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Domain adaptation, a pivotal branch of transfer learning, aims to enhance the performance of machine learning models when deployed in target domains with distinct data distributions. This is particularly critical for object detection tasks,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Helia Mohamadi , Mohammad Ali Keyvanrad , Mohammad Reza Mohammadi

Unsupervised domain adaptation (UDA) aims to address the domain-shift problem between a labeled source domain and an unlabeled target domain. Many efforts have been made to address the mismatch between the distributions of training and…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Pingyang Dai , Peixian Chen , Qiong Wu , Xiaopeng Hong , Qixiang Ye , Qi Tian , Rongrong Ji

Unsupervised domain adaptation (UDA) intends to transfer knowledge from a labeled source domain to an unlabeled target domain. Many current methods focus on learning feature representations that are both discriminative for classification…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Fuxiang Huang , Suqi Song , Lei Zhang

Recapturing and rebroadcasting of images are common attack methods in insurance frauds and face identification spoofing, and an increasing number of detection techniques were introduced to handle this problem. However, most of them ignored…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Jinian Luo , Jie Guo , Weidong Qiu , Zheng Huang , Hong Hui

We present a novel approach for unsupervised domain adaptation (UDA) for natural images. A commonly-used objective for UDA schemes is to enhance domain alignment in representation space even if there is a domain shift in the input space.…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Ravi Kant Gupta , Shounak Das , Amit Sethi

In search of robust and generalizable machine learning models, Domain Generalization (DG) has gained significant traction during the past few years. The goal in DG is to produce models which continue to perform well when presented with data…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Aristotelis Ballas , Christos Diou

Domain Generalization (DG) is a fundamental challenge for machine learning models, which aims to improve model generalization on various domains. Previous methods focus on generating domain invariant features from various source domains.…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Daoan Zhang , Mingkai Chen , Chenming Li , Lingyun Huang , Jianguo Zhang

Deep learning frameworks allowed for a remarkable advancement in semantic segmentation, but the data hungry nature of convolutional networks has rapidly raised the demand for adaptation techniques able to transfer learned knowledge from…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Marco Toldo , Umberto Michieli , Pietro Zanuttigh

Breakthroughs in unsupervised domain adaptation (uDA) can help in adapting models from a label-rich source domain to unlabeled target domains. Despite these advancements, there is a lack of research on how uDA algorithms, particularly those…

机器学习 · 计算机科学 2021-12-28 Shaoduo Gan , Akhil Mathur , Anton Isopoussu , Fahim Kawsar , Nadia Berthouze , Nicholas Lane

We address the problem of federated domain generalization in an unsupervised setting for the first time. We first theoretically establish a connection between domain shift and alignment of gradients in unsupervised federated learning and…

机器学习 · 计算机科学 2025-01-06 Farhad Pourpanah , Mahdiyar Molahasani , Milad Soltany , Michael Greenspan , Ali Etemad

Domain generalization (DG) serves as a promising solution to handle person Re-Identification (Re-ID), which trains the model using labels from the source domain alone, and then directly adopts the trained model to the target domain without…

信息检索 · 计算机科学 2020-07-28 Peixian Chen , Pingyang Dai , Jianzhuang Liu , Feng Zheng , Qi Tian , Rongrong Ji

In domain adaptation (DA), the effectiveness of deep learning-based models is often constrained by batch learning strategies that fail to fully apprehend the global statistical and geometric characteristics of data distributions. Addressing…

机器学习 · 计算机科学 2025-02-11 Lingkun Luo , Shiqiang Hu , Liming Chen

Previous feature alignment methods in Unsupervised domain adaptation(UDA) mostly only align global features without considering the mismatch between class-wise features. In this work, we propose a new coarse-to-fine feature alignment method…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Shiyu Tang , Peijun Tang , Yanxiang Gong , Zheng Ma , Mei Xie

Despite recent advancements in deep learning, deep neural networks continue to suffer from performance degradation when applied to new data that differs from training data. Test-time adaptation (TTA) aims to address this challenge by…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sanghun Jung , Jungsoo Lee , Nanhee Kim , Amirreza Shaban , Byron Boots , Jaegul Choo

Existing unsupervised domain adaptation methods based on adversarial learning have achieved good performance in several medical imaging tasks. However, these methods focus only on global distribution adaptation and ignore distribution…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Wei Feng , Lin Wang , Lie Ju , Xin Zhao , Xin Wang , Xiaoyu Shi , Zongyuan Ge

This paper presents a novel unsupervised domain adaptation framework, called Synergistic Image and Feature Adaptation (SIFA), to effectively tackle the problem of domain shift. Domain adaptation has become an important and hot topic in…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Cheng Chen , Qi Dou , Hao Chen , Jing Qin , Pheng-Ann Heng

Recent advancements in keypoint detection and descriptor extraction have shown impressive performance in local feature learning tasks. However, existing methods generally exhibit suboptimal performance under extreme conditions such as…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Jingtai He , Gehao Zhang , Tingting Liu , Songlin Du

Domain generalization aims to enhance the model robustness against domain shift without accessing the target domain. Since the available source domains for training are limited, recent approaches focus on generating samples of novel…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Seogkyu Jeon , Kibeom Hong , Pilhyeon Lee , Jewook Lee , Hyeran Byun

Prior Unsupervised Domain Adaptation (UDA) methods often aim to train a domain-invariant feature extractor, which may hinder the model from learning sufficiently discriminative features. To tackle this, a line of works based on prompt…

机器学习 · 计算机科学 2025-04-02 Hoang Phan , Lam Tran , Quyen Tran , Trung Le

Unsupervised Domain Adaptation (UDA) refers to the method that utilizes annotated source domain data and unlabeled target domain data to train a model capable of generalizing to the target domain data. Domain discrepancy leads to a…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Ting Li , Jianshu Chao , Deyu An