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相关论文: From 3D Point Clouds To Semantic Objects An Ontolo…

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Point clouds data, as one kind of representation of 3D objects, are the most primitive output obtained by 3D sensors. Unlike 2D images, point clouds are disordered and unstructured. Hence it is not straightforward to apply classification…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Zhuyang Xie , Junzhou Chen , Bo Peng

In this paper, we study the problem of 3D object segmentation from raw point clouds. Unlike all existing methods which usually require a large amount of human annotations for full supervision, we propose the first unsupervised method,…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Ziyang Song , Bo Yang

Accurate rail location is a crucial part in the railway support driving system for safety monitoring. LiDAR can obtain point clouds that carry 3D information for the railway environment, especially in darkness and terrible weather…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Xinyi Yu , Weiqi He , Xuecheng Qian , Yang Yang , Linlin Ou

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Object detection and semantic segmentation with the 3D lidar point cloud data require expensive annotation. We propose a data augmentation method that takes advantage of already annotated data multiple times. We propose an augmentation…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Petr Šebek , Šimon Pokorný , Patrik Vacek , Tomáš Svoboda

The field of 3D object detection from point clouds is rapidly advancing in computer vision, aiming to accurately and efficiently detect and localize objects in three-dimensional space. Current 3D detectors commonly fall short in terms of…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Hualian Sheng , Sijia Cai , Na Zhao , Bing Deng , Qiao Liang , Min-Jian Zhao , Jieping Ye

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

机器人学 · 计算机科学 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

In this paper, we focus on exploring the fusion of images and point clouds for 3D object detection in view of the complementary nature of the two modalities, i.e., images possess more semantic information while point clouds specialize in…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Ming Zhu , Chao Ma , Pan Ji , Xiaokang Yang

Locating and retrieving objects from scene-level point clouds is a challenging problem with broad applications in robotics and augmented reality. This task is commonly formulated as open-vocabulary 3D instance segmentation. Although recent…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Khanh Nguyen , Dasith de Silva Edirimuni , Ghulam Mubashar Hassan , Ajmal Mian

In the field of autonomous driving, camera-based perception models are mostly trained on clear weather data. Models that focus on addressing specific weather challenges are unable to adapt to various weather changes and primarily prioritize…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Aiyinsi Zuo , Zhaoliang Zheng

An accurate and rapid-response perception system is fundamental for autonomous vehicles to operate safely. 3D object detection methods handle point clouds given by LiDAR sensors to provide accurate depth and position information for each…

机器人学 · 计算机科学 2020-08-04 Guidong Yang , Simone Mentasti , Mattia Bersani , Yafei Wang , Francesco Braghin , Federico Cheli

We present an improved approach for 3D object detection in point cloud data based on the Frustum PointNet (F-PointNet). Compared to the original F-PointNet, our newly proposed method considers the point neighborhood when computing point…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Chengzhi Wu , Julius Pfrommer , Jürgen Beyerer , Kangning Li , Boris Neubert

Most existing 3D shape datasets and models focus solely on geometry, overlooking the material properties that determine how objects appear. We introduce a two-stage large language model (LLM) based method for inferring material composition…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Nafiseh Izadyar , Teseo Schneider

Affordance detection presents intricate challenges and has a wide range of robotic applications. Previous works have faced limitations such as the complexities of 3D object shapes, the wide range of potential affordances on real-world…

机器人学 · 计算机科学 2023-09-21 Tuan Van Vo , Minh Nhat Vu , Baoru Huang , Toan Nguyen , Ngan Le , Thieu Vo , Anh Nguyen

This review provides a systematic analysis of comprehensive survey of 3D object detection with vision-language models(VLMs) , a rapidly advancing area at the intersection of 3D vision and multimodal AI. By examining over 100 research…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Ranjan Sapkota , Konstantinos I Roumeliotis , Rahul Harsha Cheppally , Marco Flores Calero , Manoj Karkee

Visual data in autonomous driving perception, such as camera image and LiDAR point cloud, can be interpreted as a mixture of two aspects: semantic feature and geometric structure. Semantics come from the appearance and context of objects to…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Xia Chen , Jianren Wang , David Held , Martial Hebert

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

Detecting pedestrians is a crucial task in autonomous driving systems to ensure the safety of drivers and pedestrians. The technologies involved in these algorithms must be precise and reliable, regardless of environment conditions. Relying…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Òscar Lorente , Josep R. Casas , Santiago Royo , Ivan Caminal

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

Point cloud salient object detection has attracted the attention of researchers in recent years. Since existing works do not fully utilize the geometry context of 3D objects, blurry boundaries are generated when segmenting objects with…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Chen Wang , Liyuan Zhang , Le Hui , Qi Liu , Yuchao Dai