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相关论文: Real3D-Aug: Point Cloud Augmentation by Placing Re…

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Data augmentation is an important technique to reduce overfitting and improve learning performance, but existing works on data augmentation for 3D point cloud data are based on heuristics. In this work, we instead propose to automatically…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Wanyue Zhang , Xun Xu , Fayao Liu , Le Zhang , Chuan-Sheng Foo

Data augmentation is a key component of CNN based image recognition tasks like object detection. However, it is relatively less explored for 3D object detection. Many standard 2D object detection data augmentation techniques do not extend…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Sugirtha T , Sridevi M , Khailash Santhakumar , B Ravi Kiran , Thomas Gauthier , Senthil Yogamani

3D point cloud segmentation aims to assign semantic labels to individual points in a scene for fine-grained spatial understanding. Existing methods typically adopt data augmentation to alleviate the burden of large-scale annotation.…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Hongbin Lin , Yifan Jiang , Juangui Xu , Jesse Jiaxi Xu , Yi Lu , Zhengyu Hu , Ying-Cong Chen , Hao Wang

The validation of LiDAR-based perception of intelligent mobile systems operating in open-world applications remains a challenge due to the variability of real environmental conditions. Virtual simulations allow the generation of arbitrary…

机器人学 · 计算机科学 2025-09-04 Hubert Padusinski , Christian Steinhauser , Christian Scherl , Julian Gaal , Jacob Langner

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

LiDAR (Light Detection And Ranging) is an essential and widely adopted sensor for autonomous vehicles, particularly for those vehicles operating at higher levels (L4-L5) of autonomy. Recent work has demonstrated the promise of deep-learning…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Bernie Wang , Virginia Wu , Bichen Wu , Kurt Keutzer

Point cloud 3D object detection has recently received major attention and becomes an active research topic in 3D computer vision community. However, recognizing 3D objects in LiDAR (Light Detection and Ranging) is still a challenge due to…

计算机视觉与模式识别 · 计算机科学 2020-10-30 Yilin Wang , Jiayi Ye

In recent years, computer vision has transformed fields such as medical imaging, object recognition, and geospatial analytics. One of the fundamental tasks in computer vision is semantic image segmentation, which is vital for precise object…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Dinar Sharafutdinov , Stanislav Kuskov , Saian Protasov , Alexey Voropaev

Learning 3D scene flow from LiDAR point clouds presents significant difficulties, including poor generalization from synthetic datasets to real scenes, scarcity of real-world 3D labels, and poor performance on real sparse LiDAR point…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Chaokang Jiang , Guangming Wang , Jiuming Liu , Hesheng Wang , Zhuang Ma , Zhenqiang Liu , Zhujin Liang , Yi Shan , Dalong Du

It is counter-intuitive that multi-modality methods based on point cloud and images perform only marginally better or sometimes worse than approaches that solely use point cloud. This paper investigates the reason behind this phenomenon.…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Wenwei Zhang , Zhe Wang , Chen Change Loy

Real-time 3D object detection from point clouds is essential for dynamic scene understanding in applications such as augmented reality, robotics and navigation. We introduce a novel Spatial-prioritized and Rank-aware 3D object detection…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

Object classification using LiDAR 3D point cloud data is critical for modern applications such as autonomous driving. However, labeling point cloud data is labor-intensive as it requires human annotators to visualize and inspect the 3D data…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Ziwei Wang , Reza Arablouei , Jiajun Liu , Paulo Borges , Greg Bishop-Hurley , Nicholas Heaney

Accurate classification of objects in 3D point clouds is a significant problem in several applications, such as autonomous navigation and augmented/virtual reality scenarios, which has become a research hot spot. In this paper, we presented…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Ramin Mousa , Mitra Khezli , Mohamadreza Azadi , Vahid Nikoofard , Saba Hesaraki

Annotating objects with 3D bounding boxes in LiDAR pointclouds is a costly human driven process in an autonomous driving perception system. In this paper, we present a method to semi-automatically annotate real-world pointclouds collected…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Weishuang Zhang , B Ravi Kiran , Thomas Gauthier , Yanis Mazouz , Theo Steger

This paper presents a new approach to 3D object detection that leverages the properties of the data obtained by a LiDAR sensor. State-of-the-art detectors use neural network architectures based on assumptions valid for camera images.…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Guus Engels , Nerea Aranjuelo , Ignacio Arganda-Carreras , Marcos Nieto , Oihana Otaegui

Data augmentation is a powerful technique to enhance the performance of a deep learning task but has received less attention in 3D deep learning. It is well known that when 3D shapes are sparsely represented with low point density, the…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Tuan-Anh Vu , Srinjay Sarkar , Zhiyuan Zhang , Binh-Son Hua , Sai-Kit Yeung

We focus on the problem of class-agnostic instance segmentation of LiDAR point clouds. We propose an approach that combines graph-theoretic search with data-driven learning: it searches over a set of candidate segmentations and returns one…

机器人学 · 计算机科学 2019-12-12 Peiyun Hu , David Held , Deva Ramanan

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

Semi-supervised object detection is important for 3D scene understanding because obtaining large-scale 3D bounding box annotations on point clouds is time-consuming and labor-intensive. Existing semi-supervised methods usually employ…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Cheng-Ju Ho , Chen-Hsuan Tai , Yi-Hsuan Tsai , Yen-Yu Lin , Ming-Hsuan Yang

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang