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相关论文: Background-Aware 3D Point Cloud Segmentationwith D…

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3D object detection has achieved remarkable progress by taking point clouds as the only input. However, point clouds often suffer from incomplete geometric structures and the lack of semantic information, which makes detectors hard to…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Hao Yang , Chen Shi , Yihong Chen , Liwei Wang

Point cloud completion referring to completing 3D shapes from partial 3D point clouds is a fundamental problem for 3D point cloud analysis tasks. Benefiting from the development of deep neural networks, researches on point cloud completion…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Jun Wang , Ying Cui , Dongyan Guo , Junxia Li , Qingshan Liu , Chunhua Shen

In this paper, we propose a point cloud classification method based on graph neural network and manifold learning. Different from the conventional point cloud analysis methods, this paper uses manifold learning algorithms to embed point…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Dinghao Yang , Wei Gao

Point cloud segmentation is the foundation of 3D environmental perception for modern intelligent systems. To solve this problem and image segmentation, conditional random fields (CRFs) are usually formulated as discrete models in label…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Fei Yang , Franck Davoine , Huan Wang , Zhong Jin

To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Ling Zhang , Zhigang Zhu

In this paper, we focus on semantic segmentation method for point clouds of urban scenes. Our fundamental concept revolves around the collaborative utilization of diverse scene representations to benefit from different context information…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Weijie Wei , Martin R. Oswald , Fatemeh Karimi Nejadasl , Theo Gevers

Learning new representations of 3D point clouds is an active research area in 3D vision, as the order-invariant point cloud structure still presents challenges to the design of neural network architectures. Recent works explored learning…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Yusuf H. Sahin , Alican Mertan , Gozde Unal

Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Hyungki Kim , Duhwan Mun

Given the prominence of current 3D sensors, a fine-grained analysis on the basic point cloud data is worthy of further investigation. Particularly, real point cloud scenes can intuitively capture complex surroundings in the real world, but…

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

3D point cloud segmentation is an important function that helps robots understand the layout of their surrounding environment and perform tasks such as grasping objects, avoiding obstacles, and finding landmarks. Current segmentation…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Jingdao Chen , Zsolt Kira , Yong K. Cho

Deep neural networks are widely used for understanding 3D point clouds. At each point convolution layer, features are computed from local neighborhoods of 3D points and combined for subsequent processing in order to extract semantic…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Jiayun Wang , Rudrasis Chakraborty , Stella X. Yu

Recent proposed neural network-based Temporal Action Detection (TAD) models are inherently limited to extracting the discriminative representations and modeling action instances with various lengths from complex scenes by shared-weights…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Le Yang , Ziwei Zheng , Yizeng Han , Hao Cheng , Shiji Song , Gao Huang , Fan Li

We present AEGIS-Net, a novel indoor place recognition model that takes in RGB point clouds and generates global place descriptors by aggregating lower-level color, geometry features and higher-level implicit semantic features. However,…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Yuhang Ming , Jian Ma , Xingrui Yang , Weichen Dai , Yong Peng , Wanzeng Kong

Unsupervised domain adaptation (UDA) is a critical challenge in the field of point cloud analysis. Previous works tackle the problem either by feature extractor adaptation to enable a shared classifier to distinguish domain-invariant…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Zicheng Wang , Zhen Zhao , Yiming Wu , Luping Zhou , Dong Xu

Unlike on images, semantic learning on 3D point clouds using a deep network is challenging due to the naturally unordered data structure. Among existing works, PointNet has achieved promising results by directly learning on point sets.…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Yiru Shen , Chen Feng , Yaoqing Yang , Dong Tian

Pothole detection is crucial for road safety and maintenance, traditionally relying on 2D image segmentation. However, existing 3D Semantic Pothole Segmentation research often overlooks point cloud sparsity, leading to suboptimal local…

计算机视觉与模式识别 · 计算机科学 2024-09-01 Sahil Nawale , Dhruv Khut , Daksh Dave , Gauransh Sawhney , Pushkar Aggrawal , Kailas Devadakar

For current object detectors, the scale of the receptive field of feature extraction operators usually increases layer by layer. Those operators are called scale-oriented operators in this paper, such as the convolution layer in CNN, and…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Jie Li , Yu Hu

We propose a new supervized learning framework for oversegmenting 3D point clouds into superpoints. We cast this problem as learning deep embeddings of the local geometry and radiometry of 3D points, such that the border of objects presents…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Loic Landrieu , Mohamed Boussaha

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg