Computer Graphics Professors and Supervisors in Brazil

Waldemar Celes FilhoView profile

Associate Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Waldemar Celes Filho is an Associate Professor in the Department of Computer Science at Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and serves as Director of the Tecgraf Institute/PUC-Rio. With a career spanning over three decades, he has established himself as a leading researcher in computer graphics and scientific visualization. His educational background includes a Civil Engineering degree from UFRJ (1986), a Master's in Civil Engineering from PUC-Rio (1990), a Doctorate in Computer Science from PUC-Rio (1995), and postdoctoral studies in Computer Graphics at Cornell University (1995-1997). Dr. Celes Filho's research focuses primarily on Computer Graphics with special emphasis on Scientific Visualization, Numerical Simulation, Distributed Visualization, and Real-Time Rendering. He is particularly known for his work on visualization techniques for black oil reservoir models and as a co-creator of the Lua programming language. His research has resulted in over 50 publications spanning nearly three decades, with consistent output continuing through 2025. His recent publications demonstrate a strong trend toward applying advanced visualization techniques to complex industrial problems, particularly in petroleum engineering and construction informatics. His work bridges theoretical computer graphics with practical applications in engineering domains, showing particular strength in volume rendering, CAD model visualization, and distributed rendering systems. As Director of the Tecgraf Institute, he leads research initiatives that connect academic work with industry applications, fostering collaborations that translate visualization research into practical tools. Dr. Celes Filho has mentored numerous students who have become co-authors on his publications, including Paulo Ivson, Fábio Markus Miranda, and Lucas Caracas de Figueiredo, among others. His work continues to be influential in both academic and industrial settings.

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Joaquim Armando Pires JorgeView profile

Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Joaquim Armando Pires Jorge is a Full Professor at Instituto Superior Técnico, University of Lisbon, where he holds the UNESCO Chair on AI & Virtual Reality. He is also an Adjunct Full Professor at Victoria University of Wellington and an Honorary Invited Professor at the Catholic University of Rio de Janeiro. His career spans AI, VR, and human-centered computing, with leadership roles in IEEE Computer Society, ACM/SIGGRAPH, and Eurographics. Teaching: Computer Graphics, VR, and Human-Computer Interaction (HCI) Leadership: IEEE Computer Society Board of Governors (2023–present), ACM Europe Council (2015–2019) Research: 400+ peer-reviewed publications, focusing on VR, AI ethics, and interactive systems Jorge’s research bridges theoretical and applied computing, emphasizing ethical AI, reproducible science, and immersive technologies. His work includes foundational contributions to pseudo-haptics, gamification in education, and 3D user interfaces. He advocates for open science and global collaboration in XR (Extended Reality) development. His publications span topics like NFTs, remote assistance in MR (Mixed Reality), and gamified learning analytics, reflecting a career dedicated to innovation in graphics, interaction, and education. Notable awards include IEEE Fellow (2025), IEEE Golden Core (2024), and IFIP Silver Core (2014). He has supervised 18 doctoral theses and 70+ MSc dissertations, including Pedro Duarte Parreira’s Fraunhofer-winning MSc thesis (2016). As Editor-in-Chief of Computers & Graphics (since 2007) and IEEE Computer Society Publications Board member (2025–present), he shapes academic discourse in computing. Selected Awards IEEE Fellow (2025) Golden Core Award (2024) IFIP Silver Core (2014) Best Paper Award, IEEE CG&A (2011) Fellow, Eurographics Association (2010)

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Hélio Cortes Vieira LopesView profile

Associate Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Hélio Cortes Vieira Lopes is an Associate Professor at the Department of Informatics of the Pontifical Catholic University of Rio de Janeiro (PUC-Rio) . He joined PUC-Rio in 1996, initially working in the Mathematics Department before transitioning to the Computer Science Department (now Informatics) in 2012. He has also held a Visiting Scholar position at Purdue University in 2001. Education: PhD in Mathematics (1996), Master’s in Informatics (1992), and Bachelor in Computer Engineering (1990), all from PUC-Rio. Research Interests: Hélio focuses on developing advanced mathematical and computational techniques for real-world problems, with recent emphasis on Data Science , Machine Learning , and Process Mining in cloud computing and uncertainty quantification. His work spans Computer Graphics and Visualization , Mesh Generation , Computational Geometry and Topology , and Quantitative Methods for Insurance and Finance . He has applied these techniques to industries like oil, banking, and insurance. Scientific Awards: He received the Business Process Intelligence Challenge (BPIC) Best Report Award in 2017. He also holds productivity grants from CNPq, FAPERJ, CAPES, and FINEP. Advising and Industry Collaboration: Hélio has advised over 80 graduate students and collaborated with companies such as PETROBRAS , VALE , BANCO DO BRASIL , and GLOBO.COM . He has served as an associate editor for journals like Computers & Graphics and IEICE Nonlinear Theory and Its Applications . Laboratories and Initiatives: He leads the DASLAB (Data Science Laboratory) and the ExACTa initiative, while also co-coordinating the GALGOS Laboratory (optimization algorithms) and collaborating with the IDEIAS Laboratory (human-computer interaction and visualization).

