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Detecting objects from LiDAR point clouds is an important component of self-driving car technology as LiDAR provides high resolution spatial information. Previous work on point-cloud 3D object detection has re-purposed convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Jiquan Ngiam , Benjamin Caine , Wei Han , Brandon Yang , Yuning Chai , Pei Sun , Yin Zhou , Xi Yi , Ouais Alsharif , Patrick Nguyen , Zhifeng Chen , Jonathon Shlens , Vijay Vasudevan

Visual-Spatial Systems has become increasingly essential in concrete crack inspection. However, existing methods often lacks adaptability to diverse scenarios, exhibits limited robustness in image-based approaches, and struggles with curved…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Pengru Deng , Jiapeng Yao , Chun Li , Su Wang , Xinrun Li , Varun Ojha , Xuhui He

Large driving datasets are a key component in the current development and safeguarding of automated driving functions. Various methods can be used to collect such driving data records. In addition to the use of sensor equipped research…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Laurent Kloeker , Christian Geller , Amarin Kloeker , Lutz Eckstein

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity, or near-infrared light within each pixel. These images…

Robotics · Computer Science 2025-05-06 Sier Ha , Honghao Du , Xianjia Yu , Tomi Westerlund

3D object Detection with LiDAR-camera encounters overfitting in algorithm development which is derived from the violation of some fundamental rules. We refer to the data annotation in dataset construction for theory complementing and argue…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Junjie Huang , Yun Ye , Zhujin Liang , Yi Shan , Dalong Du

Semantic segmentation of indoor point clouds has found various applications in the creation of digital twins for robotics, navigation and building information modeling (BIM). However, most existing datasets of labeled indoor point clouds…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Maxime Mérizette , Nicolas Audebert , Pierre Kervella , Jérôme Verdun

In the efforts for safer roads, ensuring adequate vertical clearance above roadways is of great importance. Frequently, trees or other vegetation is growing above the roads, blocking the sight of traffic signs and lights and posing danger…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Miriam Louise Carnot , Eric Peukert , Bogdan Franczyk

Recent developments in the remote sensing systems and image processing made it possible to propose a new method of the object classification and detection of the specific changes in the series of satellite Earth images (so called targeted…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 Vladimir Ignatiev , Alexey Trekin , Viktor Lobachev , Georgy Potapov , Evgeny Burnaev

Land Use Land Cover (LULC) classification is essential for national 3D mapping, geospatial analysis, and sustainable planning. Multispectral (MS) LiDAR provides synchronized spatial-spectral information, and deep learning (DL) enables 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Narges Takhtkeshha , Aldino Rizaldy , Markus Hollaus , Juha Hyyppä , Fabio Remondino , Gottfried Mandlburger

LiDAR object detection algorithms based on neural networks for autonomous driving require large amounts of data for training, validation, and testing. As real-world data collection and labeling are time-consuming and expensive,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Sebastian Huch , Luca Scalerandi , Esteban Rivera , Markus Lienkamp

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu

Remotely sensed nighttime lights (NTL) uniquely capture urban change processes that are important to human and ecological well-being, such as urbanization, socio-political conflicts and displacement, impacts from disasters, holidays, and…

Machine Learning · Computer Science 2024-05-24 Srija Chakraborty , Eleanor C. Stokes

RGB-D cameras supply rich and dense visual and spatial information for various robotics tasks such as scene understanding, map reconstruction, and localization. Integrating depth and visual information can aid robots in localization and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Ali Tourani , Saad Ejaz , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

One key vertical application that will be enabled by 6G is the automation of the processes with the increased use of robots. As a result, sensing and localization of the surrounding environment becomes a crucial factor for these robots to…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Madhushanka Padmal , Dileepa Marasinghe , Vijitha Isuru , Nalin Jayaweera , Samad Ali , Nandana Rajatheva

With the acceleration of the urban expansion, urban change detection (UCD), as a significant and effective approach, can provide the change information with respect to geospatial objects for dynamical urban analysis. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Shiqi Tian , Ailong Ma , Zhuo Zheng , Yanfei Zhong

Curbs are one of the essential elements of urban and highway traffic environments. Robust curb detection provides road structure information for motion planning in an autonomous driving system. Commonly, video cameras and 3D LiDARs are…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Dongfeng Bai , Tongtong Cao , Jingming Guo , Bingbing Liu

Increasing the density of the 3D LiDAR point cloud is appealing for many applications in robotics. However, high-density LiDAR sensors are usually costly and still limited to a level of coverage per scan (e.g., 128 channels). Meanwhile,…

Robotics · Computer Science 2022-05-13 Kaicheng Zhang , Ziyang Hong , Shida Xu , Sen Wang

Up-to-date catalogs of the urban tree population are important for municipalities to monitor and improve quality of life in cities. Despite much research on automation of tree mapping, mainly relying on dedicated airborne LiDAR or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Steve Branson , Jan Dirk Wegner , David Hall , Nico Lang , Konrad Schindler , Pietro Perona

This paper discusses the reconstruction of LoD2 building models from 2D and 3D data for large-scale urban environments. Traditional methods involve the use of LiDAR point clouds, but due to high costs and long intervals associated with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Weixiao Gao , Ravi Peters , Jantien Stoter

This paper investigates multi-scale feature approximation and transferable features for object detection from point clouds. Multi-scale features are critical for object detection from point clouds. However, multi-scale feature learning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Hao Peng , Hong Sang , Yajing Ma , Ping Qiu , Chao Ji