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Source-free object detection (SFOD) aims to adapt a source-trained detector to an unlabeled target domain without access to the labeled source data. Current SFOD methods utilize a threshold-based pseudo-label approach in the adaptation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Zhihong Chen , Zilei Wang , Yixin Zhang

Domain adaptation solves image classification problems in the target domain by taking advantage of the labelled source data and unlabelled target data. Usually, the source and target domains share the same set of classes. As a special case,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Qian Wang , Fanlin Meng , Toby P. Breckon

Domain adaptation (DA) has drawn high interests for its capacity to adapt a model trained on labeled source data to perform well on unlabeled or weakly labeled target data from a different domain. Most common DA techniques require the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Mathilde Bateson , Hoel Kervadec , Jose Dolz , Herve Lombaert , Ismail Ben Ayed

Domain Adaptation (DA) targets at adapting a model trained over the well-labeled source domain to the unlabeled target domain lying in different distributions. Existing DA normally assumes the well-labeled source domain is class-wise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Tongxin Wang , Zhengming Ding , Wei Shao , Haixu Tang , Kun Huang

Weakly-supervised object localization (WSOL) has gained popularity over the last years for its promise to train localization models with only image-level labels. Since the seminal WSOL work of class activation mapping (CAM), the field has…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Junsuk Choe , Seong Joon Oh , Seungho Lee , Sanghyuk Chun , Zeynep Akata , Hyunjung Shim

Drones are employed in a growing number of visual recognition applications. A recent development in cell tower inspection is drone-based asset surveillance, where the autonomous flight of a drone is guided by localizing objects of interest…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

Universal domain adaptation (UniDA) aims to address domain and category shifts across data sources. Recently, due to more stringent data restrictions, researchers have introduced source-free UniDA (SF-UniDA). SF-UniDA methods eliminate the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xinghong Liu , Yi Zhou , Tao Zhou , Chun-Mei Feng , Ling Shao

Weakly supervised semantic segmentation (WSSS) in histopathology reduces pixel-level labeling by learning from image-level labels, but it is hindered by inter-class homogeneity, intra-class heterogeneity, and CAM-induced region shrinkage…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Khang Le , Anh Mai Vu , Thi Kim Trang Vo , Ha Thach , Ngoc Bui Lam Quang , Thanh-Huy Nguyen , Minh H. N. Le , Zhu Han , Chandra Mohan , Hien Van Nguyen

Domain adaptation aims to alleviate the domain shift when transferring the knowledge learned from the source domain to the target domain. Due to privacy issues, source-free domain adaptation (SFDA), where source data is unavailable during…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Jiamei Liu , Han Sun , Yizhen Jia , Jie Qin , Huiyu Zhou , Ningzhong Liu

Semi-supervised domain adaptation methods leverage information from a source labelled domain with the goal of generalizing over a scarcely labelled target domain. While this setting already poses challenges due to potential distribution…

Artificial Intelligence · Computer Science 2024-06-21 Cassio F. Dantas , Raffaele Gaetano , Dino Ienco

Source-free active domain adaptation (SFADA) enhances knowledge transfer from a source model to an unlabeled target domain using limited manual labels selected via active learning. While recent domain adaptation studies have introduced…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xi Chen , Hongxun Yao , Zhaopan Xu , Kui Jiang

Domain adaptation (DA) paves the way for label annotation and dataset bias issues by the knowledge transfer from a label-rich source domain to a related but unlabeled target domain. A mainstream of DA methods is to align the feature…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Shuang Li , Mixue Xie , Fangrui Lv , Chi Harold Liu , Jian Liang , Chen Qin , Wei Li

Domain adaptation is crucial for transferring the knowledge from the source labeled CT dataset to the target unlabeled MR dataset in abdominal multi-organ segmentation. Meanwhile, it is highly desirable to avoid the high annotation cost…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Jin Hong , Yu-Dong Zhang , Weitian Chen

Object detection is essential in space applications targeting Space Domain Awareness and also applications involving relative navigation scenarios. Current deep learning models for Object Detection in space applications are often trained on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Samet Hicsonmez , Abd El Rahman Shabayek , Arunkumar Rathinam , Djamila Aouada

Source-free domain adaptation (SFDA) alleviates the domain discrepancy among data obtained from domains without accessing the data for the awareness of data privacy. However, existing conventional SFDA methods face inherent limitations in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Yaxuan Song , Jianan Fan , Dongnan Liu , Weidong Cai

Deployment of Deep Neural Networks in medical imaging is hindered by distribution shift between training data and data processed after deployment, causing performance degradation. Post-Deployment Adaptation (PDA) addresses this by tailoring…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Felix Wagner , Zeju Li , Pramit Saha , Konstantinos Kamnitsas

Weakly-supervised object localization (WSOL) enables finding an object using a dataset without any localization information. By simply training a classification model using only image-level annotations, the feature map of the model can be…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Jeesoo Kim , Junsuk Choe , Sangdoo Yun , Nojun Kwak

Deep learning (DL) has been the primary approach used in various computer vision tasks due to its relevant results achieved on many tasks. However, on real-world scenarios with partially or no labeled data, DL methods are also prone to the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Lucas Fernando Alvarenga e Silva , Daniel Carlos Guimarães Pedronette , Fábio Augusto Faria , João Paulo Papa , Jurandy Almeida

Source-free domain adaptation (SFDA) for segmentation aims at adapting a model trained in the source domain to perform well in the target domain with only the source model and unlabeled target data. Inspired by the recent success of Segment…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Zheang Huai , Hui Tang , Yi Li , Zhuangzhuang Chen , Xiaomeng Li

Semi-supervised domain adaptation (SSDA) has been extensively researched due to its ability to improve classification performance and generalization ability of models by using a small amount of labeled data on the target domain. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Xinyang Huang , Chuang Zhu , Ruiying Ren , Shengjie Liu , Tiejun Huang
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