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Unsupervised domain adaptation (UDA) is the task of modifying a statistical model trained on labeled data from a source domain to achieve better performance on data from a target domain, with access to only unlabeled data in the target…

Computation and Language · Computer Science 2023-04-06 Timothy A Miller

Current state-of-the-art object detectors can have significant performance drop when deployed in the wild due to domain gaps with training data. Unsupervised Domain Adaptation (UDA) is a promising approach to adapt models for new…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Fuxun Yu , Di Wang , Yinpeng Chen , Nikolaos Karianakis , Tong Shen , Pei Yu , Dimitrios Lymberopoulos , Sidi Lu , Weisong Shi , Xiang Chen

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

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

Unsupervised domain adaptation (UDA) has successfully addressed the domain shift problem for visual applications. Yet, these approaches may have limited performance for time series data due to the following reasons. First, they mainly rely…

Machine Learning · Computer Science 2022-07-19 Mohamed Ragab , Emadeldeen Eldele , Zhenghua Chen , Min Wu , Chee-Keong Kwoh , Xiaoli Li

We introduce an unsupervised domain adaption (UDA) strategy that combines multiple image translations, ensemble learning and self-supervised learning in one coherent approach. We focus on one of the standard tasks of UDA in which a semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Fabrizio J. Piva , Gijs Dubbelman

Unsupervised domain adaptive (UDA) person re-identification (ReID) has gained increasing attention for its effectiveness on the target domain without manual annotations. Most fine-tuning based UDA person ReID methods focus on encoding…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Jin Ding , Xue Zhou

Unsupervised domain adaptation (UDA) plays a crucial role in object detection when adapting a source-trained detector to a target domain without annotated data. In this paper, we propose a novel and effective four-step UDA approach that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Mohamed L. Mekhalfi , Davide Boscaini , Fabio Poiesi

Deep learning models are sensitive to domain shift phenomena. A model trained on images from one domain cannot generalise well when tested on images from a different domain, despite capturing similar anatomical structures. It is mainly…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Sulaiman Vesal , Mingxuan Gu , Ronak Kosti , Andreas Maier , Nishant Ravikumar

Scene understanding is a pivotal task for autonomous vehicles to safely navigate in the environment. Recent advances in deep learning enable accurate semantic reconstruction of the surroundings from LiDAR data. However, these models…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Borna Bešić , Nikhil Gosala , Daniele Cattaneo , Abhinav Valada

Unsupervised domain adaptation (UDA) is a pivotal form in machine learning to extend the in-domain model to the distinctive target domains where the data distributions differ. Most prior works focus on capturing the inter-domain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Zhiqing Xiao , Haobo Wang , Ying Jin , Lei Feng , Gang Chen , Fei Huang , Junbo Zhao

Unsupervised Domain Adaptation (UDA) aims to leverage a label-rich source domain to solve tasks on a related unlabeled target domain. It is a challenging problem especially when a large domain gap lies between the source and target domains.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Tao Sun , Cheng Lu , Tianshuo Zhang , Haibin Ling

Methods for unsupervised domain adaptation (UDA) help to improve the performance of deep neural networks on unseen domains without any labeled data. Especially in medical disciplines such as histopathology, this is crucial since large…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Kevin Thandiackal , Luigi Piccinelli , Pushpak Pati , Orcun Goksel

In this paper, we present a direct adaptation strategy (ADAS), which aims to directly adapt a single model to multiple target domains in a semantic segmentation task without pretrained domain-specific models. To do so, we design a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Seunghun Lee , Wonhyeok Choi , Changjae Kim , Minwoo Choi , Sunghoon Im

Despite the recent progress in deep learning based computer vision, domain shifts are still one of the major challenges. Semantic segmentation for autonomous driving faces a wide range of domain shifts, e.g. caused by changing weather…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Manuel Schwonberg , Claus Werner , Hanno Gottschalk , Carsten Meyer

Unsupervised Domain Adaptation for Remote Sensing Semantic Segmentation (UDA-RSSeg) addresses the challenge of adapting a model trained on source domain data to target domain samples, thereby minimizing the need for annotated data across…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Shuchang Lyu , Qi Zhao , Guangliang Cheng , Yiwei He , Zheng Zhou , Guangbiao Wang , Zhenwei Shi

Monocular depth estimation (MDE) has attracted intense study due to its low cost and critical functions for robotic tasks such as localization, mapping and obstacle detection. Supervised approaches have led to great success with the advance…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Shao-Yuan Lo , Wei Wang , Jim Thomas , Jingjing Zheng , Vishal M. Patel , Cheng-Hao Kuo

Most existing studies on unsupervised domain adaptation (UDA) assume that each domain's training samples come with domain labels (e.g., painting, photo). Samples from each domain are assumed to follow the same distribution and the domain…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Zhongying Deng , Kaiyang Zhou , Da Li , Junjun He , Yi-Zhe Song , Tao Xiang

End-to-end automatic speech recognition (ASR) usually suffers from performance degradation when applied to a new domain due to domain shift. Unsupervised domain adaptation (UDA) aims to improve the performance on the unlabeled target domain…

Computation and Language · Computer Science 2023-02-23 Jiaming Zhou , Shiwan Zhao , Ning Jiang , Guoqing Zhao , Yong Qin

Unsupervised domain adaptation (UDA) involves a supervised loss in a labeled source domain and an unsupervised loss in an unlabeled target domain, which often faces more severe overfitting (than classical supervised learning) as the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu