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Domain adaptation for semantic segmentation enables to alleviate the need for large-scale pixel-wise annotations. Recently, self-supervised learning (SSL) with a combination of image-to-image translation shows great effectiveness in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Yiting Cheng , Fangyun Wei , Jianmin Bao , Dong Chen , Fang Wen , Wenqiang Zhang

Domain shift is a fundamental problem in visual recognition which typically arises when the source and target data follow different distributions. The existing domain adaptation approaches which tackle this problem work in the closed-set…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Yadan Luo , Zijian Wang , Zi Huang , Mahsa Baktashmotlagh

Domain adaptation is to transfer the shared knowledge learned from the source domain to a new environment, i.e., target domain. One common practice is to train the model on both labeled source-domain data and unlabeled target-domain data.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Zhedong Zheng , Yi Yang

Forecasting future trajectories of agents in complex traffic scenes requires reliable and efficient predictions for all agents in the scene. However, existing methods for trajectory prediction are either inefficient or sacrifice accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Görkay Aydemir , Adil Kaan Akan , Fatma Güney

The Visual Domain Adaptation Challenge 2021 called for unsupervised domain adaptation methods that could improve the performance of models by transferring the knowledge obtained from source datasets to out-of-distribution target datasets.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Burhan Ul Tayyab , Nicholas Chua

Domain adaptation techniques aim at adapting a classifier learnt on a source domain to work on the target domain. Exploiting the subspaces spanned by features of the source and target domains respectively is one approach that has been…

Computer Vision and Pattern Recognition · Computer Science 2015-01-19 Anant Raj , Vinay P. Namboodiri , Tinne Tuytelaars

Domain adaptation is the supervised learning setting in which the training and test data are sampled from different distributions: training data is sampled from a source domain, whilst test data is sampled from a target domain. This paper…

Machine Learning · Statistics 2016-10-21 Wouter M. Kouw , Jesse H. Krijthe , Marco Loog , Laurens J. P. van der Maaten

Object detection networks have reached an impressive performance level, yet a lack of suitable data in specific applications often limits it in practice. Typically, additional data sources are utilized to support the training task. In…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Maximilian Menke , Thomas Wenzel , Andreas Schwung

Incorporating additional knowledge in the learning process can be beneficial for several computer vision and machine learning tasks. Whether privileged information originates from a source domain that is adapted to a target domain, or as…

Computer Vision and Pattern Recognition · Computer Science 2017-08-31 Nikolaos Sarafianos , Michalis Vrigkas , Ioannis A. Kakadiaris

Getting deep convolutional neural networks to perform well requires a large amount of training data. When the available labelled data is small, it is often beneficial to use transfer learning to leverage a related larger dataset (source) in…

Machine Learning · Computer Science 2021-10-26 Lukas Hedegaard Morsing , Omar Ali Sheikh-Omar , Alexandros Iosifidis

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…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jianhong Han , Liang Chen , Yupei Wang

Classical Domain Adaptation methods acquire transferability by regularizing the overall distributional discrepancies between features in the source domain (labeled) and features in the target domain (unlabeled). They often do not…

Machine Learning · Computer Science 2023-06-01 Shumin Ma , Zhiri Yuan , Qi Wu , Yiyan Huang , Xixu Hu , Cheuk Hang Leung , Dongdong Wang , Zhixiang Huang

This paper presents a new Python library for anomaly detection in unsupervised learning approaches. The input for the library is a univariate time series representing observations of a given phenomenon. Then, it can identify anomalous…

Machine Learning · Computer Science 2022-10-18 Simona Bernardi , José Merseguer , Raúl Javierre

Domain adaptation (DA) aims at transferring knowledge from a labeled source domain to an unlabeled target domain. Though many DA theories and algorithms have been proposed, most of them are tailored into classification settings and may fail…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Junguang Jiang , Yifei Ji , Ximei Wang , Yufeng Liu , Jianmin Wang , Mingsheng Long

Domain adaptation aims to exploit a label-rich source domain for learning classifiers in a different label-scarce target domain. It is particularly challenging when there are significant divergences between the two domains. In the paper, we…

Machine Learning · Computer Science 2020-04-27 Kevin Hua , Yuhong Guo

This paper addresses the problem of unsupervised domain adaption from theoretical and algorithmic perspectives. Existing domain adaptation theories naturally imply minimax optimization algorithms, which connect well with the domain…

Machine Learning · Computer Science 2019-07-24 Yuchen Zhang , Tianle Liu , Mingsheng Long , Michael I. Jordan

Adversarial adaptation models have demonstrated significant progress towards transferring knowledge from a labeled source dataset to an unlabeled target dataset. Partial domain adaptation (PDA) investigates the scenarios in which the source…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Mohsen Kheirandishfard , Fariba Zohrizadeh , Farhad Kamangar

Fine-tuning pre-trained Neural Machine Translation (NMT) models is the dominant approach for adapting to new languages and domains. However, fine-tuning requires adapting and maintaining a separate model for each target task. We propose a…

Computation and Language · Computer Science 2019-09-19 Ankur Bapna , Naveen Arivazhagan , Orhan Firat

Understanding point clouds captured from the real-world is challenging due to shifts in data distribution caused by varying object scales, sensor angles, and self-occlusion. Prior works have addressed this issue by combining recent learning…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Joonhyung Park , Hyunjin Seo , Eunho Yang

Domain adaptive semantic segmentation aims to train a model performing satisfactory pixel-level predictions on the target with only out-of-domain (source) annotations. The conventional solution to this task is to minimize the discrepancy…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Guoliang Kang , Yunchao Wei , Yi Yang , Yueting Zhuang , Alexander G. Hauptmann