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Related papers: LEST: Large-scale LiDAR Semantic Segmentation with…

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In this paper, we introduce a deep encoder-decoder network, named SalsaNet, for efficient semantic segmentation of 3D LiDAR point clouds. SalsaNet segments the road, i.e. drivable free-space, and vehicles in the scene by employing the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Eren Erdal Aksoy , Saimir Baci , Selcuk Cavdar

Camera and 3D LiDAR sensors have become indispensable devices in modern autonomous driving vehicles, where the camera provides the fine-grained texture, color information in 2D space and LiDAR captures more precise and farther-away distance…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Lin Zhao , Hui Zhou , Xinge Zhu , Xiao Song , Hongsheng Li , Wenbing Tao

State-of-the-art approaches for the semantic labeling of LiDAR point clouds heavily rely on the use of deep Convolutional Neural Networks (CNNs). However, transferring network architectures across different LiDAR sensor types represents a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-05 Florian Piewak , Peter Pinggera , Marius Zöllner

Scene understanding plays an essential role in enabling autonomous driving and maintaining high standards of performance and safety. To address this task, cameras and laser scanners (LiDARs) have been the most commonly used sensors, with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Yahia Dalbah , Jean Lahoud , Hisham Cholakkal

Point cloud semantic segmentation plays an essential role in autonomous driving, providing vital information about drivable surfaces and nearby objects that can aid higher level tasks such as path planning and collision avoidance. While…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Ozan Unal , Luc Van Gool , Dengxin Dai

LiDAR-based 3D object detection and semantic segmentation are critical tasks in 3D scene understanding. Traditional detection and segmentation methods supervise their models through bounding box labels and semantic mask labels. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Maoji Zheng , Ziyu Xu , Qiming Xia , Hai Wu , Chenglu Wen , Cheng Wang

In recent years, with the development of computing resources and LiDAR, point cloud semantic segmentation has attracted many researchers. For the sparsity of point clouds, although there is already a way to deal with sparse convolution,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yunzheng Su , Lei Jiang , Jie Cao

Large-scale semantic mapping is crucial for outdoor autonomous agents to fulfill high-level tasks such as planning and navigation. This paper proposes a novel method for large-scale 3D semantic reconstruction through implicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jianyuan Zhang , Zhiliu Yang , Meng Zhang

Localization is an essential task for mobile autonomous robotic systems that want to use pre-existing maps or create new ones in the context of SLAM. Today, many robotic platforms are equipped with high-accuracy 3D LiDAR sensors, which…

In the technical report, we present a novel transformer-based framework for nuScenes lidar-based object detection task, termed Spatial Expansion Group Transformer (SEGT). To efficiently handle the irregular and sparse nature of point cloud,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Cheng Mei , Hao He , Yahui Liu , Zhenhua Guo

Semantic segmentation is a key technique that enables mobile robots to understand and navigate surrounding environments autonomously. However, most existing works focus on segmenting known objects, overlooking the identification of unknown…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Wenbang Deng , Xieyuanli Chen , Qinghua Yu , Yunze He , Junhao Xiao , Huimin Lu

Casting semantic segmentation of outdoor LiDAR point clouds as a 2D problem, e.g., via range projection, is an effective and popular approach. These projection-based methods usually benefit from fast computations and, when combined with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Angelika Ando , Spyros Gidaris , Andrei Bursuc , Gilles Puy , Alexandre Boulch , Renaud Marlet

LiDAR is crucial for robust 3D scene perception in autonomous driving. LiDAR perception has the largest body of literature after camera perception. However, multi-task learning across tasks like detection, segmentation, and motion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Sambit Mohapatra , Senthil Yogamani , Varun Ravi Kumar , Stefan Milz , Heinrich Gotzig , Patrick Mäder

Semantic segmentation for robotic systems can enable a wide range of applications, from self-driving cars and augmented reality systems to domestic robots. We argue that a spherical representation is a natural one for egocentric…

Robotics · Computer Science 2022-10-26 Lukas Bernreiter , Lionel Ott , Roland Siegwart , Cesar Cadena

Semantic segmentation has a broad range of applications in a variety of domains including land coverage analysis, autonomous driving, and medical image analysis. Convolutional neural networks (CNN) and Vision Transformers (ViTs) provide the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Hans Thisanke , Chamli Deshan , Kavindu Chamith , Sachith Seneviratne , Rajith Vidanaarachchi , Damayanthi Herath

Reliable LiDAR panoptic segmentation (LPS), including both semantic and instance segmentation, is vital for many robotic applications, such as autonomous driving. This work proposes a new LPS framework named PANet to eliminate the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Jianbiao Mei , Yu Yang , Mengmeng Wang , Xiaojun Hou , Laijian Li , Yong Liu

End-to-end paradigms significantly improve the accuracy of various deep-learning-based computer vision models. To this end, tasks like object detection have been upgraded by replacing non-end-to-end components, such as removing non-maximum…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Jie Hu , Liujuan Cao , Yao Lu , ShengChuan Zhang , Yan Wang , Ke Li , Feiyue Huang , Ling Shao , Rongrong Ji

Recognizing 3D part instances from a 3D point cloud is crucial for 3D structure and scene understanding. Several learning-based approaches use semantic segmentation and instance center prediction as training tasks and fail to further…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Chunyu Sun , Xin Tong , Yang Liu

Point cloud few-shot semantic segmentation (PC-FSS) aims to segment targets of novel categories in a given query point cloud with only a few annotated support samples. The current top-performing prototypical learning methods employ…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Zhaoyang Li , Yuan Wang , Wangkai Li , Rui Sun , Tianzhu Zhang

Segmentation of plant point clouds to obtain high-precise morphological traits is essential for plant phenotyping. Although the fast development of deep learning has boosted much research on segmentation of plant point clouds, previous…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Ruiming Du , Zhihong Ma , Pengyao Xie , Yong He , Haiyan Cen