817 Hits in 5.9 sec

Identifying rectangles in laser range data for urban scene reconstruction

Thijs van Lankveld, Marc van Kreveld, Remco Veltkamp
2011 Computers & graphics  
In urban scenes, many of the surfaces are planar and bounded by simple shapes. In a laser scan of such a scene, these simple shapes can still be identified.  ...  We prove that our algorithm identifies all angles for which a rectangle fits the point set of size n in OðnlognÞ time.  ...  We thank Ron Wein and Efi Fogel for their help concerning the CGAL boolean set-operations library.  ... 
doi:10.1016/j.cag.2011.03.004 fatcat:qn63him5djeyhjkfuryyih5ntm

Extraction of buildings and trees in urban environments

Norbert Haala, Claus Brenner
1999 ISPRS journal of photogrammetry and remote sensing (Print)  
In this article, two methods for data collection in urban environments are presented.  ...  The second approach uses laser data and 2D ground plan information to obtain 3D reconstructions of buildings. q  ...  Conclusions Data collection in urban environments can profit considerably if laser scanning is applied.  ... 
doi:10.1016/s0924-2716(99)00010-6 fatcat:ls34ksfnjjhg3hta5toapgstxm

Geometry and Texture Recovery of Scenes of Large Scale

Ioannis Stamos, Peter K. Allen
2002 Computer Vision and Image Understanding  
The input is a sequence of unregistered range scans of the scene and a sequence of unregistered 2-D photographs of the same scene. The output is a true texture-mapped geometric model of the scene.  ...  We believe that the developed modules are of vital importance for a flexible photorealistic 3-D model acquisition system.  ...  The authors thank Michael Reed for his help in creating the solid models.  ... 
doi:10.1006/cviu.2002.0963 fatcat:k63q3riomnbuxfy6kzyomzybli

Automated registration of 3D-range with 2D-color images: an overview

Ioannis Stamos
2010 2010 44th Annual Conference on Information Sciences and Systems (CISS)  
A new generation of laser range scanners can produce very accurate and dense geometric representations in terms of point clouds of 3D points.  ...  For example, a normal discontinuity in the 3D world will be captured by both sensors but lighting effects will only be recorded by the 2D camera.  ...  ACKNOWLEDGMENT This work was supported in part by the following grants: NSF IIS-0915971, NSF CCF-0916452, and NSF MRI CNS-0821384.  ... 
doi:10.1109/ciss.2010.5464815 dblp:conf/ciss/Stamos10 fatcat:2xifwniuf5dq3mkcfsddlpuvfe

Automatic modelling of building façade objects via primitive shapes

N. Hetti Arachchige, S. Perera
2014 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
This paper presents a new approach to recognize individual façade objects and to reconstruct such objects in 3D using MLS point clouds.  ...  To evaluate the validity of the proposed approach, experiments have been conducted using two types of street scene point clouds captured by Optech Lynx Mobile Mapper System and Z+F laser scanner.  ...  ACKNOWLEDGEMENT The authors would like to thank Top-Scan GmbH for providing the MLS data from Bonn, Germany. Thanks also to Mr.  ... 
doi:10.5194/isprsarchives-xl-3-115-2014 fatcat:d7j5povtgrdhnb6vx5dd5wka3e

New Advances in Automated Urban Modelling from Airborne Laser Scanning Data

D. F. Laefer, T. Hinks, H. Carr, L. Truong-Hong
2011 Recent Patents on Engineering  
Automation is a critical step for further processing and utilization of airborne laser scanned data for engineering-based, urban modeling.  ...  Specifically, recent advances in airborne laser scanning can rapidly acquire accurate, spatial data for large geographic areas in hours, but due to the size of the data sets, coupled with difficulties  ...  ACKNOWLEDGMENTS This work was generously supported by Ireland's Science Foundation grant 05/PICA/I830 "GUILD: Generating Urban Infrastructures from LIDAR Data".  ... 
doi:10.2174/187221211797636890 fatcat:7smjkg7woncchphzu26hfukjta

3D Modeling of Building Indoor Spaces and Closed Doors from Imagery and Point Clouds

Lucía Díaz-Vilariño, Kourosh Khoshelham, Joaquín Martínez-Sánchez, Pedro Arias
2015 Sensors  
The presented approach is tested in real data sets showing its potential with a high door detection rate and applicability for robust and efficient envelope reconstruction.  ...  In this work, we present a pipeline of techniques used for the reconstruction and interpretation of building interiors based on point clouds and images.  ...  Acknowledgments Authors would like to thank the Ministerio de Economía y Competitividad (Gobierno de España) for the financial support given through human resources grant (FPU AP2010-2969).  ... 
doi:10.3390/s150203491 pmid:25654723 pmcid:PMC4367370 fatcat:ezrfgibcqvbvjpyirgvi4bx4le

Recognition and Reconstruction of Zebra Crossings on Roads from Mobile Laser Scanning Data

