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Deep learning (DL) applied to breast tissue segmentation in magnetic resonance imaging (MRI) has received increased attention in the last decade, however, the domain shift which arises from different vendors, acquisition protocols, and…

In the domain adaptation problem, source data may be unavailable to the target client side due to privacy or intellectual property issues. Source-free unsupervised domain adaptation (SF-UDA) aims at adapting a model trained on the source…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Zheang Huai , Xinpeng Ding , Yi Li , Xiaomeng Li

Without access to the source data, source-free domain adaptation (SFDA) transfers knowledge from a source-domain trained model to target domains. Recently, SFDA has gained popularity due to the need to protect the data privacy of the source…

Machine Learning · Computer Science 2023-04-14 Haozhe Feng , Zhaorui Yang , Hesun Chen , Tianyu Pang , Chao Du , Minfeng Zhu , Wei Chen , Shuicheng Yan

Source-Free Domain Adaptation (SFDA) is emerging as a compelling solution for medical image segmentation under privacy constraints, yet current approaches often ignore sample difficulty and struggle with noisy supervision under domain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Quang-Khai Bui-Tran , Thanh-Huy Nguyen , Hoang-Thien Nguyen , Ba-Thinh Lam , Nguyen Lan Vi Vu , Phat K. Huynh , Ulas Bagci , Min Xu

Given the rapidly changing machine learning environments and expensive data labeling, semi-supervised domain adaptation (SSDA) is imperative when the labeled data from the source domain is statistically different from the partially labeled…

Machine Learning · Computer Science 2022-07-27 Madhureeta Das , Xianhao Chen , Xiaoyong Yuan , Lan Zhang

Domain adaptation is an important tool to transfer knowledge about a task (e.g. classification) learned in a source domain to a second, or target domain. Current approaches assume that task-relevant target-domain data is available during…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Kuan-Chuan Peng , Ziyan Wu , Jan Ernst

Existing learning-based methods for blind image quality assessment (BIQA) are heavily dependent on large amounts of annotated training data, and usually suffer from a severe performance degradation when encountering the domain/distribution…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jianzhao Liu , Xin Li , Shukun An , Zhibo Chen

The increasing adaptation of vision models across domains, such as satellite imagery and medical scans, has raised an emerging privacy risk: models may inadvertently retain and leak sensitive source-domain specific information in the target…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Arnav Devalapally , Poornima Jain , Kartik Srinivas , Vineeth N. Balasubramanian

When deploying pre-trained video object detectors in real-world scenarios, the domain gap between training and testing data caused by adverse image conditions often leads to performance degradation. Addressing this issue becomes…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Xingguang Zhang , Chih-Hsien Chou

Domain adaptation has shown appealing performance by leveraging knowledge from a source domain with rich annotations. However, for a specific target task, it is cumbersome to collect related and high-quality source domains. In real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Mengcheng Lan , Min Meng , Jun Yu , Jigang Wu

Facial Expression Recognition (FER) from videos is a crucial task in various application areas, such as human-computer interaction and health diagnosis and monitoring (e.g., assessing pain and depression). Beyond the challenges of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Masoumeh Sharafi , Emma Ollivier , Muhammad Osama Zeeshan , Soufiane Belharbi , Marco Pedersoli , Alessandro Lameiras Koerich , Simon Bacon , Eric Granger

Source-free Domain Adaptation (SFDA) aims to adapt a pre-trained source model to the unlabeled target domain without accessing the well-labeled source data, which is a much more practical setting due to the data privacy, security, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Sanqing Qu , Guang Chen , Jing Zhang , Zhijun Li , Wei He , Dacheng Tao

Unsupervised domain adaptation (UDA) has witnessed remarkable advancements in improving the accuracy of models for unlabeled target domains. However, the calibration of predictive uncertainty in the target domain, a crucial aspect of the…

Machine Learning · Computer Science 2023-07-17 Dapeng Hu , Jian Liang , Xinchao Wang , Chuan-Sheng Foo

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Unsupervised domain adaptation (UDA) approaches focus on adapting models trained on a labeled source domain to an unlabeled target domain. UDA methods have a strong assumption that the source data is accessible during adaptation, which may…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Nazmul Karim , Niluthpol Chowdhury Mithun , Abhinav Rajvanshi , Han-pang Chiu , Supun Samarasekera , Nazanin Rahnavard

Deep learning-based source dehazing methods trained on synthetic datasets have achieved remarkable performance but suffer from dramatic performance degradation on real hazy images due to domain shift. Although certain Domain Adaptation (DA)…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Hu Yu , Jie Huang , Yajing Liu , Qi Zhu , Man Zhou , Feng Zhao

With the advancement of autonomous driving, numerous annotated multi-modality datasets have become available. This presents an opportunity to develop domain-adaptive 3D object detectors for new environments without relying on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Xiaohu Lu , Hamed Khatounabadi , Hayder Radha

Research on unsupervised domain adaptation (UDA) for semantic segmentation of remote sensing images has been extensively conducted. However, research on how to achieve domain adaptation in practical scenarios where source domain data is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Wenjie Liu , Hongmin Liu , Lixin Zhang , Bin Fan

Automatic estimation of pain intensity from facial expressions in videos has an immense potential in health care applications. However, domain adaptation (DA) is needed to alleviate the problem of domain shifts that typically occurs between…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Gnana Praveen R , Eric Granger , Patrick Cardinal

Source-free domain-adaptive object detection is an interesting but scarcely addressed topic. It aims at adapting a source-pretrained detector to a distinct target domain without resorting to source data during adaptation. So far, there is…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Mohamed Lamine Mekhalfi , Davide Boscaini , Fabio Poiesi