activity
20222025
collaborators

5 papers

cs.LG2025

Reducing the Sensitivity of Neural Physics Simulators to Mesh Topology via Pretraining

Nathan Vaska, Justin Goodwin, Robin Walters +1

Meshes are used to represent complex objects in high fidelity physics simulators across a variety of domains, such as radar sensing and aerodynamics. There is growing interest in u…

cs.CV2023

Addressing Discrepancies in Semantic and Visual Alignment in Neural Networks

Natalie Abreu, Nathan Vaska, Victoria Helus

For the task of image classification, neural networks primarily rely on visual patterns. In robust networks, we would expect for visually similar classes to be represented similarl…

cs.LG2023

Evaluating the Capabilities of Multi-modal Reasoning Models with Synthetic Task Data

Nathan Vaska, Victoria Helus

The impressive advances and applications of large language and joint language-and-visual understanding models has led to an increased need for methods of probing their potential re…

cs.LG2022

Addressing Mistake Severity in Neural Networks with Semantic Knowledge

Natalie Abreu, Nathan Vaska, Victoria Helus

Robustness in deep neural networks and machine learning algorithms in general is an open research challenge. In particular, it is difficult to ensure algorithmic performance is mai…

cs.LG2022

Context-Dependent Anomaly Detection with Knowledge Graph Embedding Models

Nathan Vaska, Kevin Leahy, Victoria Helus

Increasing the semantic understanding and contextual awareness of machine learning models is important for improving robustness and reducing susceptibility to data shifts. In this…