Search Results for author: Haotian Gu

Found 12 papers, 3 papers with code

FedCore: Straggler-Free Federated Learning with Distributed Coresets

1 code implementation31 Jan 2024 Hongpeng Guo, Haotian Gu, Xiaoyang Wang, Bo Chen, Eun Kyung Lee, Tamar Eilam, Deming Chen, Klara Nahrstedt

Federated learning (FL) is a machine learning paradigm that allows multiple clients to collaboratively train a shared model while keeping their data on-premise.

Federated Learning

Transportation Marketplace Rate Forecast Using Signature Transform

no code implementations10 Jan 2024 Haotian Gu, Xin Guo, Timothy L. Jacobs, Philip Kaminsky, Xinyu Li

Freight transportation marketplace rates are typically challenging to forecast accurately.

Time Series

Risk of Transfer Learning and its Applications in Finance

no code implementations6 Nov 2023 Haoyang Cao, Haotian Gu, Xin Guo, Mathieu Rosenbaum

Transfer learning is an emerging and popular paradigm for utilizing existing knowledge from previous learning tasks to improve the performance of new ones.

Portfolio Optimization Transfer Learning

Transfer Learning for Portfolio Optimization

no code implementations25 Jul 2023 Haoyang Cao, Haotian Gu, Xin Guo, Mathieu Rosenbaum

In particular, 1. a strong correlation between the transfer risk and the overall performance of transfer learning methods is established, underscoring the significance of transfer risk as a viable indicator of "transferability"; 2. transfer risk is shown to provide a computationally efficient way to identify appropriate source tasks in transfer learning, enhancing the efficiency and effectiveness of the transfer learning approach; 3. additionally, the numerical experiments offer valuable new insights for portfolio management across these different settings.

Management Portfolio Optimization +1

Feasibility of Transfer Learning: A Mathematical Framework

no code implementations22 May 2023 Haoyang Cao, Haotian Gu, Xin Guo

Transfer learning is a popular paradigm for utilizing existing knowledge from previous learning tasks to improve the performance of new ones.

Domain Adaptation Image Classification +1

Feasibility and Transferability of Transfer Learning: A Mathematical Framework

no code implementations27 Jan 2023 Haoyang Cao, Haotian Gu, Xin Guo, Mathieu Rosenbaum

In this paper we build for the first time, to the best of our knowledge, a mathematical framework for the general procedure of transfer learning.

Transfer Learning

Automated Quality Controlled Analysis of 2D Phase Contrast Cardiovascular Magnetic Resonance Imaging

no code implementations28 Sep 2022 Emily Chan, Ciaran O'Hanlon, Carlota Asegurado Marquez, Marwenie Petalcorin, Jorge Mariscal-Harana, Haotian Gu, Raymond J. Kim, Robert M. Judd, Phil Chowienczyk, Julia A. Schnabel, Reza Razavi, Andrew P. King, Bram Ruijsink, Esther Puyol-Antón

Flow analysis carried out using phase contrast cardiac magnetic resonance imaging (PC-CMR) enables the quantification of important parameters that are used in the assessment of cardiovascular function.

AI-enabled Assessment of Cardiac Systolic and Diastolic Function from Echocardiography

1 code implementation21 Mar 2022 Esther Puyol-Antón, Bram Ruijsink, Baldeep S. Sidhu, Justin Gould, Bradley Porter, Mark K. Elliott, Vishal Mehta, Haotian Gu, Miguel Xochicale, Alberto Gomez, Christopher A. Rinaldi, Martin Cowie, Phil Chowienczyk, Reza Razavi, Andrew P. King

In this work we propose for the first time an AI approach for deriving advanced biomarkers of systolic and diastolic LV function from 2-D echocardiography based on segmentations of the full cardiac cycle.

Management

Adversarial Training for Gradient Descent: Analysis Through its Continuous-time Approximation

no code implementations17 May 2021 Haotian Gu, Xin Guo, Xinyu Li

Adversarial training has gained great popularity as one of the most effective defenses for deep neural network and more generally for gradient-based machine learning models against adversarial perturbations on data points.

Mean-Field Controls with Q-learning for Cooperative MARL: Convergence and Complexity Analysis

no code implementations10 Feb 2020 Haotian Gu, Xin Guo, Xiaoli Wei, Renyuan Xu

Multi-agent reinforcement learning (MARL), despite its popularity and empirical success, suffers from the curse of dimensionality.

Multi-agent Reinforcement Learning Q-Learning

An efficient model reduction method for solving viscous G-equations in incompressible cellular flows

1 code implementation24 Dec 2018 Haotian Gu, Jack Xin, Zhiwen Zhang

To facilitate the algorithm design and convergence analysis, we decompose the solution of the viscous G-equation into a mean-free part and a mean part, where their evolution equations can be derived accordingly.

Numerical Analysis 65M12, 70H20, 76F25, 78M34, 80A25

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