".
Technical Note TR-11-2017, VISGRAF Lab - IMPA, 2017.
[ pdf ]
[Velho et al., 2017]- Luiz Velho, Leo
Carvalho, and Djalma Lucio.
"In-Situ Virtual Reality".
Technical Report TR-03-2017, VISGRAF Laboratory - IMPA, 2017.
[ pdf ]
[Zang and Velho, 2017]- Aldo Zang and Luiz
Velho.
"Construcao e Visualizacao Interativa de Panoramas Omnidirecionais com
Multiplas Camadas".
Technical Report TR-01-2017, Laboratorio VISGRAF - IMPA, 2017.
[ pdf ]
[Andaló et al., 2016]- Fernanda Andaló,
Gustavo Carneiro, Siome Goldenstein, Gabriel Taubin, and Luiz Velho.
"Automatic reconstruction of ancient Portuguese tile panels".
Preprint impa a773, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Fernandes et al., 2016a]- Elton Fernandes,
Gabriel Fernandes, and Luiz Velho.
"Aplicabilidade Industrial de Tecnologias Avancadas de Visualizacao
Movel".
Technical Report TR-06-2016, Laboratorio VISGRAF - IMPA / UFRJ, 2016.
[ pdf ]
[Fernandes et al., 2016b]- Gabriel
Fernandes, Juliano Kestenberg, and Luiz Velho.
"Sistema Revelar".
Technical Report TR-07-2016, Laboratorio VISGRAF - IMPA, 10 2016.
[ pdf ]
[Giannella and Velho, 2016]- Julia Giannella
and Luiz Velho.
"OBSERVATOR!O2016".
Technical Report TR-08-2016, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Madeira and Velho, 2016]- Bruno Madeira and
Luiz Velho.
"Mecanismos de Compensacao da Distorcao em Imagens Estereoscopicas
Visualizadas de Forma Obliqua".
Technical Report TR-01-2016, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Paz and Velho, 2016a]- Hallison Paz and
Luiz Velho.
"Adaptive Polygonization Methods for RGB-D Images".
Technical Report TR-05-2016, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Paz and Velho, 2016b]- Hallison Paz and Luiz
Velho.
"Imagens RGB-D em plataformas moveis".
Tr-02-2016, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Velho, 2016]- Luiz Velho.
"The Expo Framework".
Technical Report TR-03-2016, Laboratorio VISGRAF - IMPA, 2016.
[ pdf ]
[Vera et al., 2016]- Eduardo Vera, Djalma
Lucio, Leandro A. F. Fernandes, and Luiz Velho.
"Deteccao de Planos em Tempo Real em Imagens de Profundidade".
Technical Report TR-04-2016, IMPA / UFF, 2016.
[ pdf ]
[Carvalho et al., 2015]- Leonardo
Carvalho, Maria Andrade, and Luiz Velho.
"Fluid Simulation and Generating Textures with Reaction-Diffusion Systems on
Surfaces in the GPU".
Preprint A767, IMPA, 2015.
[ pdf ]
[Cruz and Velho, 2015]- Leandro Cruz and Luiz
Velho.
"Tecnicas de Alto Nivel para Criacao de Terrenos".
Technical Report TR-05-2015, IMPA, 2015.
[ pdf ]
[Felinto et al., 2015]- Dalai Felinto,
Djalma Lucio, and Luiz Velho.
"Authoring Tools for Mesa-3D".
Technical Report TR-07-2017, IMPA - VISGRAF Laboratory, 2015.
[ pdf ]
[Fernandes et al., 2015]- Gabriel Fernandes,
Djalma Lucio, Bruno Silva, and Luiz Velho.
"Architectures for Distributed Mobile Applications".
Technical Report TR-01-2015, VISGRAF Laboratory - IMPA, 2015.
[ pdf ]
[Lucio, 2015]- Djalma Lucio.
"RV PlanoVision Viewer".
Technical Report TR-04-2015, VISGRAF Laboratory - IMPA, 2015.
[ pdf ]
[Ptackova and Velho, 2015a]- Lenka Ptackova and
Luiz Velho.
