Search Results for author: Victoria Helus

Found 5 papers, 0 papers with code

Addressing Discrepancies in Semantic and Visual Alignment in Neural Networks

no code implementations1 Jun 2023 Natalie Abreu, Nathan Vaska, Victoria Helus

We evaluate whether the method increases semantic alignment by evaluating model performance on adversarially perturbed data, with the idea that it should be easier for an adversary to switch one class to a similarly represented class.

Data Augmentation Image Classification

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

no code implementations1 Jun 2023 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 reasoning capabilities.

Anomaly Detection Question Answering +2

Addressing Mistake Severity in Neural Networks with Semantic Knowledge

no code implementations21 Nov 2022 Natalie Abreu, Nathan Vaska, Victoria Helus

Most robust training techniques aim to improve model accuracy on perturbed inputs; as an alternate form of robustness, we aim to reduce the severity of mistakes made by neural networks in challenging conditions.

Semantic Similarity Semantic Textual Similarity

Fast Training of Deep Neural Networks Robust to Adversarial Perturbations

no code implementations8 Jul 2020 Justin Goodwin, Olivia Brown, Victoria Helus

Recent work in adversarial training, a form of robust optimization in which the model is optimized against adversarial examples, demonstrates the ability to improve performance sensitivities to perturbations and yield feature representations that are more interpretable.

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