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A classifier trained on a dataset seldom works on other datasets obtained under different conditions due to domain shift. This problem is commonly addressed by domain adaptation methods. In this work we introduce a novel deep learning…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Subhankar Roy , Aliaksandr Siarohin , Enver Sangineto , Samuel Rota Bulo , Nicu Sebe , Elisa Ricci

Semi-supervised domain adaptation is a technique to build a classifier for a target domain by modifying a classifier in another (source) domain using many unlabeled samples and a small number of labeled samples from the target domain. In…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Shota Harada , Ryoma Bise , Kengo Araki , Akihiko Yoshizawa , Kazuhiro Terada , Mariyo Kurata , Naoki Nakajima , Hiroyuki Abe , Tetsuo Ushiku , Seiichi Uchida

Although unsupervised domain adaptation (UDA) is a promising direction to alleviate domain shift, they fall short of their supervised counterparts. In this work, we investigate relatively less explored semi-supervised domain adaptation…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Hritam Basak , Zhaozheng Yin

Unsupervised domain adaptation aims to transfer the classifier learned from the source domain to the target domain in an unsupervised manner. With the help of target pseudo-labels, aligning class-level distributions and learning the…

机器学习 · 计算机科学 2019-06-11 Dong-Dong Chen , Yisen Wang , Jinfeng Yi , Zaiyi Chen , Zhi-Hua Zhou

The performance of machine learning algorithms is known to be negatively affected by possible mismatches between training (source) and test (target) data distributions. In fact, this problem emerges whenever an acoustic scene classification…

音频与语音处理 · 电气工程与系统科学 2020-05-04 Alessandro Ilic Mezza , Emanuël A. P. Habets , Meinard Müller , Augusto Sarti

Unsupervised domain adaptive classifcation intends to improve the classifcation performance on unlabeled target domain. To alleviate the adverse effect of domain shift, many approaches align the source and target domains in the feature…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Guoqiang Wei , Cuiling Lan , Wenjun Zeng , Zhizheng Zhang , Zhibo Chen

Appropriately evaluating the discrepancy between domains is essential for the success of unsupervised domain adaptation. In this paper, we first point out that existing discrepancy measures are less informative when complex models such as…

机器学习 · 统计学 2019-10-23 Jongyeong Lee , Nontawat Charoenphakdee , Seiichi Kuroki , Masashi Sugiyama

Unsupervised Domain adaptation (UDA) attempts to recognize the unlabeled target samples by building a learning model from a differently-distributed labeled source domain. Conventional UDA concentrates on extracting domain-invariant features…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Taotao Jing , Zhengming Ding

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

Despite of its importance for safe machine learning, uncertainty quantification for neural networks is far from being solved. State-of-the-art approaches to estimate neural uncertainties are often hybrid, combining parametric models with…

机器学习 · 计算机科学 2021-12-03 Joachim Sicking , Maram Akila , Maximilian Pintz , Tim Wirtz , Asja Fischer , Stefan Wrobel

Unsupervised domain adaptation (UDA) aims to align the labelled source distribution with the unlabelled target distribution to obtain domain-invariant predictive models. Since cross-modality medical data exhibit significant intra and…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Fengming Lin , Yan Xia , Michael MacRaild , Yash Deo , Haoran Dou , Qiongyao Liu , Kun Wu , Nishant Ravikumar , Alejandro F. Frangi

Semantic segmentation is a critical step in automated image interpretation and analysis where pixels are classified into one or more predefined semantically meaningful classes. Deep learning approaches for semantic segmentation rely on…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

For a target task where labeled data is unavailable, domain adaptation can transfer a learner from a different source domain. Previous deep domain adaptation methods mainly learn a global domain shift, i.e., align the global source and…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Yongchun Zhu , Fuzhen Zhuang , Jindong Wang , Guolin Ke , Jingwu Chen , Jiang Bian , Hui Xiong , Qing He

The primary objective of domain adaptation methods is to transfer knowledge from a source domain to a target domain that has similar but different data distributions. Thus, in order to correctly classify the unlabeled target domain samples,…

机器学习 · 计算机科学 2019-08-12 Rohith AP , Ambedkar Dukkipati , Gaurav Pandey

This paper proposes a novel pixel-level distribution regularization scheme (DRSL) for self-supervised domain adaptation of semantic segmentation. In a typical setting, the classification loss forces the semantic segmentation model to…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Javed Iqbal , Hamza Rawal , Rehan Hafiz , Yu-Tseh Chi , Mohsen Ali

Domain adaptation approaches have shown promising results in reducing the marginal distribution difference among visual domains. They allow to train reliable models that work over datasets of different nature (photos, paintings etc), but…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Silvia Bucci , Antonio D'Innocente , Tatiana Tommasi

We address the problem of efficiently computing Wasserstein distances for multiple pairs of distributions drawn from a meta-distribution. To this end, we propose a fast estimation method based on regressing Wasserstein distance on sliced…

机器学习 · 统计学 2026-03-04 Khai Nguyen , Hai Nguyen , Nhat Ho

Unsupervised domain adaptation~(UDA) aims at reducing the distribution discrepancy when transferring knowledge from a labeled source domain to an unlabeled target domain. Previous UDA methods assume that the source and target domains share…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Chuan-Xian Ren , Pengfei Ge , Peiyi Yang , Shuicheng Yan

Unsupervised domain adaption aims to learn a powerful classifier for the target domain given a labeled source data set and an unlabeled target data set. To alleviate the effect of `domain shift', the major challenge in domain adaptation,…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Yexun Zhang , Ya Zhang , Yanfeng Wang , Qi Tian

Collections of probability distributions arise in a variety of applications ranging from user activity pattern analysis to brain connectomics. In practice these distributions can be defined over diverse domain types including finite…

统计方法学 · 统计学 2023-06-16 Raif Rustamov , Subhabrata Majumdar