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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

In this paper, we make two contributions to unsupervised domain adaptation (UDA) using the convolutional neural network (CNN). First, our approach transfers knowledge in all the convolutional layers through attention alignment. Most…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Guoliang Kang , Liang Zheng , Yan Yan , Yi Yang

Class imbalance remains a significant challenge in machine learning, particularly for tabular data classification tasks. While Gradient Boosting Decision Trees (GBDT) models have proven highly effective for such tasks, their performance can…

Machine Learning · Computer Science 2024-07-22 Jiaqi Luo , Yuan Yuan , Shixin Xu

Unsupervised domain adaptation (UDA) enables models trained on a labeled source domain to handle new unlabeled domains. Recently, pre-trained vision-language models (VLMs) have demonstrated promising zero-shot performance by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Xinyao Li , Jingjing Li , Zhekai Du , Lei Zhu , Heng Tao Shen

Unsupervised Domain Adaptation (UDA) aims to harness labeled source data to train models for unlabeled target data. Despite extensive research in domains like computer vision and natural language processing, UDA remains underexplored for…

Machine Learning · Computer Science 2025-07-29 Hassan Ismail Fawaz , Ganesh Del Grosso , Tanguy Kerdoncuff , Aurelie Boisbunon , Illyyne Saffar

Modern deep neural networks can easily overfit to biased training data containing corrupted labels or class imbalance. Sample re-weighting methods are popularly used to alleviate this data bias issue. Most current methods, however, require…

Machine Learning · Computer Science 2023-05-02 Jun Shu , Xiang Yuan , Deyu Meng , Zongben Xu

Extensive studies on Unsupervised Domain Adaptation (UDA) have propelled the deployment of deep learning from limited experimental datasets into real-world unconstrained domains. Most UDA approaches align features within a common embedding…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Wenxuan Ma , Jinming Zhang , Shuang Li , Chi Harold Liu , Yulin Wang , Wei Li

Semantic segmentation is a fundamental computer vision task with a vast number of applications. State of the art methods increasingly rely on deep learning models, known to incorrectly estimate uncertainty and being overconfident in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Luís Almeida , Inês Dutra , Francesco Renna

Data imbalance is a common problem in machine learning that can have a critical effect on the performance of a model. Various solutions exist but their impact on the convergence of the learning dynamics is not understood. Here, we elucidate…

Machine Learning · Statistics 2024-02-20 Emanuele Francazi , Marco Baity-Jesi , Aurelien Lucchi

Semantic segmentation networks, which are essential for robotic perception, often suffer from performance degradation when the visual distribution of the deployment environment differs from that of the source dataset on which they were…

Robotics · Computer Science 2026-02-17 Michele Antonazzi , Lorenzo Signorelli , Matteo Luperto , Nicola Basilico

Unsupervised domain adaptation (UDA) aims at learning a machine learning model using a labeled source domain that performs well on a similar yet different, unlabeled target domain. UDA is important in many applications such as medicine,…

Machine Learning · Computer Science 2023-02-08 Yilmazcan Ozyurt , Stefan Feuerriegel , Ce Zhang

Unsupervised domain adaptation (UDA) has become increasingly prevalent in scene text recognition (STR), especially where training and testing data reside in different domains. The efficacy of existing UDA approaches tends to degrade when…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Kha Nhat Le , Hoang-Tuan Nguyen , Hung Tien Tran , Thanh Duc Ngo

Multimodal Domain Generalization (MMDG) leverages the complementary strengths of multiple modalities to enhance model generalization on unseen domains. A central challenge in multimodal learning is optimization imbalance, where modalities…

Machine Learning · Computer Science 2026-03-17 Hongzhao Li , Guohao Shen , Shupan Li , Mingliang Xu , Muhammad Haris Khan

Unsupervised domain adaptation (UDA) plays a crucial role in addressing distribution shifts in machine learning. In this work, we improve the theoretical foundations of UDA proposed in Acuna et al. (2021) by refining their…

Machine Learning · Statistics 2024-10-29 Ziqiao Wang , Yongyi Mao

Domain Generalization (DG) research has gained considerable traction as of late, since the ability to generalize to unseen data distributions is a requirement that eludes even state-of-the-art training algorithms. In this paper we observe…

Machine Learning · Computer Science 2025-07-22 Aristotelis Ballas , Christos Diou

Deep learning has revolutionized the early detection of breast cancer, resulting in a significant decrease in mortality rates. However, difficulties in obtaining annotations and huge variations in distribution between training sets and real…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Yuxiang Yang , Xinyi Zeng , Pinxian Zeng , Binyu Yan , Xi Wu , Jiliu Zhou , Yan Wang

Unlike images and natural language tokens, time series data is highly semantically sparse, resulting in labor-intensive label annotations. Unsupervised and Semi-supervised Domain Adaptation (UDA and SSDA) have demonstrated efficiency in…

Machine Learning · Computer Science 2024-10-10 Gang Tu , Dan Li , Bingxin Lin , Zibin Zheng , See-Kiong Ng

Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

Computation and Language · Computer Science 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu

Human beings can quickly adapt to environmental changes by leveraging learning experience. However, adapting deep neural networks to dynamic environments by machine learning algorithms remains a challenge. To better understand this issue,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Shixiang Tang , Peng Su , Dapeng Chen , Wanli Ouyang

We consider unsupervised domain adaptation: given labelled examples from a source domain and unlabelled examples from a related target domain, the goal is to infer the labels of target examples. Under the assumption that features from…

Machine Learning · Statistics 2019-01-08 Jeroen Manders , Twan van Laarhoven , Elena Marchiori