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3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

In this work, we address the problem of 3D object detection from point cloud data in real time. For autonomous vehicles to work, it is very important for the perception component to detect the real world objects with both high accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Abhinav Sagar

Visual concept discovery has long been deemed important to improve interpretability of neural networks, because a bank of semantically meaningful concepts would provide us with a starting point for building machine learning models that…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Haiyang Huang , Zhi Chen , Cynthia Rudin

Point cloud understanding aims to acquire robust and general feature representations from unlabeled data. Masked point modeling-based methods have recently shown significant performance across various downstream tasks. These pre-training…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Yixin Zha , Chuxin Wang , Wenfei Yang , Tianzhu Zhang

In autonomous driving pipelines, perception modules provide a visual understanding of the surrounding road scene. Among the perception tasks, vehicle detection is of paramount importance for a safe driving as it identifies the position of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Jesus Zarzar , Silvio Giancola , Bernard Ghanem

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

Autonomous vehicles and robots require a full scene understanding of the environment to interact with it. Such a perception typically incorporates pixel-wise knowledge of the depths and semantic labels for each image from a video sensor.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Matthias Ochs , Adrian Kretz , Rudolf Mester

Curb detection is a crucial function in intelligent driving, essential for determining drivable areas on the road. However, the complexity of road environments makes curb detection challenging. This paper introduces CurbNet, a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Guoyang Zhao , Fulong Ma , Weiqing Qi , Yuxuan Liu , Ming Liu , Jun Ma

In this paper, we design a multimodal framework for object detection, recognition and mapping based on the fusion of stereo camera frames, point cloud Velodyne Lidar scans, and Vehicle-to-Vehicle (V2V) Basic Safety Messages (BSMs) exchanged…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Yassine Maalej , Sameh Sorour , Ahmed Abdel-Rahim , Mohsen Guizani

As a dynamic and essential component in the road environment of urban scenarios, vehicles are the most popular investigation targets. To monitor their behavior and extract their geometric characteristics, an accurate and instant measurement…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Yan Xia , Yusheng Xu , Cheng Wang , Uwe Stilla

Accurate detection of obstacles in 3D is an essential task for autonomous driving and intelligent transportation. In this work, we propose a general multimodal fusion framework FusionPainting to fuse the 2D RGB image and 3D point clouds at…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Shaoqing Xu , Dingfu Zhou , Jin Fang , Junbo Yin , Zhou Bin , Liangjun Zhang

Learning dense point-wise semantics from unstructured 3D point clouds with fewer labels, although a realistic problem, has been under-explored in literature. While existing weakly supervised methods can effectively learn semantics with only…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Yan Liu , Qingyong Hu , Yinjie Lei , Kai Xu , Jonathan Li , Yulan Guo

When performing localization and mapping, working at the level of structure can be advantageous in terms of robustness to environmental changes and differences in illumination. This paper presents SegMap: a map representation solution to…

Robotics · Computer Science 2019-01-16 Renaud Dubé , Andrei Cramariuc , Daniel Dugas , Juan Nieto , Roland Siegwart , Cesar Cadena

The unique properties of radar sensors, such as their robustness to adverse weather conditions, make them an important part of the environment perception system of autonomous vehicles. One of the first steps during the processing of radar…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Johannes Kopp , Dominik Kellner , Aldi Piroli , Vinzenz Dallabetta , Klaus Dietmayer

With the rapid progress of deep convolutional neural networks, in almost all robotic applications, the availability of 3D point clouds improves the accuracy of 3D semantic segmentation methods. Rendering of these irregular, unstructured,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Mobina Mahdavi , Fahimeh Fooladgar , Shohreh Kasaei

Autonomous vehicles may make wrong decisions due to inaccurate detection and recognition. Therefore, an intelligent vehicle can combine its own data with that of other vehicles to enhance perceptive ability, and thus improve detection…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Qi Chen , Sihai Tang , Qing Yang , Song Fu

Interpretation of Airborne Laser Scanning (ALS) point clouds is a critical procedure for producing various geo-information products like 3D city models, digital terrain models and land use maps. In this paper, we present a local and global…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Yaping Lin , George Vosselman , Yanpeng Cao , Michael Ying Yang

Unified segmentation of 3D point clouds is crucial for scene understanding, but is hindered by its sparse structure, limited annotations, and the challenge of distinguishing fine-grained object classes in complex environments. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Zongyan Han , Mohamed El Amine Boudjoghra , Jiahua Dong , Jinhong Wang , Rao Muhammad Anwer

Point cloud analysis has a wide range of applications in many areas such as computer vision, robotic manipulation, and autonomous driving. While deep learning has achieved remarkable success on image-based tasks, there are many unique…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Sushmita Sarker , Prithul Sarker , Gunner Stone , Ryan Gorman , Alireza Tavakkoli , George Bebis , Javad Sattarvand

3D semantic segmentation is one of the key tasks for autonomous driving system. Recently, deep learning models for 3D semantic segmentation task have been widely researched, but they usually require large amounts of training data. However,…

Robotics · Computer Science 2020-02-24 Yancheng Pan , Biao Gao , Jilin Mei , Sibo Geng , Chengkun Li , Huijing Zhao