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Accurate and robust environmental perception is crucial for robot autonomous navigation. While current methods typically adopt optical sensors (e.g., camera, LiDAR) as primary sensing modalities, their susceptibility to visual occlusion…

Robotics · Computer Science 2025-09-04 Ruibin Zhang , Fei Gao

Synthetic aperture radar technology is crucial for high-resolution imaging under various conditions; however, the acquisition of real-world synthetic aperture radar data for deep learning-based automatic target recognition remains…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Minjun Kim , Ohtae Jang , Haekang Song , Heesub Shin , Jaewoo Ok , Minyoung Back , Jaehyuk Youn , Sungho Kim

Moving objects can greatly jeopardize the performance of a visual simultaneous localization and mapping (vSLAM) system which relies on the static-world assumption. Motion removal have seen successful on solving this problem. Two main…

Robotics · Computer Science 2019-08-01 Ting Sun , Yuxiang Sun , Ming Liu , Dit-Yan Yeung

For best performance, today's semantic segmentation methods use large and carefully labeled datasets, requiring expensive annotation budgets. In this work, we show that coarse annotation is a low-cost but highly effective alternative for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Anurag Das , Yongqin Xian , Yang He , Zeynep Akata , Bernt Schiele

A robust and reliable semantic segmentation in adverse weather conditions is very important for autonomous cars, but most state-of-the-art approaches only achieve high accuracy rates in optimal weather conditions. The reason is that they…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Andreas Pfeuffer , Klaus Dietmayer

Semantic segmentation of LiDAR point clouds has been widely studied in recent years, with most existing methods focusing on tackling this task using a single scan of the environment. However, leveraging the temporal stream of observations…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Enxu Li , Sergio Casas , Raquel Urtasun

Off-road image semantic segmentation is challenging due to the presence of uneven terrains, unstructured class boundaries, irregular features and strong textures. These aspects affect the perception of the vehicle from which the information…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Kasi Viswanath , Kartikeya Singh , Peng Jiang , Sujit P. B. , Srikanth Saripalli

There is a current increase in the development of "4D" Doppler-capable radar and lidar range sensors that produce 3D point clouds where all points also have information about the radial velocity relative to the sensor. 4D radars in…

Robotics · Computer Science 2023-10-30 Vladimír Kubelka , Emil Fritz , Martin Magnusson

In complex environments, low-cost and robust localization is a challenging problem. For example, in a GPSdenied environment, LiDAR can provide accurate position information, but the cost is high. In general, visual SLAM based localization…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Dong Han , Zuhao Zou , Lujia Wang , Cheng-Zhong Xu

In this study, we present a novel LiDAR-based semantic segmentation framework tailored for autonomous forklifts operating in complex outdoor environments. Central to our approach is the integration of a dual LiDAR system, which combines…

Robotics · Computer Science 2025-05-29 Benjamin Serfling , Hannes Reichert , Lorenzo Bayerlein , Konrad Doll , Kati Radkhah-Lens

Robots require a semantic understanding of their surroundings to operate in an efficient and explainable way in human environments. In the literature, there has been an extensive focus on object labeling and exhaustive scene graph…

Robotics · Computer Science 2024-04-16 Roberto Bigazzi , Lorenzo Baraldi , Shreyas Kousik , Rita Cucchiara , Marco Pavone

Radar is a key component of the suite of perception sensors used for safe and reliable navigation of autonomous vehicles. Its unique capabilities include high-resolution velocity imaging, detection of agents in occlusion and over long…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Arvind Srivastav , Soumyajit Mandal

Sclera segmentation is crucial for developing automatic eye-related medical computer-aided diagnostic systems, as well as for personal identification and verification, because the sclera contains distinct personal features. Deep…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Guanjun Wang , Lu Wang , Ning Niu , Qiaoyi Yao , Yixuan Wang , Sufen Ren , Shengchao Chen

Transfer Learning methods are widely used in satellite image segmentation problems and improve performance upon classical supervised learning methods. In this study, we present a semantic segmentation method that allows us to make land…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Metehan Yalçın , Ahmet Alp Kındıroğlu , Furkan Burak Bağcı , Ufuk Uyan , Mahiye Uluyağmur Öztürk

LiDAR-based SLAM system is admittedly more accurate and stable than others, while its loop closure detection is still an open issue. With the development of 3D semantic segmentation for point cloud, semantic information can be obtained…

Robotics · Computer Science 2021-07-02 Lin Li , Xin Kong , Xiangrui Zhao , Wanlong Li , Feng Wen , Hongbo Zhang , Yong Liu

In autonomous driving and robotics, ensuring road safety and reliable decision-making critically depends on out-of-distribution (OOD) segmentation. While numerous methods have been proposed to detect anomalous objects on the road,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Seungheon Song , Jaekoo Lee

Semantic segmentation labels are expensive and time consuming to acquire. Hence, pretraining is commonly used to improve the label-efficiency of segmentation models. Typically, the encoder of a segmentation model is pretrained as a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Emmanuel Brempong Asiedu , Simon Kornblith , Ting Chen , Niki Parmar , Matthias Minderer , Mohammad Norouzi

Radar has become an essential sensor for autonomous navigation, especially in challenging environments where camera and LiDAR sensors fail. 4D single-chip millimeter-wave radar systems, in particular, have drawn increasing attention thanks…

Robotics · Computer Science 2025-03-18 Jingqi Jiang , Shida Xu , Kaicheng Zhang , Jiyuan Wei , Jingyang Wang , Sen Wang

LiDAR-based localization is valuable for applications like mining surveys and underground facility maintenance. However, existing methods can struggle when dealing with uninformative geometric structures in challenging scenarios. This paper…

Robotics · Computer Science 2024-03-18 Zhiqiang Chen , Hongbo Chen , Yuhua Qi , Shipeng Zhong , Dapeng Feng , Wu Jin , Weisong Wen , Ming Liu

LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent robots. To fulfill the real-time requirements in real-world applications, it is necessary to efficiently segment the LiDAR scans. Most of previous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Song Wang , Jianke Zhu , Ruixiang Zhang