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Data augmentation is an effective regularization strategy for mitigating overfitting in deep neural networks, and it plays a crucial role in 3D vision tasks, where the point cloud data is relatively limited. While mixing-based augmentation…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Yi Wang , Jiaze Wang , Jinpeng Li , Zixu Zhao , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Face recognition using 3D point clouds is gaining growing interest, while raw point clouds often contain a significant amount of noise due to imperfect sensors. In this paper, an end-to-end 3D face recognition on a noisy point cloud is…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Junyu Liu , Jianfeng Ren , Sunhong Liang , Xudong Jiang

Multivariate anomaly detection can be used to identify outages within large volumes of telemetry data for computing systems. However, developing an efficient anomaly detector that can provide users with relevant information is a challenging…

Point cloud analysis is attracting attention from Artificial Intelligence research since it can be widely used in applications such as robotics, Augmented Reality, self-driving. However, it is always challenging due to irregularities,…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Shi Qiu , Saeed Anwar , Nick Barnes

This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

计算机视觉与模式识别 · 计算机科学 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

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,…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Yi Zhong , Weize Quan , Dong-ming Yan , Jie Jiang , Yingmei Wei

In recent years, the challenge of 3D shape analysis within point cloud data has gathered significant attention in computer vision. Addressing the complexities of effective 3D information representation and meaningful feature extraction for…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Md Meraz , Md Afzal Ansari , Mohammed Javed , Pavan Chakraborty

In a constant evolving world, change detection is of prime importance to keep updated maps. To better sense areas with complex geometry (urban areas in particular), considering 3D data appears to be an interesting alternative to classical…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Iris de Gélis , Sébastien Lefèvre , Thomas Corpetti

Object detection in 3D point clouds is a crucial task in a range of computer vision applications including robotics, autonomous cars, and augmented reality. This work addresses the object detection task in 3D point clouds using a highly…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Sultan Abu Ghazal , Jean Lahoud , Rao Anwer

Learning to generate 3D point clouds without 3D supervision is an important but challenging problem. Current solutions leverage various differentiable renderers to project the generated 3D point clouds onto a 2D image plane, and train deep…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Chen Chao , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

This paper presents a novel non-local part-aware deep neural network to denoise point clouds by exploring the inherent non-local self-similarity in 3D objects and scenes. Different from existing works that explore small local patches, we…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Chao Huang , Ruihui Li , Xianzhi Li , Chi-Wing Fu

Point cloud filtering and normal estimation are two fundamental research problems in the 3D field. Existing methods usually perform normal estimation and filtering separately and often show sensitivity to noise and/or inability to preserve…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Dasith de Silva Edirimuni , Xuequan Lu , Gang Li , Antonio Robles-Kelly

Autonomous vehicles generate massive volumes of point cloud data, yet only a subset is relevant for specific tasks such as collision detection, traffic analysis, or congestion monitoring. Effectively querying this data is essential to…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Xiaoyu Zhang , Zhifeng Bao , Hai Dong , Ziwei Wang , Jiajun Liu

Domain Adaptation (DA) approaches achieved significant improvements in a wide range of machine learning and computer vision tasks (i.e., classification, detection, and segmentation). However, as far as we are aware, there are few methods…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Can Qin , Haoxuan You , Lichen Wang , C. -C. Jay Kuo , Yun Fu

Point cloud reconstruction of damage offers an effective solution to image-based methods vulnerable to background noise, yet its application is constrained by the high volume of 3D data. This study proposes a new feature, relative angle,…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Linxin Hua , Jianghua Deng , Ye Lu

Point clouds are a 3D space representation of an environment that was recorded with a high precision laser scanner. These scanners can suffer from environmental interference such as surface shading, texturing, and reflections. Because of…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Esteban Segarra Martinez , Ryan P. McMahan

Point clouds are a basic data type that is increasingly of interest as 3D content becomes more ubiquitous. Applications using point clouds include virtual, augmented, and mixed reality and autonomous driving. We propose a more efficient…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Ryan Killea , Yun Li , Saeed Bastani , Paul McLachlan

Point cloud based retrieval for place recognition is still a challenging problem due to drastic appearance and illumination changes of scenes in changing environments. Existing deep learning based global descriptors for the retrieval task…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Le Hui , Mingmei Cheng , Jin Xie , Jian Yang

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Chenxi Xiao , Juan Wachs

Large and rich data is a prerequisite for effective training of deep neural networks. However, the irregularity of point cloud data makes manual annotation time-consuming and laborious. Self-supervised representation learning, which…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Xin Cao , Xinxin Han , Yifan Wang , Mengna Yang , Kang Li