"Discrete Exterior Calculus and Applications".
Technical Report TR-03-2015, VISGRAFLaboratory - IMPA, April 2015.
[ pdf ]
[Ptackova and Velho, 2015b]- Lenka Ptackova
and Luiz Velho.
"Discrete Exterior Calculus: History, Theory and Applications".
Technical Report TR-06-2015, IMPA - VISGRAF Laboratory, 2015.
[ pdf ]
[Roy and Velho, 2015]- Louise Roy and Luiz
Velho.
"Motion Creation from Motion Capture Data".
Technical Report TR-02-2015, VSIGRAF Laboratory - IMPA, 2015.
[ pdf ]
[Alves and Velho, 2014]- Alexandra Camargo
Alves and Luiz Velho.
"Banco de Dados de Movimento Capturado".
Technical Report TR-01-2014, IMPA, 2014.
[ pdf ]
[Andalo and Velho, 2014]- Fernanda Andalo and
Luiz Velho.
"A Graph Cut Approach to Texture Synthesis on 3D Surfaces".
Technical Report TR-02-2014, IMPA, 2014.
[ pdf ]
[Rocha et al., 2014]- Carlos Eduardo Rocha,
Diego Bretas, Hallison da Paz, Paulo Rosa, and Luiz Velho.
"Framework para Aplicacoes em Plataformas Moveis usando Panoramas com
Camadas".
Technical Report TR-04-2014, IME, 2014.
[ pdf ]
[Silva et al., 2014]- Bruno Silva, Djalma
Lucio, and Luiz Velho.
"Scrambled Videos: Sistema de insercao e manipulacao de video clips
curtos".
Technical Report TR-03-2014, IMPA, 2014.
[ pdf ]
[Andalo et al., 2013]- Fernanda Andalo,
Gustavo Carneiro, Siome Goldenstein, Gabriel Taubin, and Luiz Velho.
"Image puzzle methods applied to the automatic reconstruction of ancient
Portuguese tile panels".
Technical Report TR-04-2013, IMPA - VISGRAF Laboratory, 2013.
[ pdf ]
[Berger et al., 2013]- Pierre Berger, Alex
Laier, and Luiz Velho.
"An image-space algorithm for immersive views in 3-manifolds and
orbifolds".
Technical Report TR-01-2013, IMPA - Laboratorio VISGRAF,, 2013.
[ pdf ]
[Krakowski and Velho, 2013]- Sergio Krakowski
and Luiz Velho.
"Modeling Sound in 3-Orbifolds".
Technical Report TR-02-2013, MPA - Laboratorio VISGRAF, 2013.
[ pdf ]
[Peaaranda et al., 2013]- Luis Peaaranda,
Leonardo Sacht, and Luiz Velho.
"Improving Projections of Panoramic Images with Moebius
Transformations".
Technical Report TR-03-2013, IMPA - VISGRAF Laboratory, 2013.
[ pdf ]
[Velho et al., 2013]- Luiz Velho, Fernanda
Groetaers, and Mariana Duprat.
"Botanic: New Directions in Mobile Research".
Technical Report - VISGRAF Laboratory TR-05-2013, IMPA, 2013.
[ pdf ]
[Andrade and Velho, 2012]- Maria Andrade
and Luiz Velho.
"Fluid Simulation and Reaction-Diffusion Textures on Surfaces".
Technical Report - VISGRAF Laboratory TR-01-2012, IMPA, 2012.
[ pdf ]
[Cruz and Velho, 2012]- Leandro Cruz and Luiz
Velho.
"Classificacao de sinais com Scattering Operators".
Technical Report TR-04-2012, IMPA - Laboratorio VISGRAF, 2012.
[ pdf ]
[Hernandez and Velho(, 2012]- Noslen Hernandez
and Luiz Velho(.
"Object Recognition using RGB-D images: Some preliminary results".
Technical Report TR-05-2012, IMPA, october 2012.
[ pdf ]
[Madeira and Velho, 2012]- Bruno
Madeira and Luiz Velho.
"Processo de captura e exibicao de imagens estereoscopicas, aplicacao e uso
relacionado".
