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相关论文: Point Set Voting for Partial Point Cloud Analysis

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In the practical application of point cloud completion tasks, real data quality is usually much worse than the CAD datasets used for training. A small amount of noisy data will usually significantly impact the overall system's accuracy. In…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Jieqi Shi , Peiliang Li , Xiaozhi Chen , Shaojie Shen

Point cloud filtering is a fundamental problem in geometry modeling and processing. Despite of significant advancement in recent years, the existing methods still suffer from two issues: 1) they are either designed without preserving sharp…

图形学 · 计算机科学 2020-09-29 Dongbo Zhang , Xuequan Lu , Hong Qin , Ying He

Selection is a fundamental task in exploratory analysis and visualization of 3D point clouds. Prior researches on selection methods were developed mainly based on heuristics such as local point density, thus limiting their applicability in…

人机交互 · 计算机科学 2024-05-14 Chen Zhu-Tian , Wei Zeng , Zhiguang Yang , Lingyun Yu , Chi-Wing Fu , Huamin Qu

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

As a dynamic and essential component in the road environment of urban scenarios, vehicles are the most popular investigation targets. To monitor their behavior and extract their geometric characteristics, an accurate and instant measurement…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Yan Xia , Yusheng Xu , Cheng Wang , Uwe Stilla

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

Deep learning approaches have made tremendous progress in the field of semantic segmentation over the past few years. However, most current approaches operate in the 2D image space. Direct semantic segmentation of unstructured 3D point…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Francis Engelmann , Theodora Kontogianni , Alexander Hermans , Bastian Leibe

Many point-based semantic segmentation methods have been designed for indoor scenarios, but they struggle if they are applied to point clouds that are captured by a LiDAR sensor in an outdoor environment. In order to make these methods more…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Shijie Li , Yun Liu , Juergen Gall

Learning and analyzing 3D point clouds with deep networks is challenging due to the sparseness and irregularity of the data. In this paper, we present a data-driven point cloud upsampling technique. The key idea is to learn multi-level…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Lequan Yu , Xianzhi Li , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

We propose a self-supervised method for partial point set registration. While recent proposed learning-based methods have achieved impressive registration performance on the full shape observations, these methods mostly suffer from…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Xiang Li , Lingjing Wang , Yi Fang

As 3D point cloud analysis has received increasing attention, the insufficient scale of point cloud datasets and the weak generalization ability of networks become prominent. In this paper, we propose a simple and effective augmentation…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Jinlai Zhang , Lyujie Chen , Bo Ouyang , Binbin Liu , Jihong Zhu , Yujing Chen , Yanmei Meng , Danfeng Wu

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

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

Point clouds obtained from photogrammetry are noisy and incomplete models of reality. We propose an evolutionary optimization methodology that is able to approximate the underlying object geometry on such point clouds. This approach assumes…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Jean F. Liénard

Over the last decade, the demand for better segmentation and classification algorithms in 3D spaces has significantly grown due to the popularity of new 3D sensor technologies and advancements in the field of robotics. Point-clouds are one…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Felipe Gomez Marulanda , Pieter Libin , Timothy Verstraeten , Ann Nowé

With the help of the deep learning paradigm, many point cloud networks have been invented for visual analysis. However, there is great potential for development of these networks since the given information of point cloud data has not been…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Shi Qiu , Saeed Anwar , Nick Barnes

Point clouds arising from structured data, mainly as a result of CT scans, provides special properties on the distribution of points and the distances between those. Yet often, the amount of data provided can not compare to unstructured…

计算几何 · 计算机科学 2017-02-16 Franziska Lippoldt , Hartmut Schwandt

Point cloud compression plays a crucial role in reducing the huge cost of data storage and transmission. However, distortions can be introduced into the decompressed point clouds due to quantization. In this paper, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Xiaoqing Fan , Ge Li , Dingquan Li , Yurui Ren , Wei Gao , Thomas H. Li

Point cloud segmentation and classification are some of the primary tasks in 3D computer vision with applications ranging from augmented reality to robotics. However, processing point clouds using deep learning-based algorithms is quite…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Aadesh Desai , Saagar Parikh , Seema Kumari , Shanmuganathan Raman

Many point cloud classification methods are developed under the assumption that all point clouds in the dataset are well aligned with the canonical axes so that the 3D Cartesian point coordinates can be employed to learn features. When…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Pranav Kadam , Hardik Prajapati , Min Zhang , Jintang Xue , Shan Liu , C. -C. Jay Kuo