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Related papers: Scribble-Supervised LiDAR Semantic Segmentation

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Semantic scene understanding is important for various applications. In particular, self-driving cars need a fine-grained understanding of the surfaces and objects in their vicinity. Light detection and ranging (LiDAR) provides precise…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Jens Behley , Martin Garbade , Andres Milioto , Jan Quenzel , Sven Behnke , Cyrill Stachniss , Juergen Gall

LiDAR point cloud semantic segmentation is essential for interpreting 3D environments in applications such as autonomous driving and robotics. Recent methods achieve strong performance by exploiting different point cloud representations or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Simone Mosco , Daniel Fusaro , Wanmeng Li , Emanuele Menegatti , Alberto Pretto

Advancements in clinical treatment are increasingly constrained by the limitations of supervised learning techniques, which depend heavily on large volumes of annotated data. The annotation process is not only costly but also demands…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Pranav Singh , Raviteja Chukkapalli , Shravan Chaudhari , Luoyao Chen , Mei Chen , Jinqian Pan , Craig Smuda , Jacopo Cirrone

Current methods for 3D semantic segmentation propose training models with limited annotations to address the difficulty of annotating large, irregular, and unordered 3D point cloud data. They usually focus on the 3D domain only, without…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Lechun You , Zhonghua Wu , Weide Liu , Xulei Yang , Jun Cheng , Wei Zhou , Bharadwaj Veeravalli , Guosheng Lin

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

We present a self-supervised learning approach for the semantic segmentation of lidar frames. Our method is used to train a deep point cloud segmentation architecture without any human annotation. The annotation process is automated with…

Robotics · Computer Science 2020-12-11 Hugues Thomas , Ben Agro , Mona Gridseth , Jian Zhang , Timothy D. Barfoot

Biomedical image segmentation is a crucial part of both scientific research and clinical care. With enough labelled data, deep learning models can be trained to accurately automate specific biomedical image segmentation tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hallee E. Wong , Marianne Rakic , John Guttag , Adrian V. Dalca

Point cloud instance segmentation has achieved huge progress with the emergence of deep learning. However, these methods are usually data-hungry with expensive and time-consuming dense point cloud annotations. To alleviate the annotation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Yongbin Liao , Hongyuan Zhu , Yanggang Zhang , Chuangguan Ye , Tao Chen , Jiayuan Fan

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

Semantic Segmentation is a crucial component in the perception systems of many applications, such as robotics and autonomous driving that rely on accurate environmental perception and understanding. In literature, several approaches are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ran Cheng , Ryan Razani , Yuan Ren , Liu Bingbing

Recent years have witnessed the rapid progress of perception algorithms on top of LiDAR, a widely adopted sensor for autonomous driving systems. These LiDAR-based solutions are typically data hungry, requiring a large amount of data to be…

Robotics · Computer Science 2020-11-23 Tai Wang , Conghui He , Zhe Wang , Jianping Shi , Dahua Lin

Current state-of-the-art (SOTA) 3D object detection methods often require a large amount of 3D bounding box annotations for training. However, collecting such large-scale densely-supervised datasets is notoriously costly. To reduce the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Chenqiang Gao , Chuandong Liu , Jun Shu , Fangcen Liu , Jiang Liu , Luyu Yang , Xinbo Gao , Deyu Meng

Manually labeling video datasets for segmentation tasks is extremely time consuming. In this paper, we introduce ScribbleBox, a novel interactive framework for annotating object instances with masks in videos. In particular, we split…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Bowen Chen , Huan Ling , Xiaohui Zeng , Gao Jun , Ziyue Xu , Sanja Fidler

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

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

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

Poles and building edges are frequently observable objects on urban roads, conveying reliable hints for various computer vision tasks. To repetitively extract them as features and perform association between discrete LiDAR frames for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Xiangrui Zhao , Sheng Yang , Tianxin Huang , Jun Chen , Teng Ma , Mingyang Li , Yong Liu

Competitive point cloud semantic segmentation results usually rely on a large amount of labeled data. However, data annotation is a time-consuming and labor-intensive task, particularly for three-dimensional point cloud data. Thus,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Puzuo Wang , Wei Yao

When using LiDAR semantic segmentation models for safety-critical applications such as autonomous driving, it is essential to understand and improve their robustness with respect to a large range of LiDAR corruptions. In this paper, we aim…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Xu Yan , Chaoda Zheng , Ying Xue , Zhen Li , Shuguang Cui , Dengxin Dai

Tooth point cloud segmentation is a fundamental task in many orthodontic applications. Current research mainly focuses on fully supervised learning which demands expensive and tedious manual point-wise annotation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yifan Liu , Wuyang Li , Cheng Wang , Hui Chen , Yixuan Yuan