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Related papers: LAPTNet-FPN: Multi-scale LiDAR-aided Projective Tr…

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Semantic Segmentation (SS) of LiDAR point clouds is essential for many applications, such as urban planning and autonomous driving. While much progress has been made in interpreting SS predictions for images, interpreting point cloud SS…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Abhishek Kuriyal , Vaibhav Kumar

LiDAR-based 3D object detection, semantic segmentation, and panoptic segmentation are usually implemented in specialized networks with distinctive architectures that are difficult to adapt to each other. This paper presents LidarMultiNet, a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Dongqiangzi Ye , Zixiang Zhou , Weijia Chen , Yufei Xie , Yu Wang , Panqu Wang , Hassan Foroosh

Scene understanding plays an essential role in enabling autonomous driving and maintaining high standards of performance and safety. To address this task, cameras and laser scanners (LiDARs) have been the most commonly used sensors, with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Yahia Dalbah , Jean Lahoud , Hisham Cholakkal

Autonomous driving in high-speed racing, as opposed to urban environments, presents significant challenges in scene understanding due to rapid changes in the track environment. Traditional sequential network approaches may struggle to meet…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Suwesh Prasad Sah

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

Reliable and accurate localization and mapping are key components of most autonomous systems. Besides geometric information about the mapped environment, the semantics plays an important role to enable intelligent navigation behaviors. In…

LiDAR's dense, sharp point cloud (PC) representations of the surrounding environment enable accurate perception and significantly improve road safety by offering greater scene awareness and understanding. However, LiDAR's high cost…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 William Muckelroy , Mohammed Alsakabi , John Dolan , Ozan Tonguz

Scene understanding based on LiDAR point cloud is an essential task for autonomous cars to drive safely, which often employs spherical projection to map 3D point cloud into multi-channel 2D images for semantic segmentation. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Aoran Xiao , Xiaofei Yang , Shijian Lu , Dayan Guan , Jiaxing Huang

Photorealistic simulation plays a crucial role in applications such as autonomous driving, where advances in neural radiance fields (NeRFs) may allow better scalability through the automatic creation of digital 3D assets. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Shanlin Sun , Bingbing Zhuang , Ziyu Jiang , Buyu Liu , Xiaohui Xie , Manmohan Chandraker

In a fully autonomous driving framework, where vehicles operate without human intervention, information sharing plays a fundamental role. In this context, new network solutions have to be designed to handle the large volumes of data…

Networking and Internet Architecture · Computer Science 2021-03-08 Andrea Varischio , Francesco Mandruzzato , Marcello Bullo , Marco Giordani , Paolo Testolina , Michele Zorzi

Semantic 2D maps are commonly used by humans and machines for navigation purposes, whether it's walking or driving. However, these maps have limitations: they lack detail, often contain inaccuracies, and are difficult to create and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Paul-Edouard Sarlin , Eduard Trulls , Marc Pollefeys , Jan Hosang , Simon Lynen

In this paper, we propose PointSeg, a real-time end-to-end semantic segmentation method for road-objects based on spherical images. We take the spherical image, which is transformed from the 3D LiDAR point clouds, as input of the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Yuan Wang , Tianyue Shi , Peng Yun , Lei Tai , Ming Liu

In this paper, we study the local visual modeling with grid features for image captioning, which is critical for generating accurate and detailed captions. To achieve this target, we propose a Locality-Sensitive Transformer Network (LSTNet)…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Yiwei Ma , Jiayi Ji , Xiaoshuai Sun , Yiyi Zhou , Rongrong Ji

Real-time traffic prediction from high-fidelity spatiotemporal traffic sensor datasets is an important problem for intelligent transportation systems and sustainability. However, it is challenging due to the complex topological dependencies…

Social and Information Networks · Computer Science 2016-07-22 Dingxiong Deng , Cyrus Shahabi , Ugur Demiryurek , Linhong Zhu , Rose Yu , Yan Liu

The detection of semantic relationships between objects represented in an image is one of the fundamental challenges in image interpretation. Neural-Symbolic techniques, such as Logic Tensor Networks (LTNs), allow the combination of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Francesco Manigrasso , Filomeno Davide Miro , Lia Morra , Fabrizio Lamberti

Large-scale semantic mapping is crucial for outdoor autonomous agents to fulfill high-level tasks such as planning and navigation. This paper proposes a novel method for large-scale 3D semantic reconstruction through implicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jianyuan Zhang , Zhiliu Yang , Meng Zhang

Autonomous robotic systems and self driving cars rely on accurate perception of their surroundings as the safety of the passengers and pedestrians is the top priority. Semantic segmentation is one the essential components of environmental…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Ran Cheng , Ryan Razani , Ehsan Taghavi , Enxu Li , Bingbing Liu

Trajectory prediction in autonomous driving relies on accurate representation of all relevant contexts of the driving scene, including traffic participants, road topology, traffic signs, as well as their semantic relations to each other.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Zhigang Sun , Zixu Wang , Lavdim Halilaj , Juergen Luettin

Semantic road region segmentation is a high-level task, which paves the way towards road scene understanding. This paper presents a residual network trained for semantic road segmentation. Firstly, we represent the projections of road…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 Rui Fan , Yuan Wang , Lei Qiao , Ruiwen Yao , Peng Han , Weidong Zhang , Ioannis Pitas , Ming Liu

3D scene understanding is a critical yet challenging task in autonomous driving due to the irregularity and sparsity of LiDAR data, as well as the computational demands of processing large-scale point clouds. Recent methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Bin Yang , Alexandru Paul Condurache