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João Luiz Dihl CombaView profile

Professor

Federal University of Rio Grande do SulBrazil

João Luiz Dihl Comba is a Professor at the Institute of Informatics, Universidade Federal do Rio Grande do Sul (UFRGS), Brazil. With a PhD in Computer Science from Stanford University (1993-2000) under advisor Leonidas J. Guibas, he has established himself as a leading researcher in visualization and computer graphics. His academic journey includes a M.Sc. in Systems Engineering and Computing from UFRJ (1988-1991) and a B.Sc. in Computer Science from UFRGS (1983-1987), along with a sabbatical at the University of Utah (2010-2011). Comba's research focuses on data and scientific visualization, visual analytics, computer graphics, and their applications in medical imaging, sports analytics, and pandemic response. His work bridges theoretical advances in multidimensional projections with practical applications in healthcare, oil and gas, and digital twins. Recent publications demonstrate his continued leadership in applying machine learning techniques to visualization problems, particularly in biomedical contexts. His publication record spans over three decades with consistent output through 2025, showing evolution from foundational computer graphics work to contemporary applications of AI in visualization. The publications reveal strong collaborations with researchers across Brazil and internationally, with particular emphasis on solving real-world problems through visual analytics. As an advisor, Comba has mentored numerous graduate students who have become active researchers in visualization and computer graphics, with several continuing to collaborate with him on publications. His research group at UFRGS appears to be particularly strong in medical visualization applications, as evidenced by multiple recent publications related to COVID-19 analysis and medical image processing.

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Melissa Lemos CavaliereView profile

Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Melissa Lemos Cavaliere serves as a Tenured Professor in the Department of Computer Science at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and holds a research position at the Tecgraf Institute. Her academic responsibilities include teaching undergraduate courses in Big Data & Streaming Systems and Web Development, with emphasis on practical implementation using technologies such as Cassandra, Kafka, HTML/CSS, JavaScript, Bootstrap, and Meteor. Her research and teaching focus centers on applied computing technologies, particularly real-time data processing, distributed systems, and full-stack web application development. Through project-based courses like Supervised Internship (Estágio Supervisionado), she guides students in building production-ready software solutions using modern frameworks and database systems including MongoDB, emphasizing industry-relevant software engineering practices. Professor Cavaliere actively supervises student projects through the Supervised Internship program where participants develop complete software solutions. Her work with Tecgraf Institute indicates involvement in applied research projects bridging academic theory and industrial implementation, though specific grant details are not documented in available sources. She maintains strong institutional ties with Tecgraf Institute at PUC-Rio, a research center specializing in computer graphics, interactive systems, and software development for both academic and industrial applications, contributing to technological innovation in Brazil's tech ecosystem.

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Alberto Barbosa RaposoView profile

Associate Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Alberto Barbosa Raposo is an Associate Professor at the Department of Computer Science, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), and a Project Manager at Tecgraf Institute. His research focuses on Human-Computer Interaction , Computer Graphics , and Virtual/Augmented Reality , applied to serious games, energy/oil industry, medicine, entertainment, and accessibility. Coordinates technical-scientific software development projects at Tecgraf Institute Collaborates with companies like Petrobras, Shell, GE, and Embraer Specializes in Image Processing and Computer Vision for medical applications Education: B.Sc., M.Sc., D.Sc. in Electrical Engineering from State University of Campinas (Unicamp) Scientific Awards: CNPq Level 1D Productivity Grant Laboratory & Industry Applications: Tecgraf Institute for Technical-Scientific Software Development

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Bruno FeijóView profile

Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Bruno Feijó serves as a Full Professor in the Computer Science Department at Pontifical Catholic University of Rio de Janeiro's Center for Technology and Sciences (CTC), where he directs the ICAD/VisionLab laboratory. His pioneering work established Brazil's academic foundation in Games and Digital Entertainment, previously unrecognized in higher education institutions. Feijó co-founded the Brazilian Symposium on Computer Games and Digital Entertainment (SBGames) and the Special Committee on Games within the Brazilian Computer Society. PhD in Computer Science, University of London/Imperial College (1988) Bachelor of Engineering, Instituto Tecnológico de Aeronáutica (ITA) (1975) Feijó's research bridges computer graphics, animation, and interactive media with practical applications in digital television, cinema, and educational technology. His interdisciplinary approach spans from high school vocational training programs to advanced research prototypes, influencing public policy in Brazil's creative industries. Current projects focus on real-time rendering techniques for broadcast media and game-based learning environments. CNPq Level 1D Research Productivity Grant (highest distinction for Brazilian scientists) With over 15 doctoral and 40 master's students mentored, Feijó's academic lineage includes entrepreneurs who secured venture capital for gaming startups. His educational innovations include co-designing Brazil's first vocational high school curriculum in multimedia at NAVE/Oi Futuro. As former editor of Elsevier's Media Technology book series, he shaped international discourse on emerging digital media platforms. The ICAD/VisionLab under his direction develops cutting-edge visualization systems used in television production pipelines and maintains partnerships with broadcast networks for digital cinema research. The laboratory serves as incubator for student projects that have won awards at SIGGRAPH and other premier venues.

