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Recently,the detection transformer has gained substantial attention for its inherent minimal post-processing requirement.However,this paradigm relies on abundant training data,yet in the context of the cross-domain adaptation,insufficient…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Ziru Zeng , Yue Ding , Hongtao Lu

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

High accuracy speech recognition requires a large amount of transcribed data for supervised training. In the absence of such data, domain adaptation of a well-trained acoustic model can be performed, but even here, high accuracy usually…

Computation and Language · Computer Science 2017-08-21 Jinyu Li , Michael L. Seltzer , Xi Wang , Rui Zhao , Yifan Gong

Leveraging datasets available to learn a model with high generalization ability to unseen domains is important for computer vision, especially when the unseen domain's annotated data are unavailable. We study a novel and practical problem…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Yang Shu , Zhangjie Cao , Chenyu Wang , Jianmin Wang , Mingsheng Long

Unsupervised domain adaptation for semantic segmentation aims to make models trained on synthetic data (source domain) adapt to real images (target domain). Previous feature-level adversarial learning methods only consider adapting models…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Hongruixuan Chen , Chen Wu , Yonghao Xu , Bo Du

Successful unsupervised domain adaptation is guaranteed only under strong assumptions such as covariate shift and overlap between input domains. The latter is often violated in high-dimensional applications like image classification which,…

Machine Learning · Computer Science 2024-06-13 Adam Breitholtz , Anton Matsson , Fredrik D. Johansson

Open-Set Domain Adaptation (OSDA) assumes that a target domain contains unknown classes, which are not discovered in a source domain. Existing domain adversarial learning methods are not suitable for OSDA because distribution matching with…

Machine Learning · Computer Science 2022-10-25 JoonHo Jang , Byeonghu Na , DongHyeok Shin , Mingi Ji , Kyungwoo Song , Il-Chul Moon

Domain adaptive semantic segmentation enables robust pixel-wise understanding in real-world driving scenes. Source-free domain adaptation, as a more practical technique, addresses the concerns of data privacy and storage limitations in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Yihong Cao , Hui Zhang , Xiao Lu , Zheng Xiao , Kailun Yang , Yaonan Wang

Unsupervised domain adaptation, which involves transferring knowledge from a label-rich source domain to an unlabeled target domain, can be used to substantially reduce annotation costs in the field of object detection. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kazuma Fujii , Hiroshi Kera , Kazuhiko Kawamoto

Practical autonomous driving systems face two crucial challenges: memory constraints and domain gap issues. In this paper, we present a novel approach to learn domain adaptive knowledge in models with limited memory, thus bestowing the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Divya Kothandaraman , Athira Nambiar , Anurag Mittal

Learning to reject unknown samples (not present in the source classes) in the target domain is fairly important for unsupervised domain adaptation (UDA). There exist two typical UDA scenarios, i.e., open-set, and open-partial-set, and the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Jian Liang , Dapeng Hu , Jiashi Feng , Ran He

It is vital to learn effective policies that can be transferred to different domains with dynamics discrepancies in reinforcement learning (RL). In this paper, we consider dynamics adaptation settings where there exists dynamics mismatch…

Machine Learning · Computer Science 2024-05-27 Jiafei Lyu , Chenjia Bai , Jingwen Yang , Zongqing Lu , Xiu Li

Domain adaption (DA) allows machine learning methods trained on data sampled from one distribution to be applied to data sampled from another. It is thus of great practical importance to the application of such methods. Despite the fact…

Computer Vision and Pattern Recognition · Computer Science 2017-07-20 Hao Lu , Lei Zhang , Zhiguo Cao , Wei Wei , Ke Xian , Chunhua Shen , Anton van den Hengel

Domain adaptation solves the learning problem in a target domain by leveraging the knowledge in a relevant source domain. While remarkable advances have been made, almost all existing domain adaptation methods heavily require large amounts…

Machine Learning · Computer Science 2021-10-13 Shuai Yang , Kui Yu , Fuyuan Cao , Lin Liu , Hao Wang , Jiuyong Li

Learning rewards from expert videos offers an affordable and effective solution to specify the intended behaviors for reinforcement learning (RL) tasks. In this work, we propose Diffusion Reward, a novel framework that learns rewards from…

Machine Learning · Computer Science 2024-08-12 Tao Huang , Guangqi Jiang , Yanjie Ze , Huazhe Xu

The most basic assumption used in statistical learning theory is that training data and test data are drawn from the same underlying distribution. Unfortunately, in many applications, the "in-domain" test data is drawn from a distribution…

Machine Learning · Computer Science 2011-09-30 H. Daume , D. Marcu

Unsupervised video domain adaptation is a practical yet challenging task. In this work, for the first time, we tackle it from a disentanglement view. Our key idea is to handle the spatial and temporal domain divergence separately through…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Pengfei Wei , Lingdong Kong , Xinghua Qu , Yi Ren , Zhiqiang Xu , Jing Jiang , Xiang Yin

Studies show that the representations learned by deep neural networks can be transferred to similar prediction tasks in other domains for which we do not have enough labeled data. However, as we transition to higher layers in the model, the…

Machine Learning · Computer Science 2019-10-29 Raha Moraffah , Kai Shu , Adrienne Raglin , Huan Liu

One challenge of object recognition is to generalize to new domains, to more classes and/or to new modalities. This necessitates methods to combine and reuse existing datasets that may belong to different domains, have partial annotations,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Rui Gong , Dengxin Dai , Yuhua Chen , Wen Li , Luc Van Gool

We propose a method for unsupervised domain adaptation that trains a shared embedding to align the joint distributions of inputs (domain) and outputs (classes), making any classifier agnostic to the domain. Joint alignment ensures that not…

Machine Learning · Computer Science 2019-05-28 Safa Cicek , Stefano Soatto