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Accurately predicting road networks from satellite images requires a global understanding of the network topology. We propose to capture such high-level information by introducing a graph-based framework that simulates the addition of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Sotiris Anagnostidis , Aurelien Lucchi , Thomas Hofmann

This paper proposes a method for topological mapping and navigation using a monocular camera. Based on AnyLoc, keyframes are converted into descriptors to construct topological relationships, enabling loop detection and map building. Unlike…

Robotics · Computer Science 2026-01-06 Wenzheng Zhang , Yoshitaka Hara , Sousuke Nakamura

Detecting traversable road areas ahead a moving vehicle is a key process for modern autonomous driving systems. A common approach to road detection consists of exploiting color features to classify pixels as road or background. These…

Computer Vision and Pattern Recognition · Computer Science 2014-12-19 Jose M. Alvarez , Theo Gevers , Antonio M. Lopez

For many important network types (e.g., sensor networks in complex harsh environments and social networks) physical coordinate systems (e.g., Cartesian), and physical distances (e.g., Euclidean), are either difficult to discern or…

Social and Information Networks · Computer Science 2023-12-05 Anura P. Jayasumana , Randy Paffenroth , Gunjan Mahindre , Sridhar Ramasamy , Kelum Gajamannage

Detection of road curbs is an essential capability for autonomous driving. It can be used for autonomous vehicles to determine drivable areas on roads. Usually, road curbs are detected on-line using vehicle-mounted sensors, such as video…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Zhenhua Xu , Yuxiang Sun , Ming Liu

We approach instantaneous mapping, converting images to a top-down view of the world, as a translation problem. We show how a novel form of transformer network can be used to map from images and video directly to an overhead map or…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Avishkar Saha , Oscar Mendez Maldonado , Chris Russell , Richard Bowden

Lane graph estimation is an essential and highly challenging task in automated driving and HD map learning. Existing methods using either onboard or aerial imagery struggle with complex lane topologies, out-of-distribution scenarios, or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Martin Büchner , Jannik Zürn , Ion-George Todoran , Abhinav Valada , Wolfram Burgard

It has always been a research hotspot to use geographic information to assist the navigation of unmanned aerial vehicles. In this paper, a road-network-based localization method is proposed. We match roads in the measurement images to the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Yongfei Li , Dongfang Yang , Shicheng Wang , Hao He

Mapping is crucial for spatial reasoning, planning and robot navigation. Existing approaches range from metric, which require precise geometry-based optimization, to purely topological, where image-as-node based graphs lack explicit…

Robotics · Computer Science 2024-05-10 Sourav Garg , Krishan Rana , Mehdi Hosseinzadeh , Lachlan Mares , Niko Sünderhauf , Feras Dayoub , Ian Reid

Self-driving vehicles rely on urban street maps for autonomous navigation. In this paper, we introduce Pix2Map, a method for inferring urban street map topology directly from ego-view images, as needed to continually update and expand…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Xindi Wu , KwunFung Lau , Francesco Ferroni , Aljoša Ošep , Deva Ramanan

The interaction topology is critical for efficient cooperation of mobile robotic networks (MRNs). We focus on the local topology inference problem of MRNs under formation control, where an inference robot with limited observation range can…

Systems and Control · Electrical Eng. & Systems 2022-05-03 Yushan Li , Jianping He , Lin Cai , Xinping Guan

Based on the direct perception paradigm of autonomous driving, we investigate and modify the CNNs (convolutional neural networks) AlexNet and GoogLeNet that map an input image to few perception indicators (heading angle, distances to…

Machine Learning · Computer Science 2019-11-13 Der-Hau Lee , Kuan-Lin Chen , Kuan-Han Liou , Chang-Lun Liu , Jinn-Liang Liu

Convolutional neural networks (CNN) have made significant advances in detecting roads from satellite images. However, existing CNN approaches are generally repurposed semantic segmentation architectures and suffer from the poor delineation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang , Guangming Wang , Kuan Eeik Tan

Inferring the depth of images is a fundamental inverse problem within the field of Computer Vision since depth information is obtained through 2D images, which can be generated from infinite possibilities of observed real scenes. Benefiting…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Raul de Queiroz Mendes , Eduardo Godinho Ribeiro , Nicolas dos Santos Rosa , Valdir Grassi

Maps are essential for diverse applications, such as vehicle navigation and autonomous robotics. Both require spatial models for effective route planning and localization. This paper addresses the challenge of road graph construction for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Balázs Opra , Betty Le Dem , Jeffrey M. Walls , Dimitar Lukarski , Cyrill Stachniss

Estimating and understanding the current scene is an inevitable capability of automated vehicles. Usually, maps are used as prior for interpreting sensor measurements in order to drive safely and comfortably. Only few approaches take into…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Annika Meyer , Jonas Walter , Martin Lauer , Christoph Stiller

Road extraction is an essential step in building autonomous navigation systems. Detecting road segments is challenging as they are of varying widths, bifurcated throughout the image, and are often occluded by terrain, cloud, or other…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

The topology of a power grid affects its dynamic operation and settlement in the electricity market. Real-time topology identification can enable faster control action following an emergency scenario like failure of a line. This article…

Optimization and Control · Mathematics 2017-07-18 Deepjyoti Deka , Saurav Talukdar , Michael Chertkov , Murti Salapaka

This work presents a novel method for predicting vehicle trajectories in highway scenarios using efficient bird's eye view representations and convolutional neural networks. Vehicle positions, motion histories, road configuration, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Rubén Izquierdo , Álvaro Quintanar , David Fernández Llorca , Iván García Daza , Noelia Hernández , Ignacio Parra , Miguel Ángel Sotelo

This paper proposes a novel algorithm for vehicle speed-aided monocular visual-inertial localization using a topological map. The proposed system aims to address the limitations of existing methods that rely heavily on expensive sensors…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Chanuk Yang , Hayeon O , Kunsoo Huh