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Object detection for autonomous vehicles has received increasing attention in recent years, where labeled data are often expensive while unlabeled data can be collected readily, calling for research on semi-supervised learning for this…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Longhui Yu , Yifan Zhang , Lanqing Hong , Fei Chen , Zhenguo Li

Domain adaptive object detection aims to adapt detection models to domains where annotated data is unavailable. Existing methods have been proposed to address the domain gap using the semi-supervised student-teacher framework. However, a…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

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…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Jianzhong He , Xu Jia , Shuaijun Chen , Jianzhuang Liu

Cross-domain text classification aims at building a classifier for a target domain which leverages data from both source and target domain. One promising idea is to minimize the feature distribution differences of the two domains. Most…

计算与语言 · 计算机科学 2019-01-07 Baoyu Jing , Chenwei Lu , Deqing Wang , Fuzhen Zhuang , Cheng Niu

In this study, we dive deep into the inconsistency of pseudo targets in semi-supervised object detection (SSOD). Our core observation is that the oscillating pseudo-targets undermine the training of an accurate detector. It injects noise…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Xinjiang Wang , Xingyi Yang , Shilong Zhang , Yijiang Li , Litong Feng , Shijie Fang , Chengqi Lyu , Kai Chen , Wayne Zhang

Semi-supervised learning, i.e., training networks with both labeled and unlabeled data, has made significant progress recently. However, existing works have primarily focused on image classification tasks and neglected object detection…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Yen-Cheng Liu , Chih-Yao Ma , Zijian He , Chia-Wen Kuo , Kan Chen , Peizhao Zhang , Bichen Wu , Zsolt Kira , Peter Vajda

Multi-Source Domain Adaptation (MSDA) deals with the transfer of task knowledge from multiple labeled source domains to an unlabeled target domain, under a domain-shift. Existing methods aim to minimize this domain-shift using auxiliary…

机器学习 · 计算机科学 2021-03-23 Naveen Venkat , Jogendra Nath Kundu , Durgesh Kumar Singh , Ambareesh Revanur , R. Venkatesh Babu

Domain adaptation methods for object detection (OD) strive to mitigate the impact of distribution shifts by promoting feature alignment across source and target domains. Multi-source domain adaptation (MSDA) allows leveraging multiple…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Atif Belal , Akhil Meethal , Francisco Perdigon Romero , Marco Pedersoli , Eric Granger

Generalized Category Discovery (GCD) is an open-world problem that clusters unlabeled data by leveraging knowledge from partially labeled categories. A key challenge is that unlabeled data may contain both known and novel categories.…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Deep learning models exhibit limited generalizability across different domains. Specifically, transferring knowledge from available entangled domain features(source/target domain) and categorical features to new unseen categorical features…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Qingjie Meng , Daniel Rueckert , Bernhard Kainz

After learning a new object category from image-level annotations (with no object bounding boxes), humans are remarkably good at precisely localizing those objects. However, building good object localizers (i.e., detectors) currently…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Zitian Chen , Zhiqiang Shen , Jiahui Yu , Erik Learned-Miller

Unsupervised domain adaptation object detection (UDAOD) research on Detection Transformer(DETR) mainly focuses on feature alignment and existing methods can be divided into two kinds, each of which has its unresolved issues. One-stage…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Weixi Weng , Chun Yuan

Learning medical visual representations directly from paired radiology reports has become an emerging topic in representation learning. However, existing medical image-text joint learning methods are limited by instance or local supervision…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Fuying Wang , Yuyin Zhou , Shujun Wang , Varut Vardhanabhuti , Lequan Yu

Semi-supervised domain adaptation (SSDA) aims to apply knowledge learned from a fully labeled source domain to a scarcely labeled target domain. In this paper, we propose a Multi-level Consistency Learning (MCL) framework for SSDA.…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Zizheng Yan , Yushuang Wu , Guanbin Li , Yipeng Qin , Xiaoguang Han , Shuguang Cui

Recently, the cross-modal pretraining model has been employed to produce meaningful pseudo-labels to supervise the training of an image clustering model. However, numerous erroneous alignments in a cross-modal pre-training model could…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Liping Qiu , Qin Zhang , Xiaojun Chen , Shaotian Cai

Semi-supervised learning is of great significance in medical image segmentation by exploiting unlabeled data. Among its strategies, the co-training framework is prominent. However, previous co-training studies predominantly concentrate on…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Pengcheng Zhou , Lantian Zhang , Wei Li

Despite great progress in supervised semantic segmentation,a large performance drop is usually observed when deploying the model in the wild. Domain adaptation methods tackle the issue by aligning the source domain and the target domain.…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Haoran Wang , Tong Shen , Wei Zhang , Lingyu Duan , Tao Mei

Providing ground truth supervision to train visual models has been a bottleneck over the years, exacerbated by domain shifts which degenerate the performance of such models. This was the case when visual tasks relied on handcrafted features…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Gabriel Villalonga , Antonio M. Lopez

Domain adaptation aims to leverage a labeled source domain to learn a classifier for the unlabeled target domain with a different distribution. Previous methods mostly match the distribution between two domains by global or class alignment.…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Mei Wang , Weihong Deng

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a fully-labeled source domain to a different unlabeled target domain. Most existing UDA methods learn domain-invariant feature representations by minimizing…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Rui Wang , Zuxuan Wu , Zejia Weng , Jingjing Chen , Guo-Jun Qi , Yu-Gang Jiang