Lin Li, Da Zhang, Shen Ying, You Li
2016 ISPRS International Journal of Geo-Information  
This paper presents a stepwise procedure for recognizing and reconstructing zebra crossings using mobile laser scanning data.  ...  To overcome the aforementioned limitations, we propose a stepwise procedure for recognizing and reconstructing zebra crossings using mobile laser scanning data in this paper.  ...  Conclusions In this paper, we have proposed an effective method for recognizing and reconstructing zebra crossings using mobile laser scanning data.  ... 
doi:10.3390/ijgi5070125 fatcat:q4vmvu2jhzajpdmnqjsjxosdu4

Dynamic 3D Environment Perception and Reconstruction Using a Mobile Rotating Multi-beam Lidar Scanner [chapter]

Attila Börcs, Balázs Nagy, Csaba Benedek
2015 Studies in Systems, Decision and Control  
In this chapter we introduce cooperating techniques for environment perception and reconstruction based on dynamic point cloud sequences of a single rotating multi-beam (RMB) Lidar sensor, which monitors  ...  The joint aim of the addressed methods is to create 4D spatio-temporal models of large dynamic urban scenes containing various moving and static objects.  ...  connected to the i4D project funded by the internal R&D grant of MTA SZTAKI, and it was partially supported by the Government of Hungary through a European Space Agency (ESA) Contract under the Plan for  ... 
doi:10.1007/978-3-319-26327-4_7 fatcat:lyfakpnxg5ai7ksblbhngqbifm

Grammar-based 3D facade segmentation and reconstruction

Guowei Wan, Andrei Sharf
2012 Computers & graphics  
Recent advances in scanning technologies allow large-scale scanning of urban scenes.  ...  We present an algorithm for reconstruction of 3D polygonal models from scanned urban facades.  ...  Introduction In recent years, there has been an increasing interest in the modeling and reconstruction of digital urban scenes.  ... 
doi:10.1016/j.cag.2012.02.003 fatcat:hsptrymrgzdq3ip27pvmfsanhq

Fusing Georeferenced and Stereoscopic Image Data for 3D Building Façade Reconstruction

Konstantinos Bacharidis, Froso Sarri, Vasilis Paravolidakis, Lemonia Ragia, Michalis Zervakis
2018 ISPRS International Journal of Geo-Information  
This paper deals with the reconstruction of realistic 3D models of buildings façades, in the urban environment for cultural heritage.  ...  3D building façade reconstruction has become a very popular topic in various applications related to restoration and preservation of architectural structures as well as urban planning.  ...  Tsichritzis for editing and valuable comments. We also thank the reviewers for their constructive comments. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijgi7040151 fatcat:4mjkhrmcsvczvdzctbh2u2gzry


A. Baligh Jahromi, G. Sohn, J. Jung, K. Park, D. Recchia
2020 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
In this paper, we introduced a recently developed image-based model alignment technique for 3D reconstruction of large-scale indoor corridors.  ...  Having integrated two models in the same 3D space, they will be back projected into the image space for evaluation using Direct Linear Transformation.  ...  In addition, the authors wish to extend gratitude to Mr. Kivanc Babacan who consulted on this research.  ... 
doi:10.5194/isprs-annals-v-4-2020-71-2020 fatcat:vvq2iyqm25fkbhr4noe7yb2nyu

Automatic Ground Surface Reconstruction from mobile laser systems for driving simulation engines

Daniela Craciun, Jean-Emmanuel Deschaud, Francois Goulette
2017 Simulation (San Diego, Calif.)  
Experimental results on real data acquired in urban environments allow us to conclude on the effectiveness of the proposed method.  ...  This paper presents the Automatic Ground Surface Reconstruction (AGSR) method, a framework which exploits 3D data acquired by Mobile Laser Scanning (MLS) systems.  ...  He has been recently active on Laser-based Mobile Mapping Systems acquisition, rendering and automatic data processing.  ... 
doi:10.1177/0037549716683022 fatcat:i56nekr4nffgxebxt3gqhpxdim

A Survey of Urban Reconstruction [article]

Przemyslaw Musialski, Peter Wonka, Daniel G. Aliaga, Michael Wimmer, Luc Van Gool, Werner Purgathofer
2012 Eurographics State of the Art Reports  
This paper provides a comprehensive overview of urban reconstruction. While there exists a considerable body of literature, this topic is still under very active research.  ...  Our goal is to provide a survey that will help researchers to better position their own work in the context of existing solutions, and to help newcomers and practitioners in computer graphics to quickly  ...  , making LiDAR data especially available for urban reconstruction tasks.  ... 
doi:10.2312/conf/eg2012/stars/001-028 fatcat:rkw6nfe5efep5mttpxbrzmzccq

An update on automatic 3D building reconstruction

Norbert Haala, Martin Kada
2010 ISPRS journal of photogrammetry and remote sensing (Print)  
For this purpose, airborne images or laser scans are used.  ...  In addition to these developments, the paper will also review current approaches for the generation of more detailed facade geometries from terrestrial data collection.  ...  Acknowledgement Martin Kada is indebted to the Baden-Württemberg Stiftung for the financial support of this research project by the Eliteprogramme for Postdocs.  ... 
doi:10.1016/j.isprsjprs.2010.09.006 fatcat:3b2n7gg3nvfixphw4no33cjjqa
« Previous Showing results 1 — 15 out of 817 results