activity
20152022
most citedA Topological Regularizer for Classifiers via Persistent Homology

53 citations · 114 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2022★ 1 cited

Offline Reinforcement Learning with Closed-Form Policy Improvement Operators

Jiachen Li, Edwin Zhang, Ming Yin +3

Behavior constrained policy optimization has been demonstrated to be a successful paradigm for tackling Offline Reinforcement Learning. By exploiting historical transitions, a poli…

cs.LG2022

Generalized Tangent Kernel: A Unified Geometric Foundation for Natural Gradient and Standard Gradient

Qinxun Bai, Steven Rosenberg, Wei Xu

Natural gradients have been widely studied from both theoretical and empirical perspectives, and it is commonly believed that natural gradients have advantages over standard (Eucli…

cs.LG2021★ 1 cited

Off-policy Reinforcement Learning with Optimistic Exploration and Distribution Correction

Jiachen Li, Shuo Cheng, Zhenyu Liao +3

Improving the sample efficiency of reinforcement learning algorithms requires effective exploration. Following the principle of (OFU)…

cs.LG2021

Generative Particle Variational Inference via Estimation of Functional Gradients

Neale Ratzlaff, Qinxun Bai, Li Fuxin +1

Recently, particle-based variational inference (ParVI) methods have gained interest because they can avoid arbitrary parametric assumptions that are common in variational inference…

cs.CV2019★ 5 cited

Siamese Natural Language Tracker: Tracking by Natural Language Descriptions with Siamese Trackers

Qi Feng, Vitaly Ablavsky, Qinxun Bai +1

We propose a novel Siamese Natural Language Tracker (SNLT), which brings the advancements in visual tracking to the tracking by natural language (NL) descriptions task. The propose…

cs.LG2019★ 4 cited

Implicit Generative Modeling for Efficient Exploration

Neale Ratzlaff, Qinxun Bai, Li Fuxin +1

Efficient exploration remains a challenging problem in reinforcement learning, especially for those tasks where rewards from environments are sparse. A commonly used approach for e…