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Deep learning models trained on medical images from a source domain (e.g. imaging modality) often fail when deployed on images from a different target domain, despite imaging common anatomical structures. Deep unsupervised domain adaptation…

Image and Video Processing · Electrical Eng. & Systems 2019-08-14 Cheng Ouyang , Konstantinos Kamnitsas , Carlo Biffi , Jinming Duan , Daniel Rueckert

We propose a hypothesis disparity regularized mutual information maximization~(HDMI) approach to tackle unsupervised hypothesis transfer -- as an effort towards unifying hypothesis transfer learning (HTL) and unsupervised domain adaptation…

Machine Learning · Computer Science 2020-12-16 Qicheng Lao , Xiang Jiang , Mohammad Havaei

Unsupervised domain adaptation (UDA) adapts a model from a labeled source domain to an unlabeled target domain in a one-off way. Though widely applied, UDA faces a great challenge whenever the distribution shift between the source and the…

Machine Learning · Computer Science 2025-01-06 Yifei He , Haoxiang Wang , Bo Li , Han Zhao

Unsupervised domain adaptation (UDA) is to make predictions for unlabeled data on a target domain, given labeled data on a source domain whose distribution shifts from the target one. Mainstream UDA methods learn aligned features between…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Hui Tang , Ke Chen , Kui Jia

The recent prevalence of deep neural networks has lead semantic segmentation networks to achieve human-level performance in the medical field when sufficient training data is provided. Such networks however fail to generalize when tasked…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Serban Stan , Mohammad Rostami

Following the introduction of Adam, several novel adaptive optimizers for deep learning have been proposed. These optimizers typically excel in some tasks but may not outperform Adam uniformly across all tasks. In this work, we introduce…

Machine Learning · Computer Science 2024-06-18 Kaan Ozkara , Can Karakus , Parameswaran Raman , Mingyi Hong , Shoham Sabach , Branislav Kveton , Volkan Cevher

The removal of carefully-selected examples from training data has recently emerged as an effective way of improving the robustness of machine learning models. However, the best way to select these examples remains an open question. In this…

Machine Learning · Computer Science 2024-09-19 Andrea Napoli , Paul White

Person Re-Identification (ReID) across non-overlapping cameras is a challenging task and, for this reason, most works in the prior art rely on supervised feature learning from a labeled dataset to match the same person in different views.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Gabriel Bertocco , Fernanda Andaló , Anderson Rocha

Domain Adaptation (DA) techniques are important for overcoming the domain shift between the source domain used for training and the target domain where testing takes place. However, current DA methods assume that the entire target domain is…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Abu Md Niamul Taufique , Chowdhury Sadman Jahan , Andreas Savakis

One of the most well-known and simplest models for diversity maximization is the Max-Min Diversification (MMD) model, which has been extensively studied in the data mining and database literature. In this paper, we initiate the study of the…

Data Structures and Algorithms · Computer Science 2025-02-05 Iiro Kumpulainen , Florian Adriaens , Nikolaj Tatti

Domain generalization (DG) seeks to learn robust models that generalize well under unknown distribution shifts. As a critical aspect of DG, optimizer selection has not been explored in depth. Currently, most DG methods follow the widely…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Xingxuan Zhang , Renzhe Xu , Han Yu , Yancheng Dong , Pengfei Tian , Peng Cu

We propose two methods to make unsupervised domain adaptation (UDA) more parameter efficient using adapters, small bottleneck layers interspersed with every layer of the large-scale pre-trained language model (PLM). The first method…

Computation and Language · Computer Science 2023-02-17 Bhavitvya Malik , Abhinav Ramesh Kashyap , Min-Yen Kan , Soujanya Poria

In many practical applications, it is often difficult and expensive to obtain enough large-scale labeled data to train deep neural networks to their full capability. Therefore, transferring the learned knowledge from a separate, labeled…

Machine Learning · Computer Science 2020-02-28 Sicheng Zhao , Bo Li , Colorado Reed , Pengfei Xu , Kurt Keutzer

Unsupervised Domain Adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain in the presence of dataset shift. Most existing methods cannot address the domain alignment and class…

Machine Learning · Computer Science 2021-12-22 You-Wei Luo , Chuan-Xian Ren , Zi-Ying Chen

Unsupervised domain adaptation (UDA) has been successfully applied to transfer knowledge from a labeled source domain to target domains without their labels. Recently introduced transferable prototypical networks (TPN) further addresses…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Xiaofeng Liu , Fangxu Xing , Jia You , Jun Lu , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Fine-tuning and Domain Adaptation emerged as effective strategies for efficiently transferring deep learning models to new target tasks. However, target domain labels are not accessible in many real-world scenarios. This led to the…

Machine Learning · Computer Science 2023-02-13 Andrea Maracani , Raffaello Camoriano , Elisa Maiettini , Davide Talon , Lorenzo Rosasco , Lorenzo Natale

Deep learning has revolutionized the early detection of breast cancer, resulting in a significant decrease in mortality rates. However, difficulties in obtaining annotations and huge variations in distribution between training sets and real…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Yuxiang Yang , Xinyi Zeng , Pinxian Zeng , Binyu Yan , Xi Wu , Jiliu Zhou , Yan Wang

Reducing feature redundancy has shown beneficial effects for improving the accuracy of deep learning models, thus it is also indispensable for the models of unsupervised domain adaptation (UDA). Nevertheless, most recent efforts in the…

Machine Learning · Computer Science 2021-01-01 Mengzhu Wang , Xiang Zhang , Long Lan , Wei Wang , Huibin Tan , Zhigang Luo

Unsupervised Domain Adaptation (UDA) aims to harness labeled source data to train models for unlabeled target data. Despite extensive research in domains like computer vision and natural language processing, UDA remains underexplored for…

Machine Learning · Computer Science 2025-07-29 Hassan Ismail Fawaz , Ganesh Del Grosso , Tanguy Kerdoncuff , Aurelie Boisbunon , Illyyne Saffar

Unsupervised domain adaptation (UDA) enables cross-domain learning without target domain labels by transferring knowledge from a labeled source domain whose distribution differs from that of the target. However, UDA is not always successful…

Machine Learning · Computer Science 2021-11-04 Akshay Mehra , Bhavya Kailkhura , Pin-Yu Chen , Jihun Hamm