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3D LiDAR point cloud data is crucial for scene perception in computer vision, robotics, and autonomous driving. Geometric and semantic scene understanding, involving 3D point clouds, is essential for advancing autonomous driving…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Li Li

One of the fundamental challenges in the design of perception systems for autonomous vehicles is validating the performance of each algorithm under a comprehensive variety of operating conditions. In the case of vision-based semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Wei Zhou , Julie Stephany Berrio , Stewart Worrall , Eduardo Nebot

Sensor degradation poses a significant challenge in autonomous driving. During heavy rainfall, the interference from raindrops can adversely affect the quality of LiDAR point clouds, resulting in, for instance, inaccurate point…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Abu Mohammed Raisuddin , Jesper Holmblad , Hamed Haghighi , Yuri Poledna , Maikol Funk Drechsler , Valentina Donzella , Eren Erdal Aksoy

Semantic scene understanding, including the perception and classification of moving agents, is essential to enabling safe and robust driving behaviours of autonomous vehicles. Cameras and LiDARs are commonly used for semantic scene…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Matthias Zeller , Daniel Casado Herraez , Bengisu Ayan , Jens Behley , Michael Heidingsfeld , Cyrill Stachniss

Lidar sensors are often used in mobile robots and autonomous vehicles to complement camera, radar and ultrasonic sensors for environment perception. Typically, perception algorithms are trained to only detect moving and static objects as…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Robin Heinzler , Philipp Schindler , Jürgen Seekircher , Werner Ritter , Wilhelm Stork

Object detection on Lidar point cloud data is a promising technology for autonomous driving and robotics which has seen a significant rise in performance and accuracy during recent years. Particularly uncertainty estimation is a crucial…

Densely annotating LiDAR point clouds remains too expensive and time-consuming to keep up with the ever growing volume of data. While current literature focuses on fully-supervised performance, developing efficient methods that take…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Ozan Unal , Dengxin Dai , Luc Van Gool

LiDAR-based 3D object detection models have traditionally struggled under rainy conditions due to the degraded and noisy scanning signals. Previous research has attempted to address this by simulating the noise from rain to improve the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Xun Huang , Hai Wu , Xin Li , Xiaoliang Fan , Chenglu Wen , Cheng Wang

The detrimental impacts of climate change include stronger and more destructive hurricanes happening all over the world. Identifying different damaged structures of an area including buildings and roads are vital since it helps the rescue…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Tashnim Chowdhury , Maryam Rahnemoonfar

Current, self-supervised depth estimation architectures rely on clear and sunny weather scenes to train deep neural networks. However, in many locations, this assumption is too strong. For example in the UK (2021), 149 days consisted of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Kieran Saunders , George Vogiatzis , Luis Manso

Although deep neural networks enable impressive visual perception performance for autonomous driving, their robustness to varying weather conditions still requires attention. When adapting these models for changed environments, such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 M. Jehanzeb Mirza , Marc Masana , Horst Possegger , Horst Bischof

We address the problem of unsupervised semantic segmentation of outdoor LiDAR point clouds in diverse traffic scenarios. The key idea is to leverage the spatiotemporal nature of a dynamic point cloud sequence and introduce drastically…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Xiao Li , Pan He , Aotian Wu , Sanjay Ranka , Anand Rangarajan

Recent research has begun exploring novel view synthesis (NVS) for LiDAR point clouds, aiming to generate realistic LiDAR scans from unseen viewpoints. However, most existing approaches do not reconstruct semantic labels, which are crucial…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Yi Chen , Tianchen Deng , Wentao Zhao , Xiaoning Wang , Wenqian Xi , Weidong Chen , Jingchuan Wang

Moving object segmentation is a crucial task for safe and reliable autonomous mobile systems like self-driving cars, improving the reliability and robustness of subsequent tasks like SLAM or path planning. While the segmentation of camera…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Leon Schwarzer , Matthias Zeller , Daniel Casado Herraez , Simon Dierl , Michael Heidingsfeld , Cyrill Stachniss

Data augmentations are important in training high-performance 3D object detectors for point clouds. Despite recent efforts on designing new data augmentations, perhaps surprisingly, most state-of-the-art 3D detectors only use a few simple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhaoqi Leng , Guowang Li , Chenxi Liu , Ekin Dogus Cubuk , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

Current adversarial attacks on motion estimation, or optical flow, optimize small per-pixel perturbations, which are unlikely to appear in the real world. In contrast, adverse weather conditions constitute a much more realistic threat…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Jenny Schmalfuss , Lukas Mehl , Andrés Bruhn

Semantic segmentation for autonomous driving is an even more challenging task when faced with adverse driving conditions. Standard models trained on data recorded under ideal conditions show a deteriorated performance in unfavorable weather…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Shishir Muralidhara , René Schuster , Didier Stricker

LiDAR-based sensors employing optical spectrum signals play a vital role in providing significant information about the target objects in autonomous driving vehicle systems. However, the presence of fog in the atmosphere severely degrades…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Ajinkya Shinde , Gaurav Sharma , Manisha Pattanaik , Sri Niwas Singh

Regularization plays a vital role in machine learning optimization. One novel regularization method called flooding makes the training loss fluctuate around the flooding level. It intends to make the model continue to random walk until it…

Machine Learning · Computer Science 2021-07-08 Zhicheng Cai , Chenglei Peng , Sidan Du

3D semantic segmentation is a fundamental task for robotic and autonomous driving applications. Recent works have been focused on using deep learning techniques, whereas developing fine-annotated 3D LiDAR datasets is extremely labor…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Biao Gao , Yancheng Pan , Chengkun Li , Sibo Geng , Huijing Zhao
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