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Evaluation of ZY-3 for DSM and Ortho Image Generation

d'Angelo, Pablo (2013) Evaluation of ZY-3 for DSM and Ortho Image Generation. In: ISPRS Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-1/W, pp. 57-61. Copernicus Publications. ISPRS Hannover Workshop 2013, 21.-24.Mai 2013, Hannover, Germany. ISSN doi: 10.5194/isprsarchives-XL-1-W1-57-2013

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Official URL: http://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-1-W1/177/2013/isprsarchives-XL-1-W1-57-2013.pdf


DSM generation using stereo satellites is an important topic for many applications. China has launched the three line ZY-3 stereo mapping satellite last year. This paper evaluates the ZY-3 performance for DSM and orthophoto generation on two scenes east of Munich. The direct georeferencing performance is tested using survey points, and the 3D RMSE is 4.5 m for the scene evaluated in this paper. After image orientation with GCPs and tie points, a DSM is generated using the Semi-Global Matching algorithm. For two 5 × 5 km2 test areas, a LIDAR reference DTM was available. After masking out forest areas, the overall RMSE between ZY-3 DSM and LIDAR reference is 2.0 m (RMSE). Additionally, qualitative comparison between ZY-3 and Cartosat-1 DSMs is performed.

Item URL in elib:https://elib.dlr.de/83038/
Document Type:Conference or Workshop Item (Speech)
Title:Evaluation of ZY-3 for DSM and Ortho Image Generation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
d'Angelo, Pablopablo.angelo (at) dlr.deUNSPECIFIED
Date:May 2013
Journal or Publication Title:ISPRS Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 57-61
Heipke, C.Uni Hannover
Jacobsen, K.Uni Hannover
Rottensteiner, F.Uni Hannover
Sörgel, U.Uni Hannover
Publisher:Copernicus Publications
Series Name:ISPRS Archives
ISSN:doi: 10.5194/isprsarchives-XL-1-W1-57-2013
Keywords:ZY-3, Satellite, DEM, Matching, Stereo, Accuracy
Event Title:ISPRS Hannover Workshop 2013
Event Location:Hannover, Germany
Event Type:international Conference
Event Dates:21.-24.Mai 2013
Organizer:International Society of Photogrammetry and Remote Sensing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Deposited On:24 Jun 2013 14:54
Last Modified:08 May 2014 23:18

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