Research: Image processing
Selected publications and research artifacts tagged Image processing.
2024
Extracting Learning Analytics from Lightbot Gameplay Sessions
Simpósio Brasileiro de Jogos e Entretenimento Digital (SBGames), 2024
Uses Lightbot gameplay sessions as a source of learning analytics, connecting game interactions with evidence about computational thinking and player progress.
2020
A Shader-Based Architecture for Virtual Reality Applications on Mobile Devices
International Conference on Human-Computer Interaction, 2020
Investigates shader-centered architecture decisions for mobile VR applications, balancing rendering flexibility with mobile performance needs.
Automatic contrast evaluation for Android themes
International Conference on Human-Computer Interaction, 2020
Automates contrast checks for Android themes, turning accessibility-sensitive visual review into a repeatable validation workflow.
An Automatic Contrast Validation Approach for Smartphone Themes
Conference on Graphics, Patterns and Images (SIBGRAPI), 2020
Extends the theme-validation work with an approach focused on automatically detecting contrast issues in smartphone visual themes.
2019
Visual assessment of equirectangular images for virtual reality applications in Unity
Conference on Graphics, Patterns and Images (SIBGRAPI), 2019
Builds a Unity-centered workflow for assessing equirectangular image quality in VR applications, with attention to visual inspection and production use.
Themes validation tool
International Conference on Human-Computer Interaction, 2019
Introduces tooling for validating visual themes, especially where interface consistency and accessibility checks need to be automated.
Equirectangular image quality assessment tool integrated into the Unity editor
International Conference on Human-Computer Interaction, 2019
Integrates image quality assessment into the Unity editor, bringing research inspection closer to the practical workflow of VR content creation.
2018
Ferramenta de Avaliação de Qualidade de Imagens Equiretangulares Integrada no Editor Unity
ENCOSIS, 2018
An earlier version of the Unity editor tooling for evaluating equirectangular images, tying VR content quality to daily development practice.
2014
Handwritten digit recognition using SVM binary classifiers and unbalanced decision trees
International Conference Image Analysis and Recognition, 2014
Combines binary SVM classifiers with unbalanced decision trees for handwritten digit recognition, focusing on classifier structure and hit rate.
Reconhecimento de dígitos manuscritos: busca de um classificador com máxima taxa de acerto
Universidade Federal do Amazonas, 2014
Master's dissertation on handwritten digit recognition, classifier search, and maximum recognition accuracy.