Patente, IMPA, 2012.
[ pdf ]
[Maximo et al., 2012]- Andre Maximo, Luiz Velho,
and Marcelo Siqueira.
"An Adaptive Multiresolution Mesh Representation for CPU-GPU Coupled
Computation".
Technical Report TR-06-2012, IMPA - Laboratorio VISGRAF, 2012.
[ pdf ]
[Murillo and (supervisor),
2012]- Francisco Benavides Murillo and Luiz Velho (supervisor).
"Multirresolution analysis as a numerical technique".
Technical Report TR-2012-02, IMPA, 2012.
[ pdf ]
[Renaut and Velho, 2012]- Erwan Renaut and Luiz
Velho.
"Constructing 3D skeleton-based models for base mesh generation".
Technical Report TR-03-2012, IMPA - Laboratorio VISGRAF, sept 2012.
[ pdf ]
[Schulz et al., 2012]- Adriana Schulz, Luiz
Velho, and Wojciech Matusik.
"ChoreoGraphics: An Authoring Environment for Dance Shows".
Technical Report TR-07-2012, IMPA - Laboratorio VISGRAF, 2012.
[ pdf ]
[Cicconet, 2011]- Marcelo Cicconet.
"Measure-Based Scale-Aware Automatic Composition".
Technical Report TR-11-02, IMPA, 2011.
[ pdf ]
[de Castro et al., 2011]- Tassio Knop
de Castro, Alexandre Chapiro, and Luiz Velho.
"Computational Photography and Video".
Technical Report - VISGRAF Laboratory TR-11-03, IMPA, 2011.
[ pdf ]
[Macedo and Velhoi, 2011]- Ives Macedo and Luiz
Velhoi.
"A note on approximation on the real line with nonnegative derivative
constraints by Hermite interpolation using RBFs and convex quadratic
programming".
Technical Report TR-01-2011, IMPA, January 2011.
VISGRAF Laboratory Technical Report.
[ pdf ]
[Madeira and Velho, 2011]- Bruno Madeira and
Luiz Velho.
"Processo para Captura e Exibicao de Imagens Estereoscopicas, Aplicacao e
uso relacionado".
Patente, IMPA, 2011.
Depositada no INPI.
[ pdf ]
[Sacht et al., 2011]- Leonardo Sacht,
Luiz Velho, Diego Nehab, and Marcelo Cicconet.
"Scalable Motion Aware Panoramic Videos".
Technical Report 26/2011, IMPA, 2011.
[ pdf ]
[Cicconet et al., 2010a]- Marcelo Cicconet,
Paulo Cezar Carvalho, Ilana Paterman, and Luiz Velho.
"Metodo para representar escalas musicais e Dispositivo eletronico
musical".
Patente, 2010.
depositada no INPI.
[ pdf ]
[Cicconet et al., 2010b]- Marcelo
Cicconet, Ilana Paterman, Luiz Velho, and Paulo Carvalho.
"On
Multi-Touch Interfaces for Music Improvisation: The Blues Machine
Project".
Technical Report TR-2010-05, IMPA, 06 2010.
[ pdf ]
[Cruz and Velho, 2010]- Leandro
Moraes Valle Cruz and Luiz Velho.
"Um Sketch sobre Sketch-Based Modeling".
Technical Report TR-03, Laboratorio VISGRAF - IMPA, 2010.
[ pdf ]
[Madeira and Velho, 2010a]- Bruno Madeira and
Luiz Velho.
"Experimentos em Realidade Aumentada".
VISGRAF Laboratory - Technical Report TR-2010-06, IMPA, 2010.
[ pdf ]
[Madeira and Velho, 2010b]- Bruno Madeira and
Luiz Velho.
"Realidade Virtual e Aumentada".
Technical Report TR-01, Laboratorio VISGRAF - IMPA, 2010.
[ pdf ]
[Saba et al., 2010]- Maria Paula Saba, Andre
Maximo, and Luiz Velho.
"Método de organiza c cão de dados multidimensional".
Technical report, Patente depositada no INPI, 2010.
