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Unsupervised Domain Adaptation (UDA) endeavors to bridge the gap between a model trained on a labeled source domain and its deployment in an unlabeled target domain. However, current high-performance models demand significant resources,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Minhee Cho , Hyesong Choi , Hayeon Jo , Dongbo Min

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

Given labeled data in a source domain, unsupervised domain adaptation has been widely adopted to generalize models for unlabeled data in a target domain, whose data distributions are different. However, existing works are inapplicable to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Weiming Zhuang , Xin Gan , Yonggang Wen , Xuesen Zhang , Shuai Zhang , Shuai Yi

Person Re-identification (ReID) has been extensively studied in recent years due to the increasing demand in public security. However, collecting and dealing with sensitive personal data raises privacy concerns. Therefore, federated…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Jianfeng Weng , Kun Hu , Tingting Yao , Jingya Wang , Zhiyong Wang

Federated learning, a distributed learning paradigm, utilizes multiple clients to build a robust global model. In real-world applications, local clients often operate within their limited domains, leading to a `domain shift' across clients.…

Machine Learning · Computer Science 2024-07-12 Seunghan Yang , Seokeon Choi , Hyunsin Park , Sungha Choi , Simyung Chang , Sungrack Yun

Unsupervised domain adaptive person re-identification (UDA re-ID) aims at transferring the labeled source domain's knowledge to improve the model's discriminability on the unlabeled target domain. From a novel perspective, we argue that the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Yongxing Dai , Jun Liu , Yifan Sun , Zekun Tong , Chi Zhang , Ling-Yu Duan

Unsupervised domain adaptation for person re-identification (Person Re-ID) is the task of transferring the learned knowledge on the labeled source domain to the unlabeled target domain. Most of the recent papers that address this problem…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Hamza Rami , Matthieu Ospici , Stéphane Lathuilière

Federated Learning (FL) has recently emerged as a possible way to tackle the domain shift in real-world Semantic Segmentation (SS) without compromising the private nature of the collected data. However, most of the existing works on FL…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Donald Shenaj , Eros Fanì , Marco Toldo , Debora Caldarola , Antonio Tavera , Umberto Michieli , Marco Ciccone , Pietro Zanuttigh , Barbara Caputo

This paper introduces a novel dual-region augmentation approach designed to reduce reliance on large-scale labeled datasets while improving model robustness and adaptability across diverse computer vision tasks, including source-free domain…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Prasanna Reddy Pulakurthi , Majid Rabbani , Celso M. de Melo , Sohail A. Dianat , Raghuveer M. Rao

Unsupervised Domain Adaptation (UDA) is a learning technique that transfers knowledge learned in the source domain from labelled training data to the target domain with only unlabelled data. It is of significant importance to medical image…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Lingrui Li , Yanfeng Zhou , Ge Yang

Standard Unsupervised Domain Adaptation (UDA) methods assume the availability of both source and target data during the adaptation. In this work, we investigate Source-free Unsupervised Domain Adaptation (SF-UDA), a specific case of UDA…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Mattia Litrico , Alessio Del Bue , Pietro Morerio

Although unsupervised person re-identification (RE-ID) has drawn increasing research attentions due to its potential to address the scalability problem of supervised RE-ID models, it is very challenging to learn discriminative information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Hong-Xing Yu , Wei-Shi Zheng , Ancong Wu , Xiaowei Guo , Shaogang Gong , Jian-Huang Lai

Unsupervised Camouflaged Object Detection (UCOD) remains a challenging task due to the high intrinsic similarity between target objects and their surroundings, as well as the reliance on noisy pseudo-labels that hinder fine-grained texture…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Shuo Jiang , Gaojia Zhang , Min Tan , Yufei Yin , Gang Pan

Semantic segmentation provides pixel-level scene understanding essential for autonomous driving and fine-grained perception tasks. However, training segmentation models requires costly, labor-intensive annotations on real-world datasets.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Yerin Cheon , Aruna Balasubramanian , Francois Rameau

Unsupervised Domain Adaptation (UDA) for re-identification (re-ID) is a challenging task: to avoid a costly annotation of additional data, it aims at transferring knowledge from a domain with annotated data to a domain of interest with only…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Fabian Dubourvieux , Angélique Loesch , Romaric Audigier , Samia Ainouz , Stéphane Canu

We study unsupervised domain adaptation (UDA) for semantic segmentation. Currently, a popular UDA framework lies in self-training which endows the model with two-fold abilities: (i) learning reliable semantics from the labeled images in the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Xinyue Huo , Lingxi Xie , Wengang Zhou , Houqiang Li , Qi Tian

The use of pseudo-labels prevails in order to tackle Unsupervised Domain Adaptive (UDA) Re-Identification (re-ID) with the best performance. Indeed, this family of approaches has given rise to several UDA re-ID specific frameworks, which…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Fabian Dubourvieux , Romaric Audigier , Angélique Loesch , Samia Ainouz , Stéphane Canu

Unsupervised domain adaptation (UDA) with pre-trained language models (PrLM) has achieved promising results since these pre-trained models embed generic knowledge learned from various domains. However, fine-tuning all the parameters of the…

Computation and Language · Computer Science 2021-11-02 Rongsheng Zhang , Yinhe Zheng , Xiaoxi Mao , Minlie Huang

Person re-identification (re-ID), is a challenging task due to the high variance within identity samples and imaging conditions. Although recent advances in deep learning have achieved remarkable accuracy in settled scenes, i.e., source…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Fengxiang Yang , Ke Li , Zhun Zhong , Zhiming Luo , Xing Sun , Hao Cheng , Xiaowei Guo , Feiyue Huang , Rongrong Ji , Shaozi Li

Person re-identification (ReID) aims to re-identify a person from non-overlapping camera views. Since person ReID data contains sensitive personal information, researchers have adopted federated learning, an emerging distributed training…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-17 Weiming Zhuang , Yonggang Wen , Shuai Zhang
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