Search Results for author: Yi Xiong

Found 18 papers, 2 papers with code

FetusMapV2: Enhanced Fetal Pose Estimation in 3D Ultrasound

no code implementations30 Oct 2023 Chaoyu Chen, Xin Yang, Yuhao Huang, Wenlong Shi, Yan Cao, Mingyuan Luo, Xindi Hu, Lei Zhue, Lequan Yu, Kejuan Yue, Yuanji Zhang, Yi Xiong, Dong Ni, Weijun Huang

However, accurately estimating the 3D fetal pose in US volume has several challenges, including poor image quality, limited GPU memory for tackling high dimensional data, symmetrical or ambiguous anatomical structures, and considerable variations in fetal poses.

Pose Estimation Self-Supervised Learning

SESNet: sequence-structure feature-integrated deep learning method for data-efficient protein engineering

no code implementations29 Dec 2022 Mingchen Li, Liqi Kang, Yi Xiong, Yu Guang Wang, Guisheng Fan, Pan Tan, Liang Hong

Here, we develop SESNet, a supervised deep-learning model to predict the fitness for protein mutants by leveraging both sequence and structure information, and exploiting attention mechanism.

Data Augmentation

Weakly-supervised High-fidelity Ultrasound Video Synthesis with Feature Decoupling

no code implementations1 Jul 2022 Jiamin Liang, Xin Yang, Yuhao Huang, Kai Liu, Xinrui Zhou, Xindi Hu, Zehui Lin, Huanjia Luo, Yuanji Zhang, Yi Xiong, Dong Ni

First, leveraging the advantages of self- and fully-supervised learning, our proposed system is trained in weakly-supervised manner for keypoint detection.

Keypoint Detection Vocal Bursts Intensity Prediction

Fine-grained Correlation Loss for Regression

no code implementations1 Jul 2022 Chaoyu Chen, Xin Yang, Ruobing Huang, Xindi Hu, Yankai Huang, Xiduo Lu, Xinrui Zhou, Mingyuan Luo, Yinyu Ye, Xue Shuang, Juzheng Miao, Yi Xiong, Dong Ni

In this work, we propose to revisit the classic regression tasks with novel investigations on directly optimizing the fine-grained correlation losses.

Attribute Image Quality Assessment +3

Privacy-Preserved Average Consensus Algorithms with Edge-based Additive Perturbations

no code implementations6 Sep 2021 Yi Xiong, Zhongkui Li

In the scrambling phase, each agent is required to generate some perturbation signals and add them to the edges leading out of it.

Debiasing Samples from Online Learning Using Bootstrap

no code implementations31 Jul 2021 Ningyuan Chen, Xuefeng Gao, Yi Xiong

It has been recently shown in the literature that the sample averages from online learning experiments are biased when used to estimate the mean reward.

Off-policy evaluation Thompson Sampling

Sublinear Regret for Learning POMDPs

no code implementations8 Jul 2021 Yi Xiong, Ningyuan Chen, Xuefeng Gao, Xiang Zhou

We study the model-based undiscounted reinforcement learning for partially observable Markov decision processes (POMDPs).

reinforcement-learning Reinforcement Learning (RL)

Regime Switching Bandits

no code implementations NeurIPS 2021 Xiang Zhou, Yi Xiong, Ningyuan Chen, Xuefeng Gao

We study a multi-armed bandit problem where the rewards exhibit regime switching.

Agent with Warm Start and Active Termination for Plane Localization in 3D Ultrasound

1 code implementation10 Oct 2019 Haoran Dou, Xin Yang, Jikuan Qian, Wufeng Xue, Hao Qin, Xu Wang, Lequan Yu, Shujun Wang, Yi Xiong, Pheng-Ann Heng, Dong Ni

In this study, we propose a novel reinforcement learning (RL) framework to automatically localize fetal brain standard planes in 3D US.

Reinforcement Learning (RL)

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