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The performance of a machine learning model degrades when it is applied to data from a similar but different domain than the data it has initially been trained on. To mitigate this domain shift problem, domain adaptation (DA) techniques…

机器学习 · 计算机科学 2024-10-08 Felix Ott , David Rügamer , Lucas Heublein , Bernd Bischl , Christopher Mutschler

A dominant approach for addressing unsupervised domain adaptation is to map data points for the source and the target domains into an embedding space which is modeled as the output-space of a shared deep encoder. The encoder is trained to…

机器学习 · 计算机科学 2022-09-30 Mohammad Rostami

Domain shift caused by, e.g., different geographical regions or acquisition conditions is a common issue in machine learning for global scale satellite image processing. A promising method to address this problem is domain adaptation, where…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Fahong Zhang , Yilei Shi , Xiao Xiang Zhu

In this paper, we propose Factorized Adversarial Networks (FAN) to solve unsupervised domain adaptation problems for image classification tasks. Our networks map the data distribution into a latent feature space, which is factorized into a…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Jian Ren , Jianchao Yang , Ning Xu , David J. Foran

The phenomenon of data distribution evolving over time has been observed in a range of applications, calling the needs of adaptive learning algorithms. We thus study the problem of supervised gradual domain adaptation, where labeled data…

机器学习 · 计算机科学 2022-11-15 Jing Dong , Shiji Zhou , Baoxiang Wang , Han Zhao

Autonomous systems (AS) often use Deep Neural Network (DNN) classifiers to allow them to operate in complex, high-dimensional, non-linear, and dynamically changing environments. Due to the complexity of these environments, DNN classifiers…

机器学习 · 计算机科学 2024-08-16 Abanoub Ghobrial , Xuan Zheng , Darryl Hond , Hamid Asgari , Kerstin Eder

This paper presents a novel multi-task learning-based method for unsupervised domain adaptation. Specifically, the source and target domain classifiers are jointly learned by considering the geometry of target domain and the divergence…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jing Zhang , Wanqing Li , Philip Ogunbona

Domain adaptation (DA) is a representation learning methodology that transfers knowledge from a label-sufficient source domain to a label-scarce target domain. While most of early methods are focused on unsupervised DA (UDA), several…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Yoonhyung Kim , Changick Kim

Despite their success in various vision tasks, deep neural network architectures often underperform in out-of-distribution scenarios due to the difference between training and target domain style. To address this limitation, we introduce…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Robin Gerster , Holger Caesar , Matthias Rapp , Alexander Wolpert , Michael Teutsch

In this work, we present an approach for unsupervised domain adaptation (DA) with the constraint, that the labeled source data are not directly available, and instead only access to a classifier trained on the source data is provided. Our…

Object detectors frequently encounter significant performance degradation when confronted with domain gaps between collected data (source domain) and data from real-world applications (target domain). To address this task, numerous…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Jianhong Han , Liang Chen , Yupei Wang

Despite their success in many computer vision tasks, convolutional networks tend to require large amounts of labeled data to achieve generalization. Furthermore, the performance is not guaranteed on a sample from an unseen domain at test…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Ozan Ciga , Jianan Chen , Anne Martel

A basic assumption of statistical learning theory is that train and test data are drawn from the same underlying distribution. Unfortunately, this assumption doesn't hold in many applications. Instead, ample labeled data might exist in a…

计算机视觉与模式识别 · 计算机科学 2012-11-21 Oscar Beijbom

Collecting well-annotated image datasets to train modern machine learning algorithms is prohibitively expensive for many tasks. One appealing alternative is rendering synthetic data where ground-truth annotations are generated…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Konstantinos Bousmalis , Nathan Silberman , David Dohan , Dumitru Erhan , Dilip Krishnan

A novel approach for unsupervised domain adaptation for neural networks is proposed. It relies on metric-based regularization of the learning process. The metric-based regularization aims at domain-invariant latent feature representations…

In the presence of large sets of labeled data, Deep Learning (DL) has accomplished extraordinary triumphs in the avenue of computer vision, particularly in object classification and recognition tasks. However, DL cannot always perform well…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

In classification tasks, the classification accuracy diminishes when the data is gathered in different domains. To address this problem, in this paper, we investigate several adversarial models for domain adaptation (DA) and their effect on…

声音 · 计算机科学 2023-09-08 Stanisław Kacprzak , Konrad Kowalczyk

Unsupervised domain adaptation (UDA) typically carries out knowledge transfer from a label-rich source domain to an unlabeled target domain by adversarial learning. In principle, existing UDA approaches mainly focus on the global…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Hui Wang , Jian Tian , Songyuan Li , Hanbin Zhao , Qi Tian , Fei Wu , Xi Li

Deep learning based medical image diagnosis has shown great potential in clinical medicine. However, it often suffers two major difficulties in practice: 1) only limited labeled samples are available due to expensive annotation costs over…

机器学习 · 计算机科学 2019-11-19 Yifan Zhang , Ying Wei , Peilin Zhao , Shuaicheng Niu , Qingyao Wu , Mingkui Tan , Junzhou Huang

Open compound domain adaptation (OCDA) has emerged as a practical adaptation setting which considers a single labeled source domain against a compound of multi-modal unlabeled target data in order to generalize better on novel unseen…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Jogendra Nath Kundu , Akshay Kulkarni , Suvaansh Bhambri , Varun Jampani , R. Venkatesh Babu