Search Results for author: Ming Shi

Found 7 papers, 0 papers with code

Theoretical Hardness and Tractability of POMDPs in RL with Partial Online State Information

no code implementations14 Jun 2023 Ming Shi, Yingbin Liang, Ness Shroff

However, existing theoretical results have shown that learning in POMDPs is intractable in the worst case, where the main challenge lies in the lack of latent state information.

Self-training with dual uncertainty for semi-supervised medical image segmentation

no code implementations10 Apr 2023 Zhanhong Qiu, Haitao Gan, Ming Shi, Zhongwei Huang, Zhi Yang

In the field of semi-supervised medical image segmentation, the shortage of labeled data is the fundamental problem.

Image Segmentation Segmentation +2

HD-GCN:A Hybrid Diffusion Graph Convolutional Network

no code implementations31 Mar 2023 Zhi Yang, Kang Li, Haitao Gan, Zhongwei Huang, Ming Shi

HD-GCN utilizes hybrid diffusion by combining information diffusion between neighborhood nodes in the feature space and adjacent nodes in the adjacency matrix.

Near-Optimal Adversarial Reinforcement Learning with Switching Costs

no code implementations8 Feb 2023 Ming Shi, Yingbin Liang, Ness Shroff

Our lower bound indicates that, due to the fundamental challenge of switching costs in adversarial RL, the best achieved regret (whose dependency on $T$ is $\tilde{O}(\sqrt{T})$) in static RL with switching costs (as well as adversarial RL without switching costs) is no longer achievable.

reinforcement-learning Reinforcement Learning (RL)

A Near-Optimal Algorithm for Safe Reinforcement Learning Under Instantaneous Hard Constraints

no code implementations8 Feb 2023 Ming Shi, Yingbin Liang, Ness Shroff

In many applications of Reinforcement Learning (RL), it is critically important that the algorithm performs safely, such that instantaneous hard constraints are satisfied at each step, and unsafe states and actions are avoided.

reinforcement-learning Reinforcement Learning (RL) +1

Transfer Learning Application of Self-supervised Learning in ARPES

no code implementations23 Aug 2022 Sandy Adhitia Ekahana, Genta Indra Winata, Y. Soh, Gabriel Aeppli, Radovic Milan, Ming Shi

Recent development in angle-resolved photoemission spectroscopy (ARPES) technique involves spatially resolving samples while maintaining the high-resolution feature of momentum space.

Few-Shot Learning Self-Supervised Learning +1

Invertible Mask Network for Face Privacy-Preserving

no code implementations19 Apr 2022 Yang Yang, Yiyang Huang, Ming Shi, Kejiang Chen, Weiming Zhang, Nenghai Yu

Then, put the "Mask" face onto the protected face and generate the masked face, in which the masked face is indistinguishable from "Mask" face.

Privacy Preserving

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