[ pdf ]
[Schorr and Velho, 2010]- Bernardo Schorr and
Luiz Velho.
"Gigapixel Panoramas and Narratives: The making of Love Affair".
VISGRAF Laboratory - Technical Report TR-2010-07, IMPA, 2010.
[ pdf ]
[Schulz and Velho, 2010]- Adriana Schulz and
Luiz Velho.
"Character Animation from Motion Capture Data".
Technical Report TR-2010-02, VISGRAF Laboratory Technical Report, 2010.
[ pdf ]
[Schulz et al., 2010]- Adriana Schulz, MArcelo
Cicconet, Bruno Madeira, Aldo Zang, and Luiz Velho.
"Techniques for CG Music Video Production: the making of Dance to the Music
/ Play to the Motion".
Technical Report TR-2010-04, Laboratorio VISGRAF - IMPA, March 2010.
[ pdf ]
[Gappo and Velho, 2009]- Rafaella Gappo and Luiz
Velho.
"The VISGRAF Video Database".
VISGRAF Laboratory Technical Report TR-2009-04, IMPA, 2009.
[ pdf ]
[Krakowski and Velho, 2009]- Sergio Krakowski
and Luiz Velho.
"Switching Interactive Modes".
VISGRAF Laboratory Technical Report TR-2009-03, IMPA, 2009.
[ pdf ]
[Maximo et al., 2009]- Andre Maximo,
Maria Paula Saba, and Luiz Velho.
"collecTable: uma Interface Natural para Colecoes de Musica".
VISGRAF Laboratory Technical Report TR-02-2009, IMPA, 2009.
[ pdf ]
[Mello and Velho, 2009]- Vinicius Mello and Luiz
Velho.
"Simplicial Diffeomorphisms".
VISGRAF Laboratory Technical Report TR-2009-05, IMPA, 2009.
[ pdf ]
[Pereira and Velho, 2009]- Thiago Pereira and
Luiz Velho.
"Editing RGBNs".
VISGRAF Laboratory Technical Report TR-01-2009, IMPA, 2009.
[ pdf ]
[Corbo and Velho, 2008]- Anna Regina Corbo and
Luiz Velho.
"Dome Project".
VISGRAF Laboratory Technical Report TR-2008-03, IMPA, 2008.
[ pdf ]
[Cordeiro and Velho, 2008]- Luiz Fernando
Cordeiro and Luiz Velho.
"Video de Quarta Geracao - Memoria 2008".
VISGRAF Laboratory Technical Report TR-2008-02, IMPA, 2008.
[ pdf ]
[Mena-Chalco et al., 2008]- Jesus
Mena-Chalco, Roberto Marcondes, and Luiz Velho.
"Banco de Dados de Faces 3D: IMPA-FACE3D".
TR 01, IMPA - VISGRAF Laboratory, November 2008.
[ pdf ]
[Cabral et al., 2007]- Giordano Cabral, Sergio
Krakowski, Francois Pachet, Jean-Pierre Briot, and Luiz Velho.
"Some Case Studies in Automatic Descriptor Extraction".
Technical Report 05-07, IMPA - VISGRAF Laboratory, 2007.
[ pdf ]
[de Goes et al., 2007]- Fernando de Goes,
Siome Goldenstein, and Luiz Velho.
"Intrinsic Mesh Segmentation".
Technical Report IC-07-017, Instituto de Computacao - UNICAMP, may 2007.
[ pdf ]
[Martinez et al., 2007]- Dimas Martinez,
Paulo Cezar Carvalho, and Luiz Velho.
"Geodesic Bezier Curves: A Tool for Modeling on Triangulations".
Technical Report 04-07, IMPA - VISGRAF Laboratory, 2007.
[ pdf ]
[Medeiros et al., 2007a]- Esdras Medeiros,
Thomas Lewiner, Helio Lopes, and Luiz Velho.
"An Aspect Ratio Upper Bound in 2D Solid Alpha Complexes of Poisson Disc
Samplings".
Technical Report 02-07, IMPA - VISGRAF Laboratory, 2007.
