4 papers
Domain Generalization for Smartphone-Based Human Activity Recognition: A Systematic Analysis of Components and Interactions
Otávio Oliveira Napoli, Edson Borin
Smartphone-based Human Activity Recognition (HAR) models often degrade under distribution shifts caused by changes in users, devices, sensor placements, environments, and acquisiti…
A General-Purpose Diversified 2D Seismic Image Dataset from NAMSS
Lucas de Magalhães Araujo, Otávio Oliveira Napoli, Sandra Avila +1
We introduce the Unicamp-NAMSS dataset, a large, diverse, and geographically distributed collection of migrated 2D seismic sections designed to support modern machine learning rese…
Accelerating Multi-attribute Unsupervised Seismic Facies Analysis With RAPIDS
Otávio O. Napoli, Vanderson Martins do Rosario, João Paulo Navarro +2
Classification of seismic facies is done by clustering seismic data samples based on their attributes. Year after year, 3D datasets used by exploration geophysics increase in size,…
Fast and Low-cost Search for Efficient Cloud Configurations for HPC Workloads
Vanderson Martins Do Rosario, Thais A. Silva Camacho, Otávio O. Napoli +1
The use of cloud computational resources has become increasingly important for companies and researchers to access on-demand and at any moment high-performance resources. However,…