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The rapid development of 3D object detection systems for self-driving cars has significantly improved accuracy. However, these systems struggle to generalize across diverse driving environments, which can lead to safety-critical failures in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Travis Zhang , Katie Luo , Cheng Perng Phoo , Yurong You , Wei-Lun Chao , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

We address the problem of unsupervised domain adaptation (UDA) by learning a cross-domain agnostic embedding space, where the distance between the probability distributions of the two source and target visual domains is minimized. We use…

Machine Learning · Computer Science 2019-09-25 Alex Gabourie , Mohammad Rostami , Philip Pope , Soheil Kolouri , Kyungnam Kim

We consider the problem of domain adaptation in LiDAR-based 3D object detection. Towards this, we propose a simple yet effective training strategy called Gradual Batch Alternation that can adapt from a large labeled source domain to an…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Mrigank Rochan , Xingxin Chen , Alaap Grandhi , Eduardo R. Corral-Soto , Bingbing Liu

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Unsupervised Domain Adaptation (UDA) is an effective approach to tackle the issue of domain shift. Specifically, UDA methods try to align the source and target representations to improve the generalization on the target domain. Further, UDA…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Vibashan VS , Poojan Oza , Vishal M. Patel

In this work, we propose CLUDA, a simple, yet novel method for performing unsupervised domain adaptation (UDA) for semantic segmentation by incorporating contrastive losses into a student-teacher learning paradigm, that makes use of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Midhun Vayyat , Jaswin Kasi , Anuraag Bhattacharya , Shuaib Ahmed , Rahul Tallamraju

Current LiDAR-based 3D object detectors for autonomous driving are almost entirely trained on human-annotated data collected in specific geographical domains with specific sensor setups, making it difficult to adapt to a different domain.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Jenny Xu , Steven L. Waslander

Learning semantic representations from point sets of 3D object shapes is often challenged by significant geometric variations, primarily due to differences in data acquisition methods. Typically, training data is generated using point…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Longkun Zou , Kangjun Liu , Ke Chen , Kailing Guo , Kui Jia , Yaowei Wang

Unsupervised Domain Adaptation (UDA) endeavors to bridge the gap between a model trained on a labeled source domain and its deployment in an unlabeled target domain. However, current high-performance models demand significant resources,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Minhee Cho , Hyesong Choi , Hayeon Jo , Dongbo Min

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

Unsupervised domain adaptation (UDA) aims to transfer a model learned using labeled data from the source domain to unlabeled data in the target domain. To address the large domain gap issue between the source and target domains, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Tzuhsuan Huang , Chen-Che Huang , Chung-Hao Ku , Jun-Cheng Chen

For unsupervised domain adaptation (UDA), to alleviate the effect of domain shift, many approaches align the source and target domains in the feature space by adversarial learning or by explicitly aligning their statistics. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Guoqiang Wei , Cuiling Lan , Wenjun Zeng , Zhibo Chen

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

Unsupervised Domain Adaptation (UDA) for point cloud classification is an emerging research problem with relevant practical motivations. Reliance on multi-task learning to align features across domains has been the standard way to tackle…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Adriano Cardace , Riccardo Spezialetti , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

Domain shift happens in cross-domain scenarios commonly because of the wide gaps between different domains: when applying a deep learning model well-trained in one domain to another target domain, the model usually performs poorly. To…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Munan Ning , Cheng Bian , Dong Wei , Chenglang Yuan , Yaohua Wang , Yang Guo , Kai Ma , Yefeng Zheng

Multimodal information (e.g., visible and thermal) can generate robust pedestrian detections to facilitate around-the-clock computer vision applications, such as autonomous driving and video surveillance. However, it still remains a crucial…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Dayan Guan , Xing Luo , Yanpeng Cao , Jiangxin Yang , Yanlong Cao , George Vosselman , Michael Ying Yang

Unsupervised Domain Adaptation (UDA) aims to learn a predictor model for an unlabeled domain by transferring knowledge from a separate labeled source domain. However, most of these conventional UDA approaches make the strong assumption of…

Machine Learning · Computer Science 2021-04-06 Sk Miraj Ahmed , Dripta S. Raychaudhuri , Sujoy Paul , Samet Oymak , Amit K. Roy-Chowdhury

Though unsupervised domain adaptation (UDA) has achieved very impressive progress recently, it remains a great challenge due to missing target annotations and the rich discrepancy between source and target distributions. We propose Spectral…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Jingyi Zhang , Jiaxing Huang , Zichen Tian , Shijian Lu

A major technique for tackling unsupervised domain adaptation involves mapping data points from both the source and target domains into a shared embedding space. The mapping encoder to the embedding space is trained such that the embedding…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Mohammad Rostami

In autonomous driving, a LiDAR-based object detector should perform reliably at different geographic locations and under various weather conditions. While recent 3D detection research focuses on improving performance within a single domain,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Qiangeng Xu , Yin Zhou , Weiyue Wang , Charles R. Qi , Dragomir Anguelov