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Domain generalisation aims to promote the learning of domain-invariant features while suppressing domain-specific features, so that a model can generalise better to previously unseen target domains. An approach to domain generalisation for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Karthik Seemakurthy , Erchan Aptoula , Charles Fox , Petra Bosilj

Recent reports suggest that a generic supervised deep CNN model trained on a large-scale dataset reduces, but does not remove, dataset bias on a standard benchmark. Fine-tuning deep models in a new domain can require a significant amount of…

Computer Vision and Pattern Recognition · Computer Science 2014-12-12 Eric Tzeng , Judy Hoffman , Ning Zhang , Kate Saenko , Trevor Darrell

The generalization of deep neural networks to unknown domains is a major challenge despite their tremendous progress in recent years. For this reason, the dynamic area of domain generalization (DG) has emerged. In contrast to unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Manuel Schwonberg , Hanno Gottschalk

Principal Component Analysis (PCA) is the workhorse tool for dimensionality reduction in this era of big data. While often overlooked, the purpose of PCA is not only to reduce data dimensionality, but also to yield features that are…

Machine Learning · Computer Science 2021-11-30 Arpita Gang , Waheed U. Bajwa

Domain adaption (DA) and domain generalization (DG) are two closely related methods which are both concerned with the task of assigning labels to an unlabeled data set. The only dissimilarity between these approaches is that DA can access…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

Modern on-device neural network applications must operate under resource constraints while adapting to unpredictable domain shifts. However, this combined challenge-model compression and domain adaptation-remains largely unaddressed, as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Yoojin Kwon , Hongjun Suh , Wooseok Lee , Taesik Gong , Songyi Han , Hyung-Sin Kim

Improving the generalization ability of Deep Neural Networks (DNNs) is critical for their practical uses, which has been a longstanding challenge. Some theoretical studies have uncovered that DNNs have preferences for some frequency…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Shiqi Lin , Zhizheng Zhang , Zhipeng Huang , Yan Lu , Cuiling Lan , Peng Chu , Quanzeng You , Jiang Wang , Zicheng Liu , Amey Parulkar , Viraj Navkal , Zhibo Chen

Real-world data distributions often shift continuously across multiple latent factors such as time, geography, and socioeconomic contexts. However, existing domain generalization approaches typically treat domains as discrete or as evolving…

Machine Learning · Statistics 2025-10-30 Zekun Cai , Yiheng Yao , Guangji Bai , Renhe Jiang , Xuan Song , Ryosuke Shibasaki , Liang Zhao

Graph neural networks (GNN) are an effective framework that exploit inter-relationships within graph-structured data for learning. Principal component analysis (PCA) involves the projection of data on the eigenspace of the covariance matrix…

Machine Learning · Computer Science 2023-01-18 Saurabh Sihag , Gonzalo Mateos , Corey McMillan , Alejandro Ribeiro

Domain generalization (DG) aims to learn from multiple known source domains a model that can generalize well to unknown target domains. The existing DG methods usually exploit the fusion of shared multi-source data to train a generalizable…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Junkun Yuan , Xu Ma , Defang Chen , Fei Wu , Lanfen Lin , Kun Kuang

In the context of single domain generalisation, the objective is for models that have been exclusively trained on data from a single domain to demonstrate strong performance when confronted with various unfamiliar domains. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Anastasios Arsenos , Dimitrios Kollias , Evangelos Petrongonas , Christos Skliros , Stefanos Kollias

PCANet was proposed as a lightweight deep learning network that mainly leverages Principal Component Analysis (PCA) to learn multistage filter banks followed by binarization and block-wise histograming. PCANet was shown worked surprisingly…

Computer Vision and Pattern Recognition · Computer Science 2016-04-27 Cong Jie Ng , Andrew Beng Jin Teoh

This paper addresses classification tasks on a particular target domain in which labeled training data are only available from source domains different from (but related to) the target. Two closely related frameworks, domain adaptation and…

Computer Vision and Pattern Recognition · Computer Science 2016-07-28 Muhammad Ghifary , David Balduzzi , W. Bastiaan Kleijn , Mengjie Zhang

Principal Component Analysis (PCA) and its nonlinear extension Kernel PCA (KPCA) are widely used across science and industry for data analysis and dimensionality reduction. Modern deep learning tools have achieved great empirical success,…

Machine Learning · Computer Science 2023-02-23 Francesco Tonin , Qinghua Tao , Panagiotis Patrinos , Johan A. K. Suykens

Machine learning models that can generalize to unseen domains are essential when applied in real-world scenarios involving strong domain shifts. We address the challenging domain generalization (DG) problem, where a model trained on a set…

Machine Learning · Computer Science 2022-10-04 Ahmed Frikha , Denis Krompaß , Volker Tresp

Domain Generalization (DG) research has gained considerable traction as of late, since the ability to generalize to unseen data distributions is a requirement that eludes even state-of-the-art training algorithms. In this paper we observe…

Machine Learning · Computer Science 2025-07-22 Aristotelis Ballas , Christos Diou

Machine learning models fail to perform when facing out-of-distribution (OOD) domains, a challenging task known as domain generalization (DG). In this work, we develop a novel DG training strategy, we call PGrad, to learn a robust gradient…

Machine Learning · Computer Science 2023-05-03 Zhe Wang , Jake Grigsby , Yanjun Qi

Deep learning models have exhibited exceptional effectiveness in Computational Pathology (CPath) by tackling intricate tasks across an array of histology image analysis applications. Nevertheless, the presence of out-of-distribution data…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Mostafa Jahanifar , Manahil Raza , Kesi Xu , Trinh Vuong , Rob Jewsbury , Adam Shephard , Neda Zamanitajeddin , Jin Tae Kwak , Shan E Ahmed Raza , Fayyaz Minhas , Nasir Rajpoot

In this paper, we consider domain-invariant deep learning by explicitly modeling domain shifts with only a small amount of domain-specific parameters in a Convolutional Neural Network (CNN). By exploiting the observation that a…

Machine Learning · Computer Science 2020-09-30 Ze Wang , Xiuyuan Cheng , Guillermo Sapiro , Qiang Qiu

Domain generalization (DG) aims to learn from multiple source domains a model that can generalize well on unseen target domains. Existing DG methods mainly learn the representations with invariant marginal distribution of the input…

Machine Learning · Computer Science 2023-05-26 Junkun Yuan , Xu Ma , Ruoxuan Xiong , Mingming Gong , Xiangyu Liu , Fei Wu , Lanfen Lin , Kun Kuang