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Existing LiDAR semantic segmentation models often suffer from decreased accuracy when exposed to adverse weather conditions. Recent methods addressing this issue focus on enhancing training data through weather simulation or universal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Longyu Yang , Ping Hu , Shangbo Yuan , Lu Zhang , Jun Liu , Hengtao Shen , Xiaofeng Zhu

LiDAR point clouds captured in rain or snow are often corrupted by weather-induced returns, which can degrade perception and safety-critical scene understanding. This paper proposes Intensity- and Distance-Aware Statistical Outlier Removal…

Signal Processing · Electrical Eng. & Systems 2026-02-06 Chenyang Yan , Mats Bengtsson

Deep learning-based LiDAR odometry is crucial for autonomous driving and robotic navigation, yet its performance under adverse weather, especially snowfall, remains challenging. Existing models struggle to generalize across conditions due…

Robotics · Computer Science 2025-09-03 Beibei Zhou , Zhiyuan Zhang , Zhenbo Song , Jianhui Guo , Hui Kong

Nowadays, subsurface salt body localization and delineation, also called semantic segmentation of salt bodies, are among the most challenging geophysicist tasks. Thus, identifying large salt bodies is notoriously tricky and is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Luis Felipe Henriques , Sérgio Colcher , Ruy Luiz Milidiú , André Bulcão , Pablo Barros

High-autonomy vehicle functions rely on machine learning (ML) algorithms to understand the environment. Despite displaying remarkable performance in fair weather scenarios, perception algorithms are heavily affected by adverse weather and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Felix Assion , Florens Gressner , Nitin Augustine , Jona Klemenc , Ahmed Hammam , Alexandre Krattinger , Holger Trittenbach , Anja Philippsen , Sascha Riemer

Rain fills the atmosphere with water particles, which breaks the common assumption that light travels unaltered from the scene to the camera. While it is well-known that rain affects computer vision algorithms, quantifying its impact is…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Maxime Tremblay , Shirsendu Sukanta Halder , Raoul de Charette , Jean-François Lalonde

To train a well performing neural network for semantic segmentation, it is crucial to have a large dataset with available ground truth for the network to generalize on unseen data. In this paper we present novel point cloud augmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Frederik Hasecke , Martin Alsfasser , Anton Kummert

In the field of autonomous driving, camera-based perception models are mostly trained on clear weather data. Models that focus on addressing specific weather challenges are unable to adapt to various weather changes and primarily prioritize…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Aiyinsi Zuo , Zhaoliang Zheng

In autonomous driving, 3D LiDAR plays a crucial role in understanding the vehicle's surroundings. However, the newly emerged, unannotated objects presents few-shot learning problem for semantic segmentation. This paper addresses the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Junbao Zhou , Jilin Mei , Pengze Wu , Liang Chen , Fangzhou Zhao , Xijun Zhao , Yu Hu

Probabilistic methods for point set registration have demonstrated competitive results in recent years. These techniques estimate a probability distribution model of the point clouds. While such a representation has shown promise, it is…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Felix Järemo Lawin , Martin Danelljan , Fahad Shahbaz Khan , Per-Erik Forssén , Michael Felsberg

Semantic segmentation of SAR images has garnered significant attention in remote sensing due to the immunity of SAR sensors to cloudy weather and light conditions. Nevertheless, SAR imagery lacks detailed information and is plagued by…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Wang Liu , Zhiyu Wang , Xin Guo , Puhong Duan , Xudong Kang , Shutao Li

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shijie Li , Yun Liu , Juergen Gall

RT-DETRs have shown strong performance across various computer vision tasks but are known to degrade under challenging weather conditions such as fog. In this work, we investigate three novel approaches to enhance RT-DETR robustness in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Soheil Gharatappeh , Salimeh Sekeh , Vikas Dhiman

Autonomous vehicles rely on a variety of sensors to gather information about their surrounding. The vehicle's behavior is planned based on the environment perception, making its reliability crucial for safety reasons. The active LiDAR…

Robotics · Computer Science 2023-06-07 Mariella Dreissig , Dominik Scheuble , Florian Piewak , Joschka Boedecker

Unsupervised domain adaptation (UDA) in 3D segmentation tasks presents a formidable challenge, primarily stemming from the sparse and unordered nature of point cloud data. Especially for LiDAR point clouds, the domain discrepancy becomes…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Xidong Peng , Runnan Chen , Feng Qiao , Lingdong Kong , Youquan Liu , Yujing Sun , Tai Wang , Xinge Zhu , Yuexin Ma

Accurate perception is critical for vehicle safety, with LiDAR as a key enabler in autonomous driving. To ensure robust performance across environments, sensor types, and weather conditions without costly re-annotation, domain…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Weitong Kong , Zichao Zeng , Di Wen , Jiale Wei , Kunyu Peng , June Moh Goo , Jan Boehm , Rainer Stiefelhagen

As camera and LiDAR sensors capture complementary information used in autonomous driving, great efforts have been made to develop semantic segmentation algorithms through multi-modality data fusion. However, fusion-based approaches require…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Xu Yan , Jiantao Gao , Chaoda Zheng , Chao Zheng , Ruimao Zhang , Shenghui Cui , Zhen Li

Since real-world training datasets cannot properly sample the long tail of the underlying data distribution, corner cases and rare out-of-domain samples can severely hinder the performance of state-of-the-art models. This problem becomes…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Alexander Lehner , Stefano Gasperini , Alvaro Marcos-Ramiro , Michael Schmidt , Nassir Navab , Benjamin Busam , Federico Tombari

Camera localization is a fundamental and crucial problem for many robotic applications. In recent years, using deep-learning for camera-based localization has become a popular research direction. However, they lack robustness to large…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Jialu Wang , Muhamad Risqi U. Saputra , Chris Xiaoxuan Lu , Niki Trigon , Andrew Markham

In recent years, semantic segmentation has become a pivotal tool in processing and interpreting satellite imagery. Yet, a prevalent limitation of supervised learning techniques remains the need for extensive manual annotations by experts.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Aysim Toker , Marvin Eisenberger , Daniel Cremers , Laura Leal-Taixé
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