[ pdf ]
[Medeiros et al., 2007b]- Esdras Medeiros,
Thomas Lewiner, Helio Lopes, and Luiz Velho.
"Reconstructing Poisson Disc Samplings of Solid Objects with Topological
Guarantees".
Technical Report 03-07, IMPA - VISGRAF Laboratory, 2007.
[ pdf ]
[Medeiros et al., 2007c]- Esdras Medeiros,
Thomas Lewiner, Helio Lopes, and Luiz Velho.
"Uma Abordagem Estocastica para Multiresolucao de Objetos Solidos com
Controle Topologico".
Technical Report 01-07, IMPA - VISGRAF Laboratory, 2007.
[ pdf ]
[Jr. and Velho, 2006]- Jonas Sossai Jr. and Luiz
Velho.
"Variational Texture Atlas Construction and Applications".
Technical Report TR-0306, IMPA - VISGRAF Laboratory, August 2006.
[ pdf ]
[Krakowski and Velho, 2006]- Sergio Krakowski
and Luiz Velho.
"A Survey of Real-Time Interactive Music Systems".
Technical Report TR-05-06, IMPA - VISGRAF Laboratory, december 2006.
[ pdf ]
[Margareth Catoia Varela, 2006]- Bruno
Madeira Hedlena Bezerra Marcos Magalhaes Margareth Catoia Varela, Luiz Velho.
"MUAN: A Stop Motion Animation System".
Technical Report 02, IMPA, 2006.
[ pdf ]
[Mederos et al., 2006]- Boris Mederos, Sueni
Arouca, Marcos Lage, Helio Lopes, and Luiz Velho.
"Improved Partition of Unity Implicit Surface Reconstruction".
Technical Report TR-0406, IMPA - VISGRAF Laboratory, november 2006.
[ pdf ]
[Rodrigues et al., 2006]- Paula Salgado Lucena
Rodrigues, Cezar T. Pozzer, Bruno Feijo, Angelo Ciarlim, Antonio Furtado, and
Luiz Velho.
"An Expressive Talking Head for an Interactive Storytelling System".
Technical Report 01, PUC-Rio / IMPA, 2006.
[ pdf ]
[Bezerra et al., 2005]- Hedlena Bezerra, Luiz
Velho, and Bruno Feijo.
"Sombreamento 3D para Animacao 2D".
Technical Report - VISGRAF Laboratory TR-2005-01, IMPA, january 2005.
[ pdf ]
[Lage et al., 2005]- Marcos Lage, Thomas Lewiner,
Helio Lopes, and Luiz Velho.
"CHE: A scalable topological data structure for triangular meshes".
Preprint MAT 13/05, PUC-Rio, May 2005.
[ pdf ]
[Medeiros et al., 2005]- Esdras Medeiros, Luiz
Velho, and Helio Lopes.
"TopQT: A Topological Data-Structure for Quadtrees".
Technical Report 05, VISGRAF Laboratory - IMPA, October 2005.
[ pdf ]
[Rodrigues et al., 2005]- Paula
Salgado Lucena Rodrigues, Bruno Feijo, and Luiz Velho.
"Modelos Avancados de Animacao Facial: O Estado da Arte".
Laboratorio VISGRAF - Technical Report 02, PUC-Rio / IMPA, April 2005.
[ pdf ]
[Velho et al., 2005]- Luiz Velho, Hélio
Lopes, Esdras Medeiros, Thomas Lewiner, and Geovan Tavares.
"Topological Mesh Operators".
Technical Report - VISGRAF Laboratory TR-2005-03, IMPA, October 2005.
[ pdf ]
[Biasi et al., 2004]- Sergio Biasi, Bruno
Feijo, and Luiz Velho.
"Rastreamento de Movimento com Marcadores Oticos Retrorefletores".
Technical Report 08-04, IMPA - VISGRAF Laboratory, 2004.
[ pdf ]
[da Cunha and Velho, 2004]- Anderson Mayrink
da Cunha and Luiz Velho.
"Rastreamento e Modelagem de um Objeto Rigido num Video".
Technical Report TR-2004-03, Laboratorio VISGRAF, 2004.
