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Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

Machine Learning · Computer Science 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Multi-source unsupervised domain adaptation~(MSDA) aims at adapting models trained on multiple labeled source domains to an unlabeled target domain. In this paper, we propose a novel multi-source domain adaptation framework based on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Jianzhong He , Xu Jia , Shuaijun Chen , Jianzhuang Liu

Generalising deep networks to novel domains without manual labels is challenging to deep learning. This problem is intrinsically difficult due to unpredictable changing nature of imagery data distributions in novel domains. Pre-learned…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Jiabo Huang , Shaogang Gong

Unsupervised domain adaptation is effective in leveraging rich information from a labeled source domain to an unlabeled target domain. Though deep learning and adversarial strategy made a significant breakthrough in the adaptability of…

Machine Learning · Computer Science 2020-08-25 You-Wei Luo , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

Semantic segmentation is a key technique involved in automatic interpretation of high-resolution remote sensing (HRS) imagery and has drawn much attention in the remote sensing community. Deep convolutional neural networks (DCNNs) have been…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Jingru Zhu , Ya Guo , Geng Sun , Libo Yang , Min Deng , Jie Chen

This paper introduces a new method to solve the cross-domain recognition problem. Different from the traditional domain adaption methods which rely on a global domain shift for all classes between source and target domain, the proposed…

Computer Vision and Pattern Recognition · Computer Science 2015-09-08 Yuewei Lin , Jing Chen , Yu Cao , Youjie Zhou , Lingfeng Zhang , Yuan Yan Tang , Song Wang

Domain adaptation solves image classification problems in the target domain by taking advantage of the labelled source data and unlabelled target data. Usually, the source and target domains share the same set of classes. As a special case,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Qian Wang , Fanlin Meng , Toby P. Breckon

While unsupervised domain translation (UDT) has seen a lot of success recently, we argue that mediating its translation via categorical semantic features could broaden its applicability. In particular, we demonstrate that categorical…

Machine Learning · Computer Science 2021-03-18 Samuel Lavoie , Faruk Ahmed , Aaron Courville

Deep neural networks (DNNs) have witnessed great successes in semantic segmentation, which requires a large number of labeled data for training. We present a novel learning framework called Uncertainty guided Cross-head Co-training (UCC)…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Jiashuo Fan , Bin Gao , Huan Jin , Lihui Jiang

Ancient history relies on the study of ancient characters. However, real-world scanned oracle characters are difficult to collect and annotate, posing a major obstacle for oracle character recognition (OrCR). Besides, serious abrasion and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Mei Wang , Weihong Deng , Sen Su

Unsupervised domain adaptation aims to generalize the supervised model trained on a source domain to an unlabeled target domain. Marginal distribution alignment of feature spaces is widely used to reduce the domain discrepancy between the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Pengfei Ge , Chuan-Xian Ren , Dao-Qing Dai , Hong Yan

Recent developments for Semi-Supervised Object Detection (SSOD) have shown the promise of leveraging unlabeled data to improve an object detector. However, thus far these methods have assumed that the unlabeled data does not contain…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Yen-Cheng Liu , Chih-Yao Ma , Xiaoliang Dai , Junjiao Tian , Peter Vajda , Zijian He , Zsolt Kira

Unsupervised domain adaptation (UDA) adapts a model trained on one domain (called source) to a novel domain (called target) using only unlabeled data. Due to its high annotation cost, researchers have developed many UDA methods for semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Zhijie Wang , Masanori Suganuma , Takayuki Okatani

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Unsupervised sim-to-real domain adaptation (UDA) for semantic segmentation aims to improve the real-world test performance of a model trained on simulated data. It can save the cost of manually labeling data in real-world applications such…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Rui Gong , Qin Wang , Dengxin Dai , Luc Van Gool

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Ankit Singh

Recently, Unsupervised Domain Adaptation (UDA) has attracted increasing attention to address the domain shift problem in the semantic segmentation task. Although previous UDA methods have achieved promising performance, they still suffer…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Junfeng Wu , Zhenjie Tang , Congan Xu , Enhai Liu , Long Gao , Wenjun Yan

Unsupervised domain adaptation aims to learn a model of classifier for unlabeled samples on the target domain, given training data of labeled samples on the source domain. Impressive progress is made recently by learning invariant features…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yabin Zhang , Hui Tang , Kui Jia , Mingkui Tan

Semi-supervised medical image segmentation (SSMIS) has emerged as a promising solution to tackle the challenges of time-consuming manual labeling in the medical field. However, in practical scenarios, there are often domain variations…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Qixiang Zhang , Haonan Wang , Xiaomeng Li

In Generalized Category Discovery (GCD), we cluster unlabeled samples of known and novel classes, leveraging a training dataset of known classes. A salient challenge arises due to domain shifts between these datasets. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Sai Bhargav Rongali , Sarthak Mehrotra , Ankit Jha , Mohamad Hassan N C , Shirsha Bose , Tanisha Gupta , Mainak Singha , Biplab Banerjee