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Driven by the increasing demand for accurate and efficient representation of 3D data in various domains, point cloud sampling has emerged as a pivotal research topic in 3D computer vision. Recently, learning-to-sample methods have garnered…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Chengzhi Wu , Yuxin Wan , Hao Fu , Julius Pfrommer , Zeyun Zhong , Junwei Zheng , Jiaming Zhang , Jürgen Beyerer

Deep-learning models for 3D point cloud semantic segmentation exhibit limited generalization capabilities when trained and tested on data captured with different sensors or in varying environments due to domain shift. Domain adaptation…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Cristiano Saltori , Fabio Galasso , Giuseppe Fiameni , Nicu Sebe , Fabio Poiesi , Elisa Ricci

Unsupervised domain adaptation (UDA) for image classification has made remarkable progress in transferring classification knowledge from a labeled source domain to an unlabeled target domain, thanks to effective domain alignment techniques.…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Lin Zhang , Linghan Xu , Saman Motamed , Shayok Chakraborty , Fernando De la Torre

This paper proposes a novel pixel-level distribution regularization scheme (DRSL) for self-supervised domain adaptation of semantic segmentation. In a typical setting, the classification loss forces the semantic segmentation model to…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Javed Iqbal , Hamza Rawal , Rehan Hafiz , Yu-Tseh Chi , Mohsen Ali

Rapid progress in 3D semantic segmentation is inseparable from the advances of deep network models, which highly rely on large-scale annotated data for training. To address the high cost and challenges of 3D point-level labeling, we present…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Li Jiang , Shaoshuai Shi , Zhuotao Tian , Xin Lai , Shu Liu , Chi-Wing Fu , Jiaya Jia

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…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Tzuhsuan Huang , Chen-Che Huang , Chung-Hao Ku , Jun-Cheng Chen

Deep learning-based 3D object detection has achieved unprecedented success with the advent of large-scale autonomous driving datasets. However, drastic performance degradation remains a critical challenge for cross-domain deployment. In…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Zhipeng Luo , Zhongang Cai , Changqing Zhou , Gongjie Zhang , Haiyu Zhao , Shuai Yi , Shijian Lu , Hongsheng Li , Shanghang Zhang , Ziwei Liu

Semi-supervised domain adaptation (SSDA) is quite a challenging problem requiring methods to overcome both 1) overfitting towards poorly annotated data and 2) distribution shift across domains. Unfortunately, a simple combination of domain…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Can Qin , Lichen Wang , Qianqian Ma , Yu Yin , Huan Wang , Yun Fu

Saliency methods can make deep neural network predictions more interpretable by identifying a set of critical features in an input sample, such as pixels that contribute most strongly to a prediction made by an image classifier.…

机器学习 · 计算机科学 2021-06-15 Yang Lu , Wenbo Guo , Xinyu Xing , William Stafford Noble

Multi-source unsupervised domain adaptation (MUDA) aims to transfer knowledge from related source domains to an unlabeled target domain. While recent MUDA methods have shown promising results, most focus on aligning the overall feature…

机器学习 · 计算机科学 2023-07-27 Long Liu , Bo Zhou , Zhipeng Zhao , Zening Liu

Current point cloud registration methods are mainly based on local geometric information and usually ignore the semantic information contained in the scenes. In this paper, we treat the point cloud registration problem as a semantic…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Shaocong Liu , Tao Wang , Yan Zhang , Ruqin Zhou , Li Li , Chenguang Dai , Yongsheng Zhang , Longguang Wang , Hanyun Wang

The divergence between labeled training data and unlabeled testing data is a significant challenge for recent deep learning models. Unsupervised domain adaptation (UDA) attempts to solve such problem. Recent works show that self-training is…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Chuang Zhu , Kebin Liu , Wenqi Tang , Ke Mei , Jiaqi Zou , Tiejun Huang

Unsupervised Domain Adaptation (UDA) addresses the problem of performance degradation due to domain shift between training and testing sets, which is common in computer vision applications. Most existing UDA approaches are based on…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Songsong Wu , Yan Yan , Hao Tang , Jianjun Qian , Jian Zhang , Xiao-Yuan Jing

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

Domain adaptation for Cross-LiDAR 3D detection is challenging due to the large gap on the raw data representation with disparate point densities and point arrangements. By exploring domain-invariant 3D geometric characteristics and motion…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Xidong Peng , Xinge Zhu , Yuexin Ma

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

Unsupervised Domain Adaptation (UDA) is quite challenging due to the large distribution discrepancy between the source domain and the target domain. Inspired by diffusion models which have strong capability to gradually convert data…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Duo Peng , Qiuhong Ke , Yinjie Lei , Jun Liu

Moving object segmentation is a crucial task for safe and reliable autonomous mobile systems like self-driving cars, improving the reliability and robustness of subsequent tasks like SLAM or path planning. While the segmentation of camera…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Leon Schwarzer , Matthias Zeller , Daniel Casado Herraez , Simon Dierl , Michael Heidingsfeld , Cyrill Stachniss

Domain adaptation aims to bridge the domain shifts between the source and the target domain. These shifts may span different dimensions such as fog, rainfall, etc. However, recent methods typically do not consider explicit prior knowledge…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Qianyu Zhou , Qiqi Gu , Jiangmiao Pang , Xuequan Lu , Lizhuang Ma

This paper develops and evaluates a novel method that allows for the detection of affordances in a scalable and multiple-instance manner on visually recovered pointclouds. Our approach has many advantages over alternative methods, as it is…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Eduardo Ruiz , Walterio Mayol-Cuevas