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Historical map collections are highly diverse in style, scale, and geographic focus, often consisting of many single-sheet documents. Yet most work in map recognition focuses on specialist models tailored to homogeneous map series. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Remi Petitpierre

Traditional map-making relies heavily on Geographic Information Systems (GIS), requiring domain expertise and being time-consuming, especially for repetitive tasks. Recent advances in generative AI (GenAI), particularly image diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Claudio Affolter , Sidi Wu , Yizi Chen , Lorenz Hurni

We propose an end-to-end real time framework to generate high resolution graphics grade textured 3D map of urban environment. The generated detailed map finds its application in the precise localization and navigation of autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Ashish Kumar , James R. McBride , Gaurav Pandey

Vectorization process focus on grouping pixels of a raster image into raw line segments, and forming lines, polylines or poligons. To vectorize massive raster images regarding resource and performane problems, weuse a distributed HIPI image…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-05 Suleyman Eken , Eray Aydin , Ahmet Sayar

Cost-maps are used by robotic vehicles to plan collision-free paths. The cost associated with each cell in the map represents the sensed environment information which is often determined manually after several trial-and-error efforts. In…

Robotics · Computer Science 2022-10-19 Kasi Vishwanath , P. B. Sujit , Srikanth Saripalli

When humans play geolocation games such as GeoGuessr, they rely on concrete visual cues, such as road markings, vegetation, or architectural details, to infer where an image was captured. Whether image geolocation models rely on similar…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Emilie Durrieu , Christophe Hurter , Philippe Muller , Victor Boutin

Object detection in road scenes is necessary to develop both autonomous vehicles and driving assistance systems. Even if deep neural networks for recognition task have shown great performances using conventional images, they fail to detect…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Rachel Blin , Samia Ainouz , Stéphane Canu , Fabrice Meriaudeau

This article introduces a novel approach to constructing a topometric map that allows for efficient navigation and decision-making in mobile robotics applications. The method generates the topometric map from a 2D grid-based map. The…

Robotics · Computer Science 2024-06-18 Scott Fredriksson , Akshit Saradagi , George Nikolakopoulos

Online mapping models show remarkable results in predicting vectorized maps from multi-view camera images only. However, all existing approaches still rely on ground-truth high-definition maps during training, which are expensive to obtain…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Christian Löwens , Thorben Funke , Jingchao Xie , Alexandru Paul Condurache

Polarimetric imaging, along with deep learning, has shown improved performances on different tasks including scene analysis. However, its robustness may be questioned because of the small size of the training datasets. Though the issue…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Cyprien Ruffino , Rachel Blin , Samia Ainouz , Gilles Gasso , Romain Hérault , Fabrice Meriaudeau , Stéphane Canu

Building a fully autonomous self-driving system has been discussed for more than 20 years yet remains unsolved. Previous systems have limited ability to scale. Their localization subsystem needs labor-intensive map recording for running in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Alan Sun

A good object segmentation should contain clear contours and complete regions. However, mask-based segmentation can not handle contour features well on a coarse prediction grid, thus causing problems of blurry edges. While contour-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Junwen Chen , Yi Lu , Yaran Chen , Dongbin Zhao , Zhonghua Pang

Semantic image segmentation is an essential component of modern autonomous driving systems, as an accurate understanding of the surrounding scene is crucial to navigation and action planning. Current state-of-the-art approaches in semantic…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Tobias Pohlen , Alexander Hermans , Markus Mathias , Bastian Leibe

We present AutoMerge, a LiDAR data processing framework for assembling a large number of map segments into a complete map. Traditional large-scale map merging methods are fragile to incorrect data associations, and are primarily limited to…

Robotics · Computer Science 2023-06-28 Peng Yin , Haowen Lai , Shiqi Zhao , Ruohai Ge , Ji Zhang , Howie Choset , Sebastian Scherer

Existing lane-level simulation road network generation is labor-intensive, resource-demanding, and costly due to the need for large-scale data collection and manual post-editing. To overcome these limitations, we propose automatically…

Multimedia · Computer Science 2025-09-04 Liang Xie , Wenke Huang

Up-to-date High-Definition (HD) maps are essential for self-driving cars. To achieve constantly updated HD maps, we present a deep neural network (DNN), Diff-Net, to detect changes in them. Compared to traditional methods based on object…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Lei He , Shengjie Jiang , Xiaoqing Liang , Ning Wang , Shiyu Song

3D object detection is a key perception component in autonomous driving. Most recent approaches are based on Lidar sensors only or fused with cameras. Maps (e.g., High Definition Maps), a basic infrastructure for intelligent vehicles,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Jin Fang , Dingfu Zhou , Xibin Song , Liangjun Zhang

Artificial intelligence for autonomous driving must meet strict requirements on safety and robustness. We propose to validate machine learning models for self-driving vehicles not only with given ground truth labels, but also with…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Laura von Rueden , Tim Wirtz , Fabian Hueger , Jan David Schneider , Christian Bauckhage

Motion planning is a complicated task that requires the combination of perception, map information integration and prediction, particularly when driving in heavy traffic. Developing an extensible and efficient representation that visualizes…

Robotics · Computer Science 2024-10-14 Ren Xin , Sheng Wang , Yingbing Chen , Jie Cheng , Ming Liu , Jun Ma

Autonomous vehicles are gradually entering city roads today, with the help of high-definition maps (HDMaps). However, the reliance on HDMaps prevents autonomous vehicles from stepping into regions without this expensive digital…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Zhou Jiang , Zhenxin Zhu , Pengfei Li , Huan-ang Gao , Tianyuan Yuan , Yongliang Shi , Hang Zhao , Hao Zhao