Search Results for author: Zheng Xiong

Found 12 papers, 3 papers with code

SplAgger: Split Aggregation for Meta-Reinforcement Learning

no code implementations5 Mar 2024 Jacob Beck, Matthew Jackson, Risto Vuorio, Zheng Xiong, Shimon Whiteson

However, it remains unclear whether task inference sequence models are beneficial even when task inference objectives are not.

Continuous Control Meta Reinforcement Learning +2

Distilling Morphology-Conditioned Hypernetworks for Efficient Universal Morphology Control

no code implementations9 Feb 2024 Zheng Xiong, Risto Vuorio, Jacob Beck, Matthieu Zimmer, Kun Shao, Shimon Whiteson

Learning a universal policy across different robot morphologies can significantly improve learning efficiency and enable zero-shot generalization to unseen morphologies.

Zero-shot Generalization

Recurrent Hypernetworks are Surprisingly Strong in Meta-RL

1 code implementation NeurIPS 2023 Jacob Beck, Risto Vuorio, Zheng Xiong, Shimon Whiteson

While many specialized meta-RL methods have been proposed, recent work suggests that end-to-end learning in conjunction with an off-the-shelf sequential model, such as a recurrent network, is a surprisingly strong baseline.

Few-Shot Learning Reinforcement Learning (RL)

Decentralized Multi-agent Reinforcement Learning based State-of-Charge Balancing Strategy for Distributed Energy Storage System

no code implementations29 Aug 2023 Zheng Xiong, Biao Luo, Bing-Chuan Wang, Xiaodong Xu, Xiaodong Liu, TingWen Huang

Specifically, the first-order average consensus algorithm is utilized to expand the observations of the DESS state in a fully-decentralized way, and the initial actions (i. e., output power) are decided by the agents (i. e., energy storage units) according to these observations.

counterfactual Multi-agent Reinforcement Learning

Single-View View Synthesis with Self-Rectified Pseudo-Stereo

no code implementations19 Apr 2023 Yang Zhou, Hanjie Wu, Wenxi Liu, Zheng Xiong, Jing Qin, Shengfeng He

In this way, the challenging novel view synthesis process is decoupled into two simpler problems of stereo synthesis and 3D reconstruction.

3D Reconstruction Novel View Synthesis

Universal Morphology Control via Contextual Modulation

1 code implementation22 Feb 2023 Zheng Xiong, Jacob Beck, Shimon Whiteson

Learning a universal policy across different robot morphologies can significantly improve learning efficiency and generalization in continuous control.

Continuous Control

A Survey of Meta-Reinforcement Learning

no code implementations19 Jan 2023 Jacob Beck, Risto Vuorio, Evan Zheran Liu, Zheng Xiong, Luisa Zintgraf, Chelsea Finn, Shimon Whiteson

Meta-RL is most commonly studied in a problem setting where, given a distribution of tasks, the goal is to learn a policy that is capable of adapting to any new task from the task distribution with as little data as possible.

Meta Reinforcement Learning reinforcement-learning +1

Glance to Count: Learning to Rank with Anchors for Weakly-supervised Crowd Counting

no code implementations29 May 2022 Zheng Xiong, Liangyu Chai, Wenxi Liu, Yongtuo Liu, Sucheng Ren, Shengfeng He

To enable training under this new setting, we convert the crowd count regression problem to a ranking potential prediction problem.

Crowd Counting Learning-To-Rank

On the Practical Consistency of Meta-Reinforcement Learning Algorithms

no code implementations1 Dec 2021 Zheng Xiong, Luisa Zintgraf, Jacob Beck, Risto Vuorio, Shimon Whiteson

We further find that theoretically inconsistent algorithms can be made consistent by continuing to update all agent components on the OOD tasks, and adapt as well or better than originally consistent ones.

Meta-Learning Meta Reinforcement Learning +3

Graph Policy Network for Transferable Active Learning on Graphs

1 code implementation NeurIPS 2020 Shengding Hu, Zheng Xiong, Meng Qu, Xingdi Yuan, Marc-Alexandre Côté, Zhiyuan Liu, Jian Tang

Graph neural networks (GNNs) have been attracting increasing popularity due to their simplicity and effectiveness in a variety of fields.

Active Learning

A Deep Learning Algorithm for One-step Contour Aware Nuclei Segmentation of Histopathological Images

no code implementations7 Mar 2018 Yuxin Cui, Guiying Zhang, Zhonghao Liu, Zheng Xiong, Jianjun Hu

A nucleus-boundary model is introduced to predict nuclei and their boundaries simultaneously using a fully convolutional neural network.

Data Augmentation Segmentation +1

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