activity
20162022
most citedPoisoning Deep Reinforcement Learning Agents with In-Distribution Triggers

11 citations · 11 across the 5 of their papers we have counts for

collaborators

10 papers

cs.CV2022

Context-Adaptive Deep Neural Networks via Bridge-Mode Connectivity

Nathan Drenkow, Alvin Tan, Chace Ashcraft +1

The deployment of machine learning models in safety-critical applications comes with the expectation that such models will perform well over a range of contexts (e.g., a vision mod…

cs.LG2021

Machine Learning aided Crop Yield Optimization

Chace Ashcraft, Kiran Karra

We present a crop simulation environment with an OpenAI Gym interface, and apply modern deep reinforcement learning (DRL) algorithms to optimize yield. We empirically show that DRL…

cs.LG202111 cited

Poisoning Deep Reinforcement Learning Agents with In-Distribution Triggers

Chace Ashcraft, Kiran Karra

In this paper, we propose a new data poisoning attack and apply it to deep reinforcement learning agents. Our attack centers on what we call in-distribution triggers, which are tri…

eess.AS2021

Speaker Diarization using Two-pass Leave-One-Out Gaussian PLDA Clustering of DNN Embeddings

Kiran Karra, Alan McCree

Many modern systems for speaker diarization, such as the recently-developed VBx approach, rely on clustering of DNN speaker embeddings followed by resegmentation. Two problems with…

eess.SY2020

Probabilistic Load-Margin Assessment using Vine Copula and Gaussian Process Emulation

Yijun Xu, Kiran Karra, Lamine Mili +3

The increasing penetration of renewable energy along with the variations of the loads bring large uncertainties in the power system states that are threatening the security of powe…

cs.LG2020

The TrojAI Software Framework: An OpenSource tool for Embedding Trojans into Deep Learning Models

Kiran Karra, Chace Ashcraft, Neil Fendley

In this paper, we introduce the TrojAI software framework, an open source set of Python tools capable of generating triggered (poisoned) datasets and associated deep learning (DL)…