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Skyler Speakman

5 accepted papers

2023

Spatially Constrained Adversarial Attack Detection and Localization in the Representation Space of Optical Flow Networks

IJCAI 2023poster

Optical flow estimation have shown significant improvements with advances in deep neural networks. However, these flow networks have recently been shown to be vulnerable to patch-based adversarial attacks, which poses security risks in real-world applications, such as self-driving cars and robotics.…

Cited by 7SourcePDFScholar
2022

Towards Creativity Characterization of Generative Models via Group-Based Subset Scanning

IJCAI 2022poster

Deep generative models, such as Variational Autoencoders (VAEs) and Generative Adversarial Networks (GANs), have been employed widely in computational creativity research. However, such models discourage out-of-distribution generation to avoid spurious sample generation, thereby limiting their creat…

Cited by 4SourcePDFScholar
2020

Detecting Adversarial Attacks via Subset Scanning of Autoencoder Activations and Reconstruction Error

IJCAI 2020poster

Reliably detecting attacks in a given set of inputs is of high practical relevance because of the vulnerability of neural networks to adversarial examples. These altered inputs create a security risk in applications with real-world consequences, such as self-driving cars, robotics and financial ser…

Cited by 0SourcePDFScholar
2020

Inspection of Blackbox Models for Evaluating Vulnerability in Maternal, Newborn, and Child Health

IJCAI 2020poster

Improving maternal, newborn, and child health (MNCH) outcomes is a critical target for global sustainable development. Our research is centered on building predictive models, evaluating their interpretability, and generating actionable insights about the markers (features) and triggers (events) asso…

Cited by 0SourcePDFScholar
2020

Preservation of Anomalous Subgroups On Variational Autoencoder Transformed Data

ICASSP 2020accepted

We investigate the effect of variational autoencoder (VAE) based data anonymization and its ability to preserve anomalous subgroup properties. We present a Utility Guaranteed Deep Privacy (UGDP) system which casts existing anomalous pattern detection methods as a new utility measure for data synthes…

Cited by 0SourceScholar