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In this paper we present an algorithm to build a road network map enriched with traffic rules such as one-way streets and forbidden turns, based on the interpretation of already detected and classified traffic signs. Such algorithm helps to…

人工智能 · 计算机科学 2016-11-22 Daniil Galaktionov , Miguel R. Luaces , Ángeles S. Places

Environmental monitoring and surveying operations on rivers currently are performed primarily with manually-operated boats. In this domain, autonomous coverage of areas is of vital importance, for improving both the quality and the…

Rendering volumetric scattering media, including clouds, fog, smoke, and other complex materials, is crucial for realism in computer graphics. Traditional path tracing, while unbiased, requires many long path samples to converge in scenes…

图形学 · 计算机科学 2024-04-19 Becky Hu , Xi Deng , Fujun Luan , Miloš Hašan , Steve Marschner

Graph coloring is used in wireless networks to optimize network resources: bandwidth and energy. Nodes access the medium according to their color. It is the responsibility of the coloring algorithm to ensure that interfering nodes do not…

网络与互联网体系结构 · 计算机科学 2011-10-10 Ichrak Amdouni , Cédric Adjih , Pascale Minet

In this contribution, a semi-automatic segmentation algorithm for (medical) image analysis is presented. More precise, the approach belongs to the category of interactive contouring algorithms, which provide real-time feedback of the…

计算机视觉与模式识别 · 计算机科学 2014-06-10 Jan Egger

Randomized block Kaczmraz method plays an important role in solving large-scale linear system. One of the key points of this type of methods is how to effectively select working rows. However, in most of the state-of-the-art randomized…

数值分析 · 数学 2023-12-04 Gang Wu , Qiao Chang

Autonomous navigation in unstructured off-road environments is greatly improved by semantic scene understanding. Conventional image processing algorithms are difficult to implement and lack robustness due to a lack of structure and high…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Anthony Medellin , Anant Bhamri , Reza Langari , Swaminathan Gopalswamy

Semantic road region segmentation is a high-level task, which paves the way towards road scene understanding. This paper presents a residual network trained for semantic road segmentation. Firstly, we represent the projections of road…

计算机视觉与模式识别 · 计算机科学 2019-10-30 Rui Fan , Yuan Wang , Lei Qiao , Ruiwen Yao , Peng Han , Weidong Zhang , Ioannis Pitas , Ming Liu

Deep neural networks for aerial image segmentation require large amounts of labeled data, but high-quality aerial datasets with precise annotations are scarce and costly to produce. To address this limitation, we propose a self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Rupert Polley , Sai Vignesh Abishek Deenadayalan , J. Marius Zöllner

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

Autonomous driving requires an understanding of the static environment from sensor data. Learned Bird's-Eye View (BEV) encoders are commonly used to fuse multiple inputs, and a vector decoder predicts a vectorized map representation from…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Thomas Monninger , Zihan Zhang , Zhipeng Mo , Md Zafar Anwar , Steffen Staab , Sihao Ding

We propose a machine learning based approach for automatic 3D building reconstruction and vectorization. Taking a single-channel photogrammetric digital surface model (DSM) and panchromatic (PAN) image as input, we first filter out…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Yi Wang , Stefano Zorzi , Ksenia Bittner

We propose a method for characterizing large complex networks by introducing a new matrix structure, unique for a given network, which encodes structural information; provides useful visualization, even for very large networks; and allows…

无序系统与神经网络 · 物理学 2008-02-28 J. P. Bagrow , E. M. Bollt , J. D. Skufca , D. ben-Avraham

Image segmentation is the process of partitioning an image into meaningful segments. The meaning of the segments is subjective due to the definition of homogeneity is varied based on the users perspective hence the automation of the…

计算机视觉与模式识别 · 计算机科学 2018-10-12 Ravimal Bandara

The recent promising achievements of deep learning rely on the large amount of labeled data. Considering the abundance of data on the web, most of them do not have labels at all. Therefore, it is important to improve generalization…

神经与进化计算 · 计算机科学 2016-01-20 Sheng-Yi Bai , Sebastian Agethen , Ting-Hsuan Chao , Winston Hsu

For complex segmentation tasks, fully automatic systems are inherently limited in their achievable accuracy for extracting relevant objects. Especially in cases where only few data sets need to be processed for a highly accurate result,…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Mario Amrehn , Sven Gaube , Mathias Unberath , Frank Schebesch , Tim Horz , Maddalena Strumia , Stefan Steidl , Markus Kowarschik , Andreas Maier

Vector graphics are widely used in digital art and valued by designers for their scalability and layer-wise topological properties. However, the creation and editing of vector graphics necessitate creativity and design expertise, leading to…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Peiying Zhang , Nanxuan Zhao , Jing Liao

Graph convolutional networks have been successful in addressing graph-based tasks such as semi-supervised node classification. Existing methods use a network structure defined by the user based on experimentation with fixed number of layers…

机器学习 · 计算机科学 2021-01-21 Negar Heidari , Alexandros Iosifidis

This research addresses the need for high-definition (HD) maps for autonomous vehicles (AVs), focusing on road lane information derived from aerial imagery. While Earth observation data offers valuable resources for map creation,…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Willow Liu , Shuxin Qiao , Kyle Gao , Hongjie He , Michael A. Chapman , Linlin Xu , Jonathan Li

According to the requirement of general static obstacle detection, this paper proposes a compact vectorization representation approach of local static environments for unmanned ground vehicles. At first, by fusing the data of LiDAR and IMU,…

机器人学 · 计算机科学 2022-06-15 Haiming Gao , Qibo Qiu , Wei Hua , Xuebo Zhang , Zhengyong Han , Shun Zhang