[ pdf ]
[Luz et al., 2004]- Jose Luiz Soares Luz,
Paulo Cezar Carvalho, and Luiz Velho.
"Texture Blending to Point Sampled Geometry".
Technical Report TR-2004-06, Laboratorio VISGRAF, 2004.
[ pdf ]
[Sá et al., 2004]- Asla Sá, Luiz Velho,
and Paulo Cezar Carvalho.
"Simulating Film Response Curves from a Pair of LDR Images".
Technical report, IMPA - Laboratorio VISGRAF - Technical Report TR-2004-07, 9
2004.
[ pdf ]
[Silva et al., 2004]- Aristofanes Silva,
Paulo Cezar Carvalho, Rodolfo Nunes, and Marcelo Gattass.
"Algorithms for
Assisted Diagnosis of Solitary Lung Nodules in Computerized Tomography
Images".
Technical Report TR-2004-02, IMPA - Visgraf Laboratory, February 2004.
[ pdf ]
[Velho, 2004]- Luiz Velho.
"Dynamic Adaptive Meshes and Stellar Theory".
Technical Report TR-2004-01, IMPA - Laboratorio VISGRAF, 2004.
[ pdf ]
[Velho et al., 2004a]- Luiz Velho, Lourena
Rocha, Sergio Pinheiro, and Marcelo Vieira.
"Visualizacao de Terrenos em Tempo Real com Malhas Semi-Regulares".
Technical Report TR-2004-05, Laboratorio VISGRAF, 2004.
[ pdf ]
[Velho et al., 2004b]- Luiz Velho, Marcelo
Vieira, Asla Sa, and Paulo Cezar Carvalho.
"4th Generation Video: Phase One".
Technical Report TR-2004-04, Laboratorio VISGRAF, 2004.
[ pdf ]
[Carneiro and Velho, 2003]- Marcelo Medeiros
Carneiro and Luiz Velho.
"Interfaces Assistidas para Deficientes Visuais Utilizando Dispositivos
Reativos e Transformadas de Distancia".
Relatorio Tecnico TR-2003-05, IMPA - Laboratorio VISGRAF, 2003.
[ pdf ]
[da Cunha and Velho, 2003a]- Anderson Mayrink
da Cunha and Luiz Velho.
"Metodos Probabilisticos para Reconhecimento de Voz".
Technical Report - VISGRAF Laboratory TR-2003-04, IMPA, june 2003.
[ pdf ]
[da Cunha and Velho, 2003b]- Anderson Mayrink
da Cunha and Luiz Velho.
"Reconhecimento de Digitos com HMM".
Technical Report TR-2003-04, IMPA - VISGRAF Laboratory, August 2003.
[ pdf ]
[Mederos et al., 2003]- Boris Mederos, Luiz
Velho, and Luiz Henrique de Figueiredo.
"Moving Least Squares
Multiresolution Surface Approximation".
Technical Report TR-2003-03, IMPA, 2003.
[ pdf ]
[Albuquerque and Velho, 2002]- Antonia
Lucinelma Pessoa Albuquerque and Luiz Velho.
"Presenca em Mundos Virtuais".
Technical Report TR-2002-04, IMPA, June 2002.
[ pdf ]
[da Cunha and Velho, 2002]- Anderson Mayrink
da Cunha and Luiz Velho.
"Hidden Markov Models".
Technical Report TR-2002-02, IMPA, January 2002.
[ pdf ]
[de Figueiredo et al., 2002]- L.H.
de Figueiredo, Jonas Gomes, M. Tigges, Luiz Velho, B. Wyvill, and Ruben
Zonenschein.
"Global 2-D Texture Mapping for Implicit Models".
Technical Report 09, IMPA - Laboratorio VISGRAF, June 2002.
[ pdf ]
[de Paiva et al., 2002]- Anselmo Cardoso
de Paiva, Luiz Velho, and Marcelo Gattass.
"A Compression Scheme for Volumetric Data Based on the Local Cosine
Transform".
Technical Report TR-2002-07, IMPA, February 2002.
