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DGPF-Project: Evaluation of Digital Photogrammetric Camera Systems – Stereoplotting DGPF-Projekt: Evaluierung von Digitalen Photogrammetrischen Kamerasystemen – Stereoplotting

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This paper is a part of the DGPF project and encloses the analyses of the working group . The digital imagery of the analogue camera Zeiss RMK Top 15, the digital large format frame cameras Vexcel Imaging UltraCamX and Intergraph/ZI DMC and the combination of four mid-format cameras Quattro DigiCAM from IGI have been used for stereoplotting. The individual point measurement accuracy has been determined for all cameras and ground sampling distances. The stereo-photogrammetric measurements for ground control points and for topographic point and line measurements have been compared between the cameras and to the terrestrial ground control point coordinates. The aerial flight campaigns are strongly influenced by the current weather conditions at the flying time. For this reason an – as far as possible – impartial evaluation could only be given by the comparison of the individual point measurement accuracy or identical point measurements in the mapping results of different aerial campaigns.

Dieser Beitrag entstand im Rahmen des DGPF-Projektes ,,Evaluierung digitaler Luftbildkameras“ und behandelt die Auswertungen der Arbeitsgruppe ,,Stereoplotting“. Es wurden die stereophotogrammetrischen Auswertungen der Bilddaten der Reihenmesskammer Zeiss RMK Top 15 zu den großformatigen Flächensensorkameras Vexcel Imaging UltraCamX und Intergraph/ZI DMC sowie die Kombination von vier Mittelformatkameras Quattro DigiCAM der Fa. IGI untersucht. Dazu wurden die persönliche Einstellgenauigkeit in den jeweiligen Bilddatensätzen ermittelt, die stereophotogrammetrischen Messungen zu Passpunkten, topographischen Punkten und Linienmessungen in den Bilddatensätzen miteinander und zu den Soll-Koordinaten der terrestrischen Passpunktmessung verglichen. Die Bilddaten sind sehr stark durch die an den unterschiedlichen Bildflugzeitpunkten vorherrschenden Wetterbedingungen geprägt. Aus diesem Grunde kann eine möglichst objektive Beurteilung nur über die persönliche Einstellgenauigkeit und über die Ermittlung identischer Punkte in den Auswertungen der unterschiedlichen Bildflüge erfolgen.
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Document Type: Research Article

Publication date: 2010-05-01

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  • Photogrammetrie - Fernerkundung - Geoinformation (PFG) is an international scholarly journal covering the progress and application of photogrammetric methods, remote sensing technology and the intricately connected field of geoinformation processing.

    Papers published in PFG highlight new developments and applications of these technologies in practice. The journal hence addresses both researchers and student of these disciplines at academic institutions and universities and the downstream users in both the private sector and public administration.

    PFG places special editorial emphasis on the communication of new methodologies in data acquisition, new approaches to optimized processing and interpretation of all types of data which were acquired by photogrammetric methods, remote sensing, image processing and the computer-aided interpretation of such data in general.

    PFG is the official journal of the German Society of Photogrammetry and Remote Sensing.
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