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Marcelo GattassView profile

Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Marcelo Gattass is a Full Professor at the Computer Science Department of Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and currently serves as the Vice-Rector for Development Affairs. He has been a professor at PUC-Rio since 1975, initially in the Civil Engineering Department until 1992, and then moved to the Computer Science Department. He is also the Director of the Tecgraf Institute at PUC-Rio since 1987. Education: B.Sc. in Civil Engineering, PUC-Rio, 1975 M.Sc. in Structural Engineering, PUC-Rio, 1977 Ph.D. in Computer Graphics & Civil Engineering, Cornell University USA, 1982 Marcelo Gattass is considered a pioneer of computer graphics in Brazil. His research focuses on Graphics Processing with emphasis on Visualization, Numerical Simulation, Augmented Reality, Geometric Modeling, and Computer Vision. He applies these technologies to projects from his laboratory, assisting professionals in various sectors such as medicine and petroleum engineering. He has dedicated himself to the development of applied computing and plays a key role in PUC-Rio's relationship with Petrobras and the Brazilian energy sector. Scientific Awards: CNPq Level 1A Productivity Grant As Director of the Tecgraf Institute since 1987, Prof. Gattass has led numerous research and development projects. His work has established important connections between academia and industry, particularly with Petrobras and the Brazilian energy sector. He has been instrumental in applying computer graphics and vision technologies to solve real-world problems in medicine and petroleum engineering. Prof. Gattass is actively involved in teaching, currently offering courses such as INF1761 - Computer Graphics, INF 2064/1310 - Computer Vision, INF2608 - Foundations of Computer Graphics, and INF1010 - Advanced Data Structures. His laboratory collaborates with various sectors to apply computer graphics and vision technologies to practical problems.

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Paulo Ivson Netto SantosView profile

Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Paulo Ivson Netto Santos is a Professor in the Department of Computer Science at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and serves as a project manager at the Tecgraf Institute. His work bridges academic research and industrial application across Oil and Gas, Civil Construction, Manufacturing, and Logistics sectors. Educational background: Bachelor's in Computer Engineering (2006, PUC-Rio) Master's in Computer Science with emphasis on Computer Graphics (2008, PUC-Rio) PhD in Computer Science (2018, PUC-Rio) Research interests span Computer Graphics and Artificial Intelligence , with specialized focus on 3D Visualization, Computational Geometry, and Deep Learning applications. His work integrates Industry 4.0 and Building Information Modeling (BIM) concepts through the Genesis Institute to develop eco-sustainable Digital Twin solutions for construction and asset management. Professional engagements: Tecgraf Institute: Leads R&D&I projects in collaboration with Electrical Engineering, Industrial Engineering, and Civil Engineering departments Genesis Institute: Drives innovation in digital transformation for industrial lifecycle management Active in startup collaborations and cross-departmental initiatives at PUC-Rio

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Simone Diniz Junqueira BarbosaView profile

Associate Professor

Pontifical Catholic University of Rio de JaneiroBrazil

Simone Diniz Junqueira Barbosa is an Associate Professor at the Informatics Department of Pontifical Catholic University of Rio de Janeiro (PUC-Rio). She leads the IDEIAS-SERG lab, focusing on Human-Computer Interaction (HCI) and Information Visualization research. Her work spans model-based interactive systems design, visual analytics, digital storytelling, and AI techniques for improving system usability and accessibility. Her research explores: Model-based approaches for interactive systems Data science and visual analytics for complex datasets Digital storytelling techniques Accessibility and usability enhancement through AI Semiotic engineering foundations for HCI Publication analysis reveals strong emphasis on HCI methodologies, data visualization literacy, ethical AI development, and applications in legal informatics/industrial automation. Recent works focus increasingly on explainable AI, visualization cognition, and ethical ML practices. Awards & Honors: IFIP TC13 Pioneer Award (2019) Outstanding HCI Career Award (Brazilian Computer Society, 2020) Selo de Inovação SBC Innovation Award (2022) IFIP Fellow Award (2024) She has advised over 45 graduate students (PhD/MSc) and coordinates multiple labs including DasLab, ExACTa, and Americanas Futuro Lab. Funded projects include CNPq, FAPERJ, Microsoft Research, and Petrobras collaborations focusing on HCI innovations and data visualization tools. Leads the IDEIAS-SERG research group merging semiotic engineering with interaction design. Serves on steering committees for ACM CHI and IFIP TC13, previously co-edited ACM Interactions Magazine (2016-2019).

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