[ pdf ]
[Destobbeleire and Velho, 2002]- Regis
Destobbeleire and Luiz Velho.
"Super-Resolution".
Rapport de Stage d'Option Scientifique TR-2002-08, Ecole Polytechnique, June
2002.
(Directeur de stage: Luiz Velho).
[ pdf ]
[Madeira and Velho, 2002]- Bruno Madeira and
Luiz Velho.
"Um Sub-Sistema de Visao Computacional para Acompanhamento de Objetos".
Relatorio Tecnico TR-2002-01, IMPA - Laboratorio Visgraf, January 2002.
[ pdf ]
[Nogueira and Velho, 2002]- Aldo Nogueira and
Luiz Velho.
"Stitching and Visualization of 360 Images".
Technical Report TR-2002-03, IMPA, March 2002.
[ pdf ]
[Rivera et al., 2002]- Luis Antonio Rivera,
Paulo Cezar Carvalho, and Luiz Velho.
"Caixas Orientadas Envolventes na Verificacao de Objetos".
Technical Report TR-2002-05, IMPA, May 2002.
[ pdf ]
[Albuquerque and Velho, 2001]- Antonia
Lucinelma Pessoa Albuquerque and Luiz Velho.
"Mundos Virtuais e Jogos por Computador: PONG - Um Estudo de Caso".
Relatorio Tecnico TR-2001-02, IMPA - Laboratorio Visgraf, September 2001.
[ pdf ]
[Billault and Velho, 2001]- Paul Billault
and Luiz Velho.
"Texture Syntesis
Algorithms".
Rapport de stage d'option scientifique, Ecole Polytechnique, June 2001.
(Directeur de stage: Luiz Velho).
[ pdf ]
[Cunha et al., 2001]- Anderson Cunha, Ralph
Teixeira, and Luiz Velho.
"Espacos
de Escala Discretos".
Technical report, IMPA, April 2001.
[ pdf ]
[Mello et al., 2001]- Vinicius Mello, Luiz
Velho, Paulo Roma Cavalcanti, and Claudio Silva.
"BMT: A Generic Programming Approach to Multiresolution Spatial
Decompositions".
Visgraf technical report 01-04, IMPA, December 2001.
[ pdf ]
[Nehab and Velho, 2001]- Diego Nehab and Luiz
Velho.
"A Lua Implementation of Image Moment-Based Painterly Rendering".
Technical Report TR-2001-11, IMPA, December 2001.
[ pdf ]
[Pinheiro and Velho, 2001]- Sergio Estevao
Pinheiro and Luiz Velho.
"Manual do Sistema Visorama -
Versao 1.0".
Technical Report TR-2001-10, Laboratorio Visgraf, IMPA - Instituto de
Matematica Pura e Aplicada, Agosto 2001.
[ pdf ]
[Pinheiro et al., 2001]- Sergio Pinheiro,
Luiz Velho, and Marcelo Gattas.
"Um Sistema de Memoria Virtual para Objetos 2D em Multi-Resolucao".
Relatorio Tecnico 3, PUC-Rio / IMPA-Visgraf, 10 2001.
[ pdf ]
[Toledo et al., 2001]- Rodrigo Toledo, Marcelo
Gattass, and Luiz Velho.
"QLOD: A Data Structure for Interative Terrain Visualization".
VISGRAF Laboratory TR-2001-13, IMPA, 2001.
[ pdf ]
[Carneiro and Velho,
2000]- Marcelo Medeiros Carneiro and Luiz Velho.
"Um Estudo de Algoritmos para Visualização Simult^anea de Dados
Volumétricos e Superfícies Poligonais".
Technical Report MCC 14/00, PUC-Rio, Rio de Janeiro, March 2000.
[ pdf ]
[Junior et al., 2000]- Antonio Lopes Apolinario
Junior, Luiz Velho, and Claudio Esperanca.
"Modelagem de Objetos Implicitos: Uma Abordagem Hierarquica".
Relatorio Tecnico 1, UFRJ / IMPA-VISGRAF, 11 2000.
[ pdf ]
[Peixoto and Carvalho,
2000]- Adelailson Peixoto and Paulo Cézar P. Carvalho.
