On the Properties of Kullback-Leibler Divergence Between Multivariate Gaussian Distributions

no code implementations • 10 Feb 2021 • Yufeng Zhang, Wanwei Liu, Zhenbang Chen, Ji Wang, Kenli Li

Importantly, all the bounds in the theorems presented in this paper are independent of the dimension $n$.

Anomaly Detection Safe Reinforcement Learning

MosAIc: Finding Artistic Connections across Culture with Conditional Image Retrieval

2 code implementations • 14 Jul 2020 • Mark Hamilton, Stephanie Fu, Mindren Lu, Johnny Bui, Darius Bopp, Zhenbang Chen, Felix Tran, Margaret Wang, Marina Rogers, Lei Zhang, Chris Hoder, William T. Freeman

We introduce MosAIc, an interactive web app that allows users to find pairs of semantically related artworks that span different cultures, media, and millennia.

Image Retrieval Retrieval +1

Kullback-Leibler Divergence-Based Out-of-Distribution Detection with Flow-Based Generative Models

no code implementations • 9 Feb 2020 • Yufeng Zhang, Jialu Pan, Wanwei Liu, Zhenbang Chen, Ji Wang, Zhiming Liu, Kenli Li, Hongmei Wei

For point-wise anomaly detection, our method achieves 90. 7\% AUROC on average and outperforms the baseline by 5. 2\% AUROC.

Group Anomaly Detection Out-of-Distribution Detection

Boosting the Robustness Verification of DNN by Identifying the Achilles's Heel

no code implementations • 17 Nov 2018 • Chengdong Feng, Zhenbang Chen, Weijiang Hong, Hengbiao Yu, Wei Dong, Ji Wang

How to ensure the safety of DNN-based system is a critical problem for the research and application of DNN.