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Related papers: DAPointMamba: Domain Adaptive Point Mamba for Poin…

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Unsupervised Domain Adaptation (UDA) is crucial for reducing the need for extensive manual data annotation when training deep networks on point cloud data. A significant challenge of UDA lies in effectively bridging the domain gap. To…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Mengxi Wu , Hao Huang , Yi Fang , Mohammad Rostami

3D shape completion from point clouds is a challenging task, especially from scans of real-world objects. Considering the paucity of 3D shape ground truths for real scans, existing works mainly focus on benchmarking this task on synthetic…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yushuang Wu , Zizheng Yan , Ce Chen , Lai Wei , Xiao Li , Guanbin Li , Yihao Li , Shuguang Cui , Xiaoguang Han

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Qianyu Zhou , Qiqi Gu , Jiangmiao Pang , Xuequan Lu , Lizhuang Ma

Mixed-based point cloud augmentation is a popular solution to the problem of limited availability of large-scale public datasets. But the mismatch between mixed points and corresponding semantic labels hinders the further application in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Tianfang Zhu , Yue Guan , Anan Li

Recently, the Mamba architecture based on state space models has demonstrated remarkable performance in a series of natural language processing tasks and has been rapidly applied to remote sensing change detection (CD) tasks. However, most…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Haotian Zhang , Keyan Chen , Chenyang Liu , Hao Chen , Zhengxia Zou , Zhenwei Shi

In this paper, we propose an adaptive margin contrastive learning method for 3D point cloud semantic segmentation, namely AMContrast3D. Most existing methods use equally penalized objectives, which ignore per-point ambiguities and less…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Yang Chen , Yueqi Duan , Runzhong Zhang , Yap-Peng Tan

Existing multi-scale solutions lead to a risk of just increasing the receptive field sizes while neglecting small receptive fields. Thus, it is a challenging problem to effectively construct adaptive neural networks for recognizing various…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Qingbei Guo , Xiao-Jun Wu , Zhiquan Feng , Tianyang Xu , Cong Hu

In this paper, we present PCoTTA, an innovative, pioneering framework for Continual Test-Time Adaptation (CoTTA) in multi-task point cloud understanding, enhancing the model's transferability towards the continually changing target domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Jincen Jiang , Qianyu Zhou , Yuhang Li , Xinkui Zhao , Meili Wang , Lizhuang Ma , Jian Chang , Jian Jun Zhang , Xuequan Lu

While test-time adaptation (TTA) methods effectively address domain shifts by dynamically adapting pre-trained models to target domain data during online inference, their application to 3D point clouds is hindered by their irregular and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Xin Wei , Qin Yang , Yijie Fang , Mingrui Zhu , Nannan Wang

No-Reference Point Cloud Quality Assessment (NR-PCQA) still struggles with generalization, primarily due to the scarcity of annotated point cloud datasets. Since the Human Visual System (HVS) drives perceptual quality assessment…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Guohua Zhang , Jian Jin , Meiqin Liu , Chao Yao , Weisi Lin

There is a strong incentive to develop versatile learning techniques that can transfer the knowledge of class-separability from a labeled source domain to an unlabeled target domain in the presence of a domain-shift. Existing domain…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Jogendra Nath Kundu , Naveen Venkat , Rahul M , R. Venkatesh Babu

Vision transformer has demonstrated great potential in abundant vision tasks. However, it also inevitably suffers from poor generalization capability when the distribution shift occurs in testing (i.e., out-of-distribution data). To…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Xin Li , Cuiling Lan , Guoqiang Wei , Zhibo Chen

In this paper, we tackle the problem of one-shot unsupervised domain adaptation (OSUDA) for semantic segmentation where the segmentors only see one unlabeled target image during training. In this case, traditional unsupervised domain…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xinyi Wu , Zhenyao Wu , Yuhang Lu , Lili Ju , Song Wang

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Domain adaptation aims to leverage a label-rich domain (the source domain) to help model learning in a label-scarce domain (the target domain). Most domain adaptation methods require the co-existence of source and target domain samples to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Jiayi Tian , Jing Zhang , Wen Li , Dong Xu

In Domain Adaptation (DA), where the feature distributions of the source and target domains are different, various distance-based methods have been proposed to minimize the discrepancy between the source and target domains to handle the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Zhixiong Yue , Pengxin Guo , Yu Zhang

To further promote the development of multimodal point cloud completion, we contribute a large-scale multimodal point cloud completion benchmark ModelNet-MPC with richer shape categories and more diverse test data, which contains nearly…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Xinpu Liu , Baolin Hou , Hanyun Wang , Ke Xu , Jianwei Wan , Yulan Guo

Due to its robust and precise distance measurements, LiDAR plays an important role in scene understanding for autonomous driving. Training deep neural networks (DNNs) on LiDAR data requires large-scale point-wise annotations, which are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Sicheng Zhao , Yezhen Wang , Bo Li , Bichen Wu , Yang Gao , Pengfei Xu , Trevor Darrell , Kurt Keutzer

Semantic scene completion (SSC) is essential for achieving comprehensive perception in autonomous driving systems. However, existing SSC methods often overlook the high deployment costs in real-world applications. Traditional architectures,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yansong Qu , Zixuan Xu , Zilin Huang , Zihao Sheng , Tiantian Chen , Sikai Chen

Point cloud completion aims to reconstruct the complete 3D shape from incomplete point clouds, and it is crucial for tasks such as 3D object detection and segmentation. Despite the continuous advances in point cloud analysis techniques,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yi Zhong , Weize Quan , Dong-ming Yan , Jie Jiang , Yingmei Wei