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Semantic segmentation of 3D point cloud data is essential for enhanced high-level perception in autonomous platforms. Furthermore, given the increasing deployment of LiDAR sensors onboard of cars and drones, a special emphasis is also…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Yara Ali Alnaggar , Mohamed Afifi , Karim Amer , Mohamed Elhelw

A key challenge for autonomous vehicles is to navigate in unseen dynamic environments. Separating moving objects from static ones is essential for navigation, pose estimation, and understanding how other traffic participants are likely to…

Robotics · Computer Science 2022-06-10 Benedikt Mersch , Xieyuanli Chen , Ignacio Vizzo , Lucas Nunes , Jens Behley , Cyrill Stachniss

We present a boundary-aware domain adaptation model for LiDAR scan full-scene semantic segmentation (LiDARNet). Our model can extract both the domain private features and the domain shared features with a two-branch structure. We embedded…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Peng Jiang , Srikanth Saripalli

In this paper, we proposed large selective kernel and sparse attention network (LSKSANet) for remote sensing image semantic segmentation. The LSKSANet is a lightweight network that effectively combines convolution with sparse attention…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Miao Fu , Feng Gao , Ruzhuang Hua , Yanhai Gan , Xiaowei Zhou , Yang Zhou

3D semantic segmentation is one of the most crucial tasks in driving perception. The ability of a learning-based model to accurately perceive dense 3D surroundings often ensures the safe operation of autonomous vehicles. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Qing Wu

LiDAR-based 3D point cloud recognition has been proven beneficial in various applications. However, the sparsity and varying density pose a significant challenge in capturing intricate details of objects, particularly for medium-range and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Zaipeng Duan , Xuzhong Hu , Pei An , Jie Ma

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Semantic segmentation and semantic edge detection can be seen as two dual problems with close relationships in computer vision. Despite the fast evolution of learning-based 3D semantic segmentation methods, little attention has been drawn…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Zeyu Hu , Mingmin Zhen , Xuyang Bai , Hongbo Fu , Chiew-lan Tai

3D vehicle detection based on point cloud is a challenging task in real-world applications such as autonomous driving. Despite significant progress has been made, we observe two aspects to be further improved. First, the semantic context…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Hongwei Yi , Shaoshuai Shi , Mingyu Ding , Jiankai Sun , Kui Xu , Hui Zhou , Zhe Wang , Sheng Li , Guoping Wang

Semantic segmentation metrics for 3D point clouds, such as mean Intersection over Union (mIoU) and Overall Accuracy (OA), present two key limitations in the context of aerial LiDAR data. First, they treat all misclassifications equally…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Alex Salvatierra , José Antonio Sanz , Christian Gutiérrez , Mikel Galar

Within a perception framework for autonomous mobile and robotic systems, semantic analysis of 3D point clouds typically generated by LiDARs is key to numerous applications, such as object detection and recognition, and scene reconstruction.…

Robotics · Computer Science 2024-10-14 Samir Abou Haidar , Alexandre Chariot , Mehdi Darouich , Cyril Joly , Jean-Emmanuel Deschaud

Detecting objects in 3D LiDAR data is a core technology for autonomous driving and other robotics applications. Although LiDAR data is acquired over time, most of the 3D object detection algorithms propose object bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Rui Huang , Wanyue Zhang , Abhijit Kundu , Caroline Pantofaru , David A Ross , Thomas Funkhouser , Alireza Fathi

Point clouds analysis has grasped researchers' eyes in recent years, while 3D semantic segmentation remains a problem. Most deep point clouds models directly conduct learning on 3D point clouds, which will suffer from the severe sparsity…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Zhenhong Zou , Yizhe Li

Online 3D scene perception in real time is essential for robotics, AR/VR, and autonomous systems, particularly in edge computing scenarios where computational resources are limited and privacy is crucial. Recent state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Qin Liu , Lavisha Aggarwal , Saptarashmi Bandyopadhyay , Vikas Bahirwani , Marc Niethammer , Ehsan Adeli , Andrea Colaco

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

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

The need for fine-grained perception in autonomous driving systems has resulted in recently increased research on online semantic segmentation of single-scan LiDAR. Despite the emerging datasets and technological advancements, it remains…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Yang Zhang , Zixiang Zhou , Philip David , Xiangyu Yue , Zerong Xi , Boqing Gong , Hassan Foroosh

It is a crucial step to achieve effective semantic segmentation of lane marking during the construction of the lane level high-precision map. In recent years, many image semantic segmentation methods have been proposed. These methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Ruochen Yin , Biao Yu , Huapeng Wu , Yutao Song , Runxin Niu

LiDAR (Light Detection and Ranging) has become an essential part of the remote sensing toolbox used for biosphere monitoring. In particular, LiDAR provides the opportunity to map forest leaf area with unprecedented accuracy, while leaf area…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yuchen Bai , Jean-Baptiste Durand , Grégoire Vincent , Florence Forbes

LiDAR-based 3D object detection pushes forward an immense influence on autonomous vehicles. Due to the limitation of the intrinsic properties of LiDAR, fewer points are collected at the objects farther away from the sensor. This imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ziyu Li , Yuncong Yao , Zhibin Quan , Wankou Yang , Jin Xie