Filters








564 Hits in 9.9 sec

3-D Reconstruction of Urban Scenes from Aerial Stereo Imagery: A Focusing Strategy

C Baillard, H Maı̂tre
1999 Computer Vision and Image Understanding  
A contribution to the automatic 3-D reconstruction of complex urban scenes from aerial stereo pairs is proposed.  ...  The idea is to define appropriate regions of interest in order to achieve a relevant 3-D reconstruction.  ...  ACKNOWLEDGMENTS We are very grateful to Olivier Dissard, from the IGN, for his assistance and many helpful discussions. Financial support for this work was provided by the IGN.  ... 
doi:10.1006/cviu.1999.0793 fatcat:72dblvzl25h2tdld6dmqgdvezu

Deep cross-domain building extraction for selective depth estimation from oblique aerial imagery [article]

Boitumelo Ruf, Laurenz Thiel, Martin Weinmann
2018 arXiv   pre-print
In combination with the Faster R-CNN, it allows a selective reconstruction of buildings, identified with regions of interest (RoIs), from oblique aerial imagery.  ...  With the technological advancements of aerial imagery and accurate 3d reconstruction of urban environments, more and more attention has been paid to the automated analyses of urban areas.  ...  ACKNOWLEDGEMENTS The authors would like to acknowledge the provision of the datasets for multi-platform photogrammetry by ISPRS and Eu-roSDR, released in conjunction with the ISPRS scientific initiative  ... 
arXiv:1804.08302v2 fatcat:jtygbcuphnegnlxwht6ikxpq6u

STATISTICAL BUILDING ROOF RECONSTRUCTION FROM WORLDVIEW-2 STEREO IMAGERY

T. Partovi, H. Huang, T. Krauß, H. Mayer, P. Reinartz
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The interest of this work is 3D building reconstruction from Digital Surface Models (DSM) of stereo image matching of space borne satellite data which cover larger areas than LiDAR datasets in one data  ...  Most of the prior research has been done on 3D building reconstruction from LiDAR data which means high resolution and dense data.  ...  The fully 3D building reconstruction is still a challenging issue due to the complexity of urban scenes.  ... 
doi:10.5194/isprsarchives-xl-3-w2-161-2015 fatcat:tloun24ik5en3gkf5flydyt4wi

Deep Learning Guided Building Reconstruction from Satellite Imagery-derived Point Clouds [article]

Bo Xu, Xu Zhang, Zhixin Li, Matt Leotta, Shih-Fu Chang, Jie Shan
2020 arXiv   pre-print
3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades.  ...  multiple views, diverse land covers and urban structures in a scene, small base-height ratio or narrow field of view, all of which may degrade 3D reconstruction quality.  ...  Introduction Motivations 3D reconstruction of large-scale urban scenes has become an essential task for various applications, such as urban planning, virtual reality, emergency management, and other  ... 
arXiv:2005.09223v1 fatcat:oqv3xzrd6bb7tj2pyajtrq5qpe

OBLIQUE AERIAL IMAGERY FOR NMA – SOME BEST PRACTICES

F. Remondino, I. Toschi, M. Gerke, F. Nex, D. Holland, A. McGill, J. Talaya Lopez, A. Magarinos
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The paper provides an overview of tests, best practices and considerations coming from the R&D community and from three European NMAs concerning the use of oblique aerial imagery.  ...  Oblique airborne photogrammetry is rapidly maturing and being offered by service providers as a good alternative or replacement of the more traditional vertical imagery and for very different applications  ...  We also acknowledge 3DCom/Hexagon (http://www.tridicon.de) for providing support and a research license of its application tools.  ... 
doi:10.5194/isprs-archives-xli-b4-639-2016 fatcat:vwg4jm55kvcxtgm4zatuece3yi

Towards automatic SAR-optical stereogrammetry over urban areas using very high resolution imagery

