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相关论文: Point Cloud Compression and Objective Quality Asse…

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Visual control policies can encounter significant performance degradation when visual conditions like lighting or camera position differ from those seen during training -- often exhibiting sharp declines in capability even for minor…

机器人学 · 计算机科学 2024-04-30 Skand Peri , Iain Lee , Chanho Kim , Li Fuxin , Tucker Hermans , Stefan Lee

Point clouds have gained prominence across numerous applications due to their ability to accurately represent 3D objects and scenes. However, efficiently compressing unstructured, high-precision point cloud data remains a significant…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Hongning Ruan , Yulin Shao , Qianqian Yang , Liang Zhao , Zhaoyang Zhang , Dusit Niyato

Point cloud has been widely used in the field of autonomous driving since it can provide a more comprehensive three-dimensional representation of the environment than 2D images. Point-wise prediction based on point cloud sequence (PCS) is…

机器人学 · 计算机科学 2021-09-16 Haowen Wang , Zirui Li , Jianwei Gong

Great progress has been made in point cloud classification with learning-based methods. However, complex scene and sensor inaccuracy in real-world application make point cloud data suffer from corruptions, such as occlusion, noise and…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Lifa Zhu , Changwei Lin , Chen Zheng , Ninghua Yang

As the basic task of point cloud analysis, classification is fundamental but always challenging. To address some unsolved problems of existing methods, we propose a network that captures geometric features of point clouds for better…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

This research focuses on visual industrial inspection by evaluating point clouds and multi-point cloud matching methods. We also introduce a synthetic dataset for quantitative evaluation of registration method and various distance metrics…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Ulugbek Alibekov , Vanessa Staderini , Philipp Schneider , Doris Antensteiner

We present a review of 3D point cloud processing and learning for autonomous driving. As one of the most important sensors in autonomous vehicles, light detection and ranging (LiDAR) sensors collect 3D point clouds that precisely record the…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Siheng Chen , Baoan Liu , Chen Feng , Carlos Vallespi-Gonzalez , Carl Wellington

Local density of point clouds is crucial for representing local details, but has been overlooked by existing point cloud compression methods. To address this, we propose a novel deep point cloud compression method that preserves local…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Yun He , Xinlin Ren , Danhang Tang , Yinda Zhang , Xiangyang Xue , Yanwei Fu

Point cloud coding solutions have been recently standardized to address the needs of multiple application scenarios. The design and assessment of point cloud coding methods require reliable objective quality metrics to evaluate the level of…

图像与视频处理 · 电气工程与系统科学 2021-08-06 Alireza Javaheri , Catarina Brites , Fernando Pereira , João Ascenso

Point cloud registration plays a crucial role in various fields, including robotics, computer graphics, and medical imaging. This process involves determining spatial relationships between different sets of points, typically within a 3D…

计算机视觉与模式识别 · 计算机科学 2023-09-28 Yikun Bai , Huy Tran , Steven B. Damelin , Soheil Kolouri

With the development of the 3D data acquisition facilities, the increasing scale of acquired 3D point clouds poses a challenge to the existing data compression techniques. Although promising performance has been achieved in static point…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Guangchi Fang , Qingyong Hu , Yiling Xu , Yulan Guo

This paper presents a novel end-to-end Learned Point Cloud Geometry Compression (a.k.a., Learned-PCGC) framework, to efficiently compress the point cloud geometry (PCG) using deep neural networks (DNN) based variational autoencoders (VAE).…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Jianqiang Wang , Hao Zhu , Zhan Ma , Tong Chen , Haojie Liu , Qiu Shen

Many types of 3D acquisition sensors have emerged in recent years and point cloud has been widely used in many areas. Accurate and fast registration of cross-source 3D point clouds from different sensors is an emerged research problem in…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Xiaoshui Huang , Lixin Fan , Qiang Wu , Jian Zhang , Chun Yuan

The purpose of this work is to review the state-of-the-art LiDAR-based 3D object detection methods, datasets, and challenges. We describe novel data augmentation methods, sampling strategies, activation functions, attention mechanisms, and…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Walter Zimmer , Emec Ercelik , Xingcheng Zhou , Xavier Jair Diaz Ortiz , Alois Knoll

Computer-Aided Design is ubiquitous in todays world, as almost every manufactured object begins as a digital model across industries. At the same time, advances in 3D sensing have made point clouds a dominant form of raw 3D data. Recovering…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Said Harb , Mehdi Maboudi , Markus Gerke

In the field of autonomous driving, a variety of sensor data types exist, each representing different modalities of the same scene. Therefore, it is feasible to utilize data from other sensors to facilitate image compression. However, few…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Yiheng Jiang , Haotian Zhang , Li Li , Dong Liu , Zhu Li

In recent years, there has been a significant increase in the utilization of deep learning methods, particularly convolutional neural networks (CNNs), which have emerged as the dominant approach in various domains that involve structured…

机器学习 · 计算机科学 2024-04-09 Chester Luo , Kevin Lai

With the rapid development of 3D vision, point cloud has become an increasingly popular 3D visual media content. Due to the irregular structure, point cloud has posed novel challenges to the related research, such as compression,…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Ziyu Shan , Qi Yang , Rui Ye , Yujie Zhang , Yiling Xu , Xiaozhong Xu , Shan Liu

In recent years, No-Reference Point Cloud Quality Assessment (NR-PCQA) research has achieved significant progress. However, existing methods mostly seek a direct mapping function from visual data to the Mean Opinion Score (MOS), which is…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Yating Liu , Yujie Zhang , Ziyu Shan , Yiling Xu

The increasing adoption of 3D point cloud data in various applications, such as autonomous vehicles, robotics, and virtual reality, has brought about significant advancements in object recognition and scene understanding. However, this…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Wenhao Lan , Yijun Yang , Haihua Shen , Shan Li