English
Related papers

Related papers: Few-shot 3D LiDAR Semantic Segmentation for Autono…

200 papers

LiDAR sensors are often considered essential for autonomous driving, but high-resolution sensors remain expensive while affordable low-resolution sensors produce sparse point clouds that miss critical details. LiDAR super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 June Moh Goo , Zichao Zeng , Jan Boehm

This paper presents a fully unsupervised deep change detection approach for mobile robots with 3D LiDAR. In unstructured environments, it is infeasible to define a closed set of semantic classes. Instead, semantic segmentation is…

Robotics · Computer Science 2024-05-01 Alexander Krawciw , Jordy Sehn , Timothy D. Barfoot

Zero-shot 4D segmentation and recognition of arbitrary objects in Lidar is crucial for embodied navigation, with applications ranging from streaming perception to semantic mapping and localization. However, the primary challenge in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yushan Zhang , Aljoša Ošep , Laura Leal-Taixé , Tim Meinhardt

We propose a flexible Semi-Automatic Labeling Tool (SALT) for general LiDAR point clouds with cross-scene adaptability and 4D consistency. Unlike recent approaches that rely on camera distillation, SALT operates directly on raw LiDAR data,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Yanbo Wang , Yongtao Chen , Chuan Cao , Tianchen Deng , Wentao Zhao , Jingchuan Wang , Weidong Chen

Understanding the scene around the ego-vehicle is key to assisted and autonomous driving. Nowadays, this is mostly conducted using cameras and laser scanners, despite their reduced performances in adverse weather conditions. Automotive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Arthur Ouaknine , Alasdair Newson , Patrick Pérez , Florence Tupin , Julien Rebut

An automated vehicle operating in an urban environment must be able to perceive and recognise object/obstacles in a three-dimensional world while navigating in a constantly changing environment. In order to plan and execute accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

LiDARs and cameras are the two main sensors that are planned to be included in many announced autonomous vehicles prototypes. Each of the two provides a unique form of data from a different perspective to the surrounding environment. In…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Amr S. Mohamed , Ali Abdelkader , Mohamed Anany , Omar El-Behady , Muhammad Faisal , Asser Hangal , Hesham M. Eraqi , Mohamed N. Moustafa

Supervised keypoint localization methods rely on large manually labeled image datasets, where objects can deform, articulate, or occlude. However, creating such large keypoint labels is time-consuming and costly, and is often error-prone…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Xingzhe He , Gaurav Bharaj , David Ferman , Helge Rhodin , Pablo Garrido

LiDAR point cloud semantic segmentation plays a crucial role in autonomous driving. In recent years, semi-supervised methods have gained popularity due to their significant reduction in annotation labor and time costs. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 R. D. Lin , Pengcheng Weng , Yinqiao Wang , Han Ding , Jinsong Han , Fei Wang

In this paper, an automatic labelling process is presented for automotive datasets, leveraging on complementary information from LiDAR and camera. The generated labels are then used as ground truth with the corresponding 4D radar data as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Botao Sun , Ignacio Roldan , Francesco Fioranelli

Semantic segmentation was seen as a challenging computer vision problem few years ago. Due to recent advancements in deep learning, relatively accurate solutions are now possible for its use in automated driving. In this paper, the semantic…

Machine Learning · Statistics 2017-08-04 Mennatullah Siam , Sara Elkerdawy , Martin Jagersand , Senthil Yogamani

Understanding motion in dynamic environments is critical for autonomous driving, thereby motivating research on class-agnostic motion prediction. In this work, we investigate weakly and self-supervised class-agnostic motion prediction from…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Ruibo Li , Hanyu Shi , Zhe Wang , Guosheng Lin

Semantic segmentation approaches are typically trained on large-scale data with a closed finite set of known classes without considering unknown objects. In certain safety-critical robotics applications, especially autonomous driving, it is…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Mennatullah Siam , Alex Kendall , Martin Jagersand

Few-shot classification tasks aim to classify images in query sets based on only a few labeled examples in support sets. Most studies usually assume that each image in a task has a single and unique class association. Under these…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Lu Yin , Vlado Menkovski , Yulong Pei , Mykola Pechenizkiy

Few-shot image classification is a challenging problem that aims to achieve the human level of recognition based only on a small number of training images. One main solution to few-shot image classification is deep metric learning. These…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Xiaoxu Li , Xiaochen Yang , Zhanyu Ma , Jing-Hao Xue

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Tianya Zhang , Peter J. Jin

Semantic segmentation has emerged as a pivotal area of study in computer vision, offering profound implications for scene understanding and elevating human-machine interactions across various domains. While 2D semantic segmentation has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Aditya Krishnan , Jayneel Vora , Prasant Mohapatra

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

Understanding and interpreting a 3d environment is a key challenge for autonomous vehicles. Semantic segmentation of 3d point clouds combines 3d information with semantics and thereby provides a valuable contribution to this task. In many…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Fabian Duerr , Mario Pfaller , Hendrik Weigel , Juergen Beyerer

As rich sources of history, maps provide crucial insights into historical changes, yet their diverse visual representations and limited annotated data pose significant challenges for automated processing. We propose a simple yet effective…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Rafael Sterzinger , Marco Peer , Robert Sablatnig