Chunping Qiu, Michael Schmitt, Xiao Xiang Zhu
2018 ISPRS journal of photogrammetry and remote sensing (Print)  
Since we do this mainly from a geometrical point of view, we first analyze the height reconstruction accuracy to be expected for different stereogrammetric configurations.  ...  Then, we propose a strategy for simultaneous tie point matching and 3D reconstruction, which exploits an epipolar-like search window constraint.  ...  In addition, we want to thank Fraunhofer IOSB for the LiDAR reference data of Munich, and Land Berlin (EU EFRE project) for the LiDAR reference data of Berlin.  ... 
doi:10.1016/j.isprsjprs.2017.12.006 pmid:29615830 pmcid:PMC5863091 fatcat:g2b4o7lphbhwvkuetss6tbm6va

Recognizing cars in aerial imagery to improve orthophotos

Franz Leberl, Horst Bischof, Helmut Grabner, Stefan Kluckner
2007 Proceedings of the 15th annual ACM international symposium on Advances in geographic information systems - GIS '07  
The level of automation in creating 3D city models has increased considerably, and has benefited from an increase in the redundancy of the source imagery, namely digital aerial photography.  ...  The automatic creation of 3D models of urban spaces has become a very active field of research.  ...  approaches to 3D reconstruction by shape-from-stereo or laser scanning, e.g  ... 
doi:10.1145/1341012.1341015 dblp:conf/gis/LeberlBGK07 fatcat:7jqvdumgbja6hkn7mooamredja

SINGLE-IMAGE DEHAZING ON AERIAL IMAGERY USING CONVOLUTIONAL NEURAL NETWORKS

M. Madadikhaljan, R. Bahmanyar, S. M. Azimi, P. Reinartz, U. Sörgel
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Unlike rich haze removal literature in ground imagery, there is a lack of methods specifically designed for aerial imagery, considering the fact that there is a characteristic difference between the aerial  ...  In this paper, we propose a method to dehaze aerial images using Convolutional Neural Networks (CNNs). Currently, there is no available data for dehazing methods in aerial imagery.  ...  The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-4/W18, 2019 GeoSpatial Conference 2019 -Joint Conferences of SMPR and GI Research, 12-14 October  ... 
doi:10.5194/isprs-archives-xlii-4-w18-687-2019 fatcat:q3t3mxjh5zdszcctgpkw6xtn7q

EXTRACTING SEMANTICALLY ANNOTATED 3D BUILDING MODELS WITH TEXTURES FROM OBLIQUE AERIAL IMAGERY

D. Frommholz, M. Linkiewicz, H. Meissner, D. Dahlke, A. Poznanska
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Oblique and nadir aerial imagery recorded by a multi-head camera system is transformed into dense 3D point clouds and evaluated statistically in order to extract the hull of the structures.  ...  This paper proposes a method for the reconstruction of city buildings with automatically derived textures that can be directly used for façade element classification.  ...  The general suitability of tilted aerial photographs for terrain reconstruction has been outlined as early as in (Schultz, 1994) where projectively distorted stereo scenes get processed by a dense matcher  ... 
doi:10.5194/isprsarchives-xl-3-w2-53-2015 fatcat:ajbsag3syvfrbpekghhkzmhxge

Towards an operational system for automated updating of road databases by integration of imagery and geodata

Chunsun Zhang
2004 ISPRS journal of photogrammetry and remote sensing (Print)  
In this paper, we present a practical system for 3-D road network reconstruction from aerial images using knowledgebased image analysis.  ...  The key of the system is the use of knowledge as much as possible to increase success rate and reliability of the results, working in 2-D images and 3-D object space, and use of 2-D and 3-D interaction  ...  Liam O'Sullivan from L + T for discussions and suggestions from a user point-of-view.  ... 
doi:10.1016/j.isprsjprs.2003.09.004 fatcat:jwufibesrvdzrlhw55wmvhxxgm

FaSS-MVS – Fast Multi-View Stereo with Surface-Aware Semi-Global Matching from UAV-borne Monocular Imagery [article]

