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The Diffusion Probabilistic Model (DPM) has emerged as a highly effective generative model in the field of computer vision. Its intermediate latent vectors offer rich semantic information, making it an attractive option for various…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Haipeng Zhou , Lei Zhu , Yuyin Zhou

Machine learning algorithms typically assume that the training and test samples come from the same distributions, i.e., in-distribution. However, in open-world scenarios, streaming big data can be Out-Of-Distribution (OOD), rendering these…

Machine Learning · Computer Science 2022-11-10 Anique Tahir , Lu Cheng , Ruocheng Guo , Huan Liu

Despite domain generalization (DG) has significantly addressed the performance degradation of pre-trained models caused by domain shifts, it often falls short in real-world deployment. Test-time adaptation (TTA), which adjusts a learned…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Xingguo Lv , Xingbo Dong , Liwen Wang , Jiewen Yang , Lei Zhao , Bin Pu , Zhe Jin , Xuejun Li

Domain Adaptation(DA) for dense prediction tasks is an important topic, which enhances the dense prediction model's performance when tested on its unseen domain. Recently, with the development of Diffusion-based Dense Prediction (DDP)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Hang Xu , Jie Huang , Linjiang Huang , Dong Li , Yidi Liu , Feng Zhao

Real-world data often exhibit imbalanced label distributions. Existing studies on data imbalance focus on single-domain settings, i.e., samples are from the same data distribution. However, natural data can originate from distinct domains,…

Machine Learning · Computer Science 2022-08-02 Yuzhe Yang , Hao Wang , Dina Katabi

Unsupervised domain adaptation (UDA) is a pivotal form in machine learning to extend the in-domain model to the distinctive target domains where the data distributions differ. Most prior works focus on capturing the inter-domain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Zhiqing Xiao , Haobo Wang , Ying Jin , Lei Feng , Gang Chen , Fei Huang , Junbo Zhao

In order to robustly deploy object detectors across a wide range of scenarios, they should be adaptable to shifts in the input distribution without the need to constantly annotate new data. This has motivated research in Unsupervised Domain…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Farzaneh Rezaeianaran , Rakshith Shetty , Rahaf Aljundi , Daniel Olmeda Reino , Shanshan Zhang , Bernt Schiele

Limited transferability hinders the performance of deep learning models when applied to new application scenarios. Recently, Unsupervised Domain Adaptation (UDA) has achieved significant progress in addressing this issue via learning…

Machine Learning · Computer Science 2023-09-27 Yulong Zhang , Shuhao Chen , Weisen Jiang , Yu Zhang , Jiangang Lu , James T. Kwok

Learning deep neural networks that are generalizable across different domains remains a challenge due to the problem of domain shift. Unsupervised domain adaptation is a promising avenue which transfers knowledge from a source domain to a…

Machine Learning · Computer Science 2020-08-20 Qingjie Meng , Daniel Rueckert , Bernhard Kainz

Despite recent advancements in deep learning, deep neural networks continue to suffer from performance degradation when applied to new data that differs from training data. Test-time adaptation (TTA) aims to address this challenge by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Sanghun Jung , Jungsoo Lee , Nanhee Kim , Amirreza Shaban , Byron Boots , Jaegul Choo

The multi-modal perception methods are thriving in the autonomous driving field due to their better usage of complementary data from different sensors. Such methods depend on calibration and synchronization between sensors to get accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Zhihang Song , Lihui Peng , Jianming Hu , Danya Yao , Yi Zhang

Finding appropriate low dimensional representations of high-dimensional multi-modal data can be challenging, since each modality embodies unique deformations and interferences. In this paper, we address the problem using manifold learning,…

Signal Processing · Electrical Eng. & Systems 2018-08-23 Tal Shnitzer , Mirela Ben-Chen , Leonidas Guibas , Ronen Talmon , Hau-Tieng Wu

Domain generalization (DG) seeks to develop models that generalize well to unseen target domains, addressing the prevalent issue of distribution shifts in real-world applications. One line of research in DG focuses on aligning domain-level…

Machine Learning · Computer Science 2025-06-10 Yuen Chen , Haozhe Si , Guojun Zhang , Han Zhao

While current diffusion-based models, typically built on U-Net architectures, have shown promising results on the text-to-motion generation task, they still suffer from semantic misalignment and kinematic artifacts. Through analysis, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Haozhe Jia , Wenshuo Chen , Yuqi Lin , Yang Yang , Lei Wang , Mang Ning , Bowen Tian , Songning Lai , Nanqian Jia , Yifan Chen , Yutao Yue

Data assimilation (DA) estimates the state of an evolving dynamical system from noisy, partial observations, and is widely used in scientific simulation as well as weather and climate science. In practice, filtering methods rely on…

Image and Video Processing · Electrical Eng. & Systems 2026-05-15 Yixuan Jia , Siyi Chen , Yida Pan , Xiao Li , Lianghe Shi , Chanyong Jung , Haijie Yuan , Ismail Alkhouri , Yue Cynthia Wu , Saiprasad Ravishankar , Jeffrey A Fessler , Qing Qu

Object detection has wide applications in agriculture, but domain shifts of diverse environments limit the broader use of the trained models. Existing domain adaptation methods usually require retraining the model for new domains, which is…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Shuai Xiang , Pieter M. Blok , James Burridge , Haozhou Wang , Wei Guo

Although various image-based domain adaptation (DA) techniques have been proposed in recent years, domain shift in videos is still not well-explored. Most previous works only evaluate performance on small-scale datasets which are saturated.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Min-Hung Chen , Zsolt Kira , Ghassan AlRegib

With the advancements of sensor hardware, traffic infrastructure and deep learning architectures, trajectory prediction of vehicles has established a solid foundation in intelligent transportation systems. However, existing solutions are…

Artificial Intelligence · Computer Science 2024-11-13 Jia Quan Loh , Xuewen Luo , Fan Ding , Hwa Hui Tew , Junn Yong Loo , Ze Yang Ding , Susilawati Susilawati , Chee Pin Tan

We consider the problem of unsupervised domain adaptation (UDA) between a source and a target domain under conditional and label shift a.k.a Generalized Target Shift (GeTarS). Unlike simpler UDA settings, few works have addressed this…

Machine Learning · Computer Science 2022-03-21 Matthieu Kirchmeyer , Alain Rakotomamonjy , Emmanuel de Bezenac , Patrick Gallinari

Continuous Domain Adaptation (CDA) effectively bridges significant domain shifts by progressively adapting from the source domain through intermediate domains to the target domain. However, selecting intermediate domains without explicit…

Machine Learning · Computer Science 2025-10-14 Hanbing Liu , Huaze Tang , Yanru Wu , Yang Li , Xiao-Ping Zhang