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Related papers: FuseSeg: LiDAR Point Cloud Segmentation Fusing Mul…

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The autonomous car must recognize the driving environment quickly for safe driving. As the Light Detection And Range (LiDAR) sensor is widely used in the autonomous car, fast semantic segmentation of LiDAR point cloud, which is the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Jaehyun Park , Chansoo Kim , Kichun Jo

Fusing LiDAR and camera information is essential for achieving accurate and reliable 3D object detection in autonomous driving systems. This is challenging due to the difficulty of combining multi-granularity geometric and semantic features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Jiao , Zequn Jie , Shaoxiang Chen , Jingjing Chen , Lin Ma , Yu-Gang Jiang

LiDAR-based 3D object detectors often struggle to detect far-field objects due to the sparsity of point clouds at long ranges, which limits the availability of reliable geometric cues. To address this, prior approaches augment LiDAR data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Veerain Sood , Bnalin , Gaurav Pandey

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

LiDAR point cloud streams are usually sparse in time dimension, which is limited by hardware performance. Generally, the frame rates of mechanical LiDAR sensors are 10 to 20 Hz, which is much lower than other commonly used sensors like…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Fan Lu , Guang Chen , Sanqing Qu , Zhijun Li , Yinlong Liu , Alois Knoll

Lidar-based sensing drives current autonomous vehicles. Despite rapid progress, current Lidar sensors still lag two decades behind traditional color cameras in terms of resolution and cost. For autonomous driving, this means that large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

This work proposes a method for depth completion of sparse LiDAR data using a convolutional neural network which can be used to generate semi-dense depth maps and "almost" full 3D point-clouds with significantly lower root mean squared…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Hamid Hekmatian , Jingfu Jin , Samir Al-Stouhi

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

LiDAR point clouds are fundamental to various applications, yet the extreme sparsity of high-precision geometric details hinders efficient context modeling, thereby limiting the compression speed and performance of existing methods. To…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Pengpeng Yu , Haoran Li , Runqing Jiang , Dingquan Li , Jing Wang , Liang Lin , Yulan Guo

3D panoptic segmentation is a challenging perception task that requires both semantic segmentation and instance segmentation. In this task, we notice that images could provide rich texture, color, and discriminative information, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhiwei Zhang , Zhizhong Zhang , Qian Yu , Ran Yi , Yuan Xie , Lizhuang Ma

We present a real-time, non-learning depth estimation method that fuses Light Detection and Ranging (LiDAR) data with stereo camera input. Our approach comprises three key techniques: Semi-Global Matching (SGM) stereo with Discrete…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Yasuhiro Yao , Ryoichi Ishikawa , Takeshi Oishi

It is a crucial step to achieve effective semantic segmentation of lane marking during the construction of the lane level high-precision map. In recent years, many image semantic segmentation methods have been proposed. These methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Ruochen Yin , Biao Yu , Huapeng Wu , Yutao Song , Runxin Niu

Multimodal camera-LiDAR fusion technology has found extensive application in 3D object detection, demonstrating encouraging performance. However, existing methods exhibit significant performance degradation in challenging scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Sixian Liu , Chen Xu , Qiang Wang , Donghai Shi , Yiwen Li

Collaborative perception enables more accurate and comprehensive scene understanding by learning how to share information between agents, with LiDAR point clouds providing essential precise spatial data. Due to the substantial data volume…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Ensong Liu , Rongqing Zhang , Xiang Cheng , Jian Tang

Object detection through either RGB images or the LiDAR point clouds has been extensively explored in autonomous driving. However, it remains challenging to make these two data sources complementary and beneficial to each other. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zehui Chen , Zhenyu Li , Shiquan Zhang , Liangji Fang , Qinghong Jiang , Feng Zhao , Bolei Zhou , Hang Zhao

State-of-the-art LiDAR-camera 3D object detectors usually focus on feature fusion. However, they neglect the factor of depth while designing the fusion strategy. In this work, we are the first to observe that different modalities play…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Mingqian Ji , Jian Yang , Shanshan Zhang

Modern high-definition LIDAR is expensive for commercial autonomous driving vehicles and small indoor robots. An affordable solution to this problem is fusion of planar LIDAR with RGB images to provide a similar level of perception…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Chen Fu , Chiyu Dong , Christoph Mertz , John M. Dolan

Segmenting objects in an environment is a crucial task for autonomous driving and robotics, as it enables a better understanding of the surroundings of each agent. Although camera sensors provide rich visual details, they are vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Huawei Sun , Bora Kunter Sahin , Georg Stettinger , Maximilian Bernhard , Matthias Schubert , Robert Wille

The search for refining 3D LiDAR data has attracted growing interest motivated by recent techniques such as supervised learning or generative model-based methods. Existing approaches have shown the possibilities for using diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Sander Elias Magnussen Helgesen , Kazuto Nakashima , Jim Tørresen , Ryo Kurazume

Integrated sensing and communications is a key enabler for the 6G wireless communication systems. The multiple sensing modalities will allow the base station to have a more accurate representation of the environment, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Mohammad Farzanullah , Han Zhang , Akram Bin Sediq , Ali Afana , Melike Erol-Kantarci