Research Papers

Orientation, orthorectification, terrain and city modeling from Cartosat-1 stereo imagery: preliminary results in the first phase of ISPRS-ISRO C-SAP

[+] Author Affiliations
Mattia Crespi

DITS - Area di Geodesia e Geomatica, Sapienza Universita' di Roma, via Eudossiana 18, Rome, 00184 Italy

Francesco Barbato

Eurimage S.p.A., via D'Onofrio 212, Rome, 00155 Italy

Laura De Vendictis

DITS - Area di Geodesia e Geomatica, Sapienza Universita' di Roma, via Eudossiana 18, Rome, 00184 Italy

Fabio Volpe, Roberta Onori

Eurimage S.p.A., via D'Onofrio 212, Rome, 00155 Italy

Daniela Poli

Institute of Geodesy and Photogrammetry, ETH Zurich, Wolfgang-Pauli-Str. 15, Zurich, CH 8903 Switzerland

Xinhua Wang

COWI A/S, Parallelvej 2, Kongens Lyngby, 2800 Denmark

J. Appl. Remote Sens. 2(1), 023523 (May 30, 2008). doi:10.1117/1.2947577
History: Received March 28, 2007; Revised May 21, 2008; Accepted May 22, 2008; May 30, 2008; Online May 30, 2008
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Abstract

CARTOSAT-1, launched in May 2005, is basically a stereo mission, as it is equipped with two cameras onboard, namely Aft and Fore, tilted along track by -5° and +26° respectively, allowing the acquisition of stereo data with a resolution of 2.5 m. The Institute "Area di Geodesia e Geomatica" at Sapienza Universita di Roma, Eurimage S.p.A. and the former CyberCity AG participated at the ISPRS-ISRO Cartosat-1 Scientific Assessment Programme (C-SAP), in order to investigate the generation of Digital Surface Models (DSMs) from Cartosat-1 stereo scenes. The paper describes the work carried out during the summer of 2006, on the stereopair belonging to the test field called TS-8, acquired on 8th June 2005 over the city of Rome, Italy. The processing included the sensor orientation, Digital Surface Model (DSM) generation, orthoimage production and 3D features extraction. For the evaluation of the DSM, orthophoto and 3D feature accuracy, a large scale 3D map (1:2'000) was used.

© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Mattia Crespi ; Francesco Barbato ; Laura De Vendictis ; Fabio Volpe ; Roberta Onori, et al.
"Orientation, orthorectification, terrain and city modeling from Cartosat-1 stereo imagery: preliminary results in the first phase of ISPRS-ISRO C-SAP", J. Appl. Remote Sens. 2(1), 023523 (May 30, 2008). ; http://dx.doi.org/10.1117/1.2947577


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