"Esqueletos de Objetos Volumétricos".
Technical Report MCC 34/00, PUC-Rio, Agosto 2000.
[ pdf ] [ zip ]
[Peixoto and Gattass,
2000]- Adelailson Peixoto and Marcelo Gattass.
"Reconstrução de Superfícies a partir de Seções
Bidimensionais".
Technical Report MCC 28/00, PUC-Rio, Julho 2000.
[ pdf ] [ zip ]
[Peixoto and Velho,
2000]- Adelailson Peixoto and Luiz Velho.
"Transformadas de Dist^ancia".
Technical Report PUC-Rio.Inf.MCC 35/00, PUC-Rio, setembro 2000.
[ pdf ] [ zip ]
[Escriba et al., 1999]- Luiz Antonio Rivera
Escriba, Paulo Cezar Pinto Carvalho, and Luiz Velho.
"Modelagem e Manipulação de Objetos Complexos".
Technical Report n. 6/99, PUC - Rio, 1999.
[Paiva et al.,
1999a]- Anselmo C. Paiva, Roberto de Beauclair Seixas, and Marcelo
Gattass.
"Introducao a Visualizacao Volumetrica".
Monografia em Ciencia da Computacao 03/99, Pontificia Universidade Catolica do
Rio de Janeiro - PUC-Rio, Fevereiro 1999.
[ pdf ]
[Paiva et al.,
1999b]- Anselmo C. Paiva, Roberto de Beauclair Seixas, and Marcelo
Gattass.
"Visualizacao Volumetrica em Multiresolucao".
Monografia em Ciencia da Computacao 04/99, Pontificia Universidade Catolica do
Rio de Janeiro - PUC-Rio, Fevereiro 1999.
[ pdf ]
[Velho and Gomes, 1999]- Luiz Velho and
Jonas Gomes.
"Color Halftoning with Stochastic Screening and Adaptive Clustering".
Technical report, IMPA, 1999.
[ pdf ]
[Velho et al., 1998a]- Luiz Velho,
Fernando Wagner da Silva, and Jonas Gomes.
"Motion Capture Systems".
Technical report, Projeto Visgraf, IMPA, 1998.
[ pdf.gz ]
[Velho et al., 1998b]- Luiz Velho, Andre
Matos, and Jonas Gomes.
"Visualização de Panoramas Virtuais".
Technical report, Projeto Visgraf, IMPA, 1998.
[ pdf ]
[Matos et al., 1997]- A. Matos, J. Gomes,
L. Velho, P. Cezar, and M. Gattass.
"Uma simulação do
QuicktimeVR para mundos poligonais".
Technical report, Visgraf, Impa, 1997.
[ pdf ] [ ps.gz ]
[da Silva et al., 1996]- Fernando Wagner
da Silva, Luis Fernando de Oliveira, and Antonio Oliveira.
"Técnicas de Visão Computacional Aplicadas à
Animação por Computador".
Technical Report ES-375/96, COPPE-Sistemas, UFRJ, março 1996.
[Velho and Gomes, 1996]- Luiz Velho and
Jonas Gomes.
"O MBONE - Videoconfer^encia na Internet".
Technical report, IMPA, Rio de Janeiro, 1996.
[ pdf.gz ]
[Filho et al., 1995]- Waldemar Celes
Filho, Marcelo Gattass, Paulo C. P. Carvalho, and Luiz Henrique
de Figueiredo.
"A topological data structure for hierarchical planar subdivisions".
Technical Report CS-95-53, University of Waterloo, Canada, 1995.
[Carvalho et al., 1992]- Paulo Cezar
Carvalho, Jonas Gomes, and Luiz Velho.
"Spatial Decompositions: Theory and Practice".
Technical report, IMPA, Rio de Janeiro, 1992.
[ ps.gz ]
[Velho and Perlin, 1992]- Luiz Velho and
Ken Perlin.
"A Wavelet Representation for Unbounded Resolution Painting".
Technical report, Courant Institute of Mathematical Sciences, NYU, Novembro
1992.
[ ps.gz ]
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