Search Results for author: Xiaoyu He

Found 12 papers, 4 papers with code

ExMAG: Learning of Maximally Ancestral Graphs

no code implementations11 Mar 2025 Petr Ryšavý, Pavel Rytíř, Xiaoyu He, Georgios Korpas, Jakub Mareček

Stochastic processes are represented by its vertices, and weighted oriented edges suggest the strength of the causal relationships.

Consistent Diffusion: Denoising Diffusion Model with Data-Consistent Training for Image Restoration

no code implementations17 Dec 2024 Xinlong Cheng, Tiantian Cao, Guoan Cheng, BangXuan Huang, Xinghan Tian, Ye Wang, Xiaoyu He, Weixin Li, Tianfan Xue, Xuan Dong

In this work, we address the limitations of denoising diffusion models (DDMs) in image restoration tasks, particularly the shape and color distortions that can compromise image quality.

Denoising Image Generation +1

A Historical Trajectory Assisted Optimization Method for Zeroth-Order Federated Learning

no code implementations24 Sep 2024 Chenlin Wu, Xiaoyu He, Zike Li, Jing Gong, Zibin Zheng

In this work, we propose a non-isotropic sampling method to improve the gradient estimation procedure.

Federated Learning

Long-Range Vision-Based UAV-assisted Localization for Unmanned Surface Vehicles

no code implementations21 Aug 2024 Waseem Akram, Siyuan Yang, Hailiang Kuang, Xiaoyu He, Muhayy ud Din, Yihao Dong, Defu Lin, Lakmal Seneviratne, Shaoming He, Irfan Hussain

The global positioning system (GPS) has become an indispensable navigation method for field operations with unmanned surface vehicles (USVs) in marine environments.

Causal Learning in Biomedical Applications: A Benchmark

1 code implementation21 Jun 2024 Petr Ryšavý, Xiaoyu He, Jakub Mareček

Learning causal relationships between a set of variables is a challenging problem in computer science.

Time Series

Joint Problems in Learning Multiple Dynamical Systems

no code implementations3 Nov 2023 Mengjia Niu, Xiaoyu He, Petr Ryšavý, Quan Zhou, Jakub Marecek

Clustering of time series is a well-studied problem, with applications ranging from quantitative, personalized models of metabolism obtained from metabolite concentrations to state discrimination in quantum information theory.

Clustering Time Series

Distributed Evolution Strategies for Black-box Stochastic Optimization

no code implementations9 Apr 2022 Xiaoyu He, Zibin Zheng, Chuan Chen, Yuren Zhou, Chuan Luo, QIngwei Lin

This work concerns the evolutionary approaches to distributed stochastic black-box optimization, in which each worker can individually solve an approximation of the problem with nature-inspired algorithms.

Evolutionary Algorithms

MMES: Mixture Model based Evolution Strategy for Large-Scale Optimization

1 code implementation15 Mar 2022 Xiaoyu He, Zibin Zheng, Yuren Zhou

This work provides an efficient sampling method for the covariance matrix adaptation evolution strategy (CMA-ES) in large-scale settings.

global-optimization

A Decentralized Federated Learning Framework via Committee Mechanism with Convergence Guarantee

2 code implementations1 Aug 2021 Chunjiang Che, XiaoLi Li, Chuan Chen, Xiaoyu He, Zibin Zheng

In addition, we theoretically analyze and prove the convergence of CMFL under different election and selection strategies, which coincides with the experimental results.

Federated Learning

Blind Inverse Gamma Correction with Maximized Differential Entropy

1 code implementation5 Jul 2020 Yong Lee, Shaohua Zhang, Miao Li, Xiaoyu He

Unwanted nonlinear gamma distortion frequently occurs in a great diversity of images during the procedures of image acquisition, processing, and/or display.

Image Restoration

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