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Domain adaptation aims at training a classifier in one dataset and applying it to a related but not identical dataset. One successfully used framework of domain adaptation is to learn a transformation to match both the distribution of the…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Xu Zhang , Felix Xinnan Yu , Shih-Fu Chang , Shengjin Wang

This paper proposes a deep-learning-based domain decomposition method (DeepDDM), which leverages deep neural networks (DNN) to discretize the subproblems divided by domain decomposition methods (DDM) for solving partial differential…

数值分析 · 数学 2020-04-13 Wuyang Li , Xueshuang Xiang , Yingxiang Xu

Deep Reinforcement Learning (DRL) has recently achieved significant advances in various domains. However, explaining the policy of RL agents still remains an open problem due to several factors, one being the complexity of explaining neural…

机器学习 · 计算机科学 2021-03-31 Zihan Ding , Pablo Hernandez-Leal , Gavin Weiguang Ding , Changjian Li , Ruitong Huang

In this paper, an innovative Physical Model-driven Neural Network (PMNN) method is proposed to solve time-fractional differential equations. It establishes a temporal iteration scheme based on physical model-driven neural networks which…

机器学习 · 计算机科学 2023-10-10 Zhiying Ma , Jie Hou , Wenhao Zhu , Yaxin Peng , Ying Li

Federated Learning (FL) enables many resource-limited devices to train a model collaboratively without data sharing. However, many existing works focus on model-homogeneous FL, where the global and local models are the same size, ignoring…

机器学习 · 计算机科学 2023-11-17 Hongda Wu , Ping Wang , C V Aswartha Narayana

Machine learning (ML)-based wildfire detection methods have been developed in recent years, primarily using deep learning (DL) models trained on large collections of wildfire images and videos. However, peatland fires exhibit distinct…

Solving partial differential equations (PDEs) on complex domains can present significant computational challenges. The Diffuse Domain Method (DDM) is an alternative that reformulates the partial differential equations on a larger, simpler…

数值分析 · 数学 2025-07-24 Luke Benfield , Andreas Dedner

In multi-label learning, each instance is associated with multiple labels and the crucial task is how to leverage label correlations in building models. Deep neural network methods usually jointly embed the feature and label information…

机器学习 · 计算机科学 2019-11-18 Liang Yang , Xi-Zhu Wu , Yuan Jiang , Zhi-Hua Zhou

Multi-layered representation is believed to be the key ingredient of deep neural networks especially in cognitive tasks like computer vision. While non-differentiable models such as gradient boosting decision trees (GBDTs) are the dominant…

机器学习 · 计算机科学 2020-07-07 Ji Feng , Yang Yu , Zhi-Hua Zhou

Two popular boosted decsion tree (BDT) methods, Adaptive BDT (AdaBDT) and Gradient BDT (GradBDT) are studied in the classification problem of separating signal from background assuming all trees are weak learners. The following results are…

数据分析、统计与概率 · 物理学 2018-11-13 Li-Gang Xia

Age estimation from facial images is typically cast as a nonlinear regression problem. The main challenge of this problem is the facial feature space w.r.t. ages is heterogeneous, due to the large variation in facial appearance across…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Wei Shen , Yilu Guo , Yan Wang , Kai Zhao , Bo Wang , Alan Yuille

A Siamese Deep Forest (SDF) is proposed in the paper. It is based on the Deep Forest or gcForest proposed by Zhou and Feng and can be viewed as a gcForest modification. It can be also regarded as an alternative to the well-known Siamese…

机器学习 · 统计学 2017-05-01 Lev V. Utkin , Mikhail A. Ryabinin

Quick global aggregation of effective distributed parameters is crucial to federated learning (FL), which requires adequate bandwidth for parameters communication and sufficient user data for local training. Otherwise, FL may cost excessive…

机器学习 · 计算机科学 2022-08-25 Tao Guo , Song Guo , Junxiao Wang , Wenchao Xu

Filter pruning and low-rank decomposition are two of the foundational techniques for structured compression. Although recent efforts have explored hybrid approaches aiming to integrate the advantages of both techniques, their performance…

机器学习 · 计算机科学 2023-09-26 Moonjung Eo , Suhyun Kang , Wonjong Rhee

Labeled time-series data is often expensive and difficult to obtain, making it challenging to train accurate machine learning models for real-world applications such as anomaly detection or fault diagnosis. The scarcity of labeled samples…

机器学习 · 计算机科学 2026-01-21 Tuomas Jalonen , Mohammad Al-Sa'd , Serkan Kiranyaz , Moncef Gabbouj

Federated learning has emerged as a promising distributed learning paradigm that facilitates collaborative learning among multiple parties without transferring raw data. However, most existing federated learning studies focus on either…

机器学习 · 计算机科学 2024-05-01 Qinbin Li , Chulin Xie , Xiaojun Xu , Xiaoyuan Liu , Ce Zhang , Bo Li , Bingsheng He , Dawn Song

Multi-Task Learning (MTL) has shown its importance at user products for fast training, data efficiency, reduced overfitting etc. MTL achieves it by sharing the network parameters and training a network for multiple tasks simultaneously.…

机器学习 · 计算机科学 2022-12-08 Brijraj Singh , Swati Gupta , Mayukh Das , Praveen Doreswamy Naidu , Sharan Kumar Allur

Traditional decision trees are limited by axis-orthogonal splits, which can perform poorly when true decision boundaries are oblique. While oblique decision tree methods address this limitation, they often face high computational costs,…

机器学习 · 计算机科学 2025-05-26 Siyu Wang , Kehui Yao

Federated Learning (FL), as a privacy-preserving machine learning paradigm, trains a global model across devices without exposing local data. However, resource heterogeneity and inevitable stragglers in wireless networks severely impact the…

分布式、并行与集群计算 · 计算机科学 2024-11-20 Youquan Xian , Xiaoyun Gan , Chuanjian Yao , Dongcheng Li , Peng Wang , Peng Liu , Ying Zhao

In this paper, we reformulate the forest representation learning approach as an additive model which boosts the augmented feature instead of the prediction. We substantially improve the upper bound of generalization gap from…

机器学习 · 计算机科学 2019-05-09 Shen-Huan Lv , Liang Yang , Zhi-Hua Zhou