Boitumelo Ruf, Martin Weinmann, Stefan Hinz
2021 arXiv   pre-print
With FaSS-MVS, we present an approach for fast multi-view stereo with surface-aware Semi-Global Matching that allows for rapid depth and normal map estimation from monocular aerial video data captured  ...  large scene depths which are inherent to oblique imagery captured by low-flying UAVs.  ...  Acknowledgements We would like to thank the team from Arbeiter-Samariter-Bund (ASB) Baden-Württemberg e.V. from Karlsruhe for providing us with the use-casespecific dataset of the fire brigade exercise  ... 
arXiv:2112.00821v1 fatcat:bg47jckzyvhvpiskzrs7vq3pg4

Automatic 3-D Building Model Reconstruction from Very High Resolution Stereo Satellite Imagery

Partovi, Fraundorfer, Bahmanyar, Huang, Reinartz
2019 Remote Sensing  
Finally, the neighboring building models in a building blockare intersected to reconstruct the 3-D model of connecting roofs.  ...  3-D building model reconstruction which require large-scale and frequent updates,such as disaster monitoring and urban management.  ...  They also would like to thank European Space Imaging for providing WorldView-2 stereo data of Munich, Germany for scientific purposes. The authors would like to thank T.  ... 
doi:10.3390/rs11141660 fatcat:3pyvbwd6prcsbacidoysvefkne

3D Building Model Reconstruction from Multi-view Aerial Imagery and Lidar Data

Liang Cheng, Jianya Gong, Manchun Li, Yongxue Liu
2011 Photogrammetric Engineering and Remote Sensing  
Finally, a new strategy for 3D building model reconstruction including automatic recovery of lost boundaries and robust reconstruction of rooftop patches is introduced.  ...  First, a new algorithm is introduced for determination of principal orientations of a building, thus benefiting to improve the correctness and robustness of boundary segment extraction in aerial imagery  ...  Related Works The research of 3D building reconstruction from imagery and lidar data has been increasingly focused.  ... 
doi:10.14358/pers.77.2.125 fatcat:vqdzbb7ydnegflmioc7dfa374e

Information from imagery: ISPRS scientific vision and research agenda

Jun Chen, Ian Dowman, Songnian Li, Zhilin Li, Marguerite Madden, Jon Mills, Nicolas Paparoditis, Franz Rottensteiner, Monika Sester, Charles Toth, John Trinder, Christian Heipke
2016 ISPRS journal of photogrammetry and remote sensing (Print)  
the information acquired from images and stored in a database, in order to emphasize our focus on imagery and image exploitation.  ...  Photogrammetry is the science and technology of extracting reliable three-dimensional geometric and thematic information, often over time, of objects and scenes from image and range data.  ...  Finally, the authors thank Christine Jeans of Newcastle University for her assistance in preparing the figures.  ... 
doi:10.1016/j.isprsjprs.2015.09.008 fatcat:jqee72qpufgsjbs5xouxfquhh4

Impact of the Acquisition Geometry of Very High-Resolution Pléiades Imagery on the Accuracy of Canopy Height Models over Forested Alpine Regions

Livia Piermattei, Mauro Marty, Wilfried Karel, Camillo Ressl, Markus Hollaus, Christian Ginzler, Norbert Pfeifer
2018 Remote Sensing  
This work focuses on the accuracy estimation of canopy height models (CHMs) derived from image matching of Pléiades stereo imagery over forested mountain areas.  ...  To answer the first question, we acquired new Pléiades data over a study site in Canton Ticino (Switzerland), and we compare the accuracies of CHMs from Pléiades tri-stereo and from each stereo pair combination  ...  With~1362 million points, FNB over Ticino provided a larger point cloud than each of the three stereo pairs, having~700 (FN), Over the entire scene, the interpolation ensured an almost complete reconstruction  ... 
doi:10.3390/rs10101542 fatcat:rjyeebl2qvbbjlq3utu6pbhcwu
« Previous Showing results 1 — 15 out of 564 results