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MACS – Modular Airborne Camera System for Generating Photogrammetric High-Resolution Products MACS – Modulares Luftbildkamera-System für die Erzeugung hochauflösender photogrammetrischer Produkte

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Abstract:

This article describes a Modular Airborne Camera System (MACS), which is based on industrial grade components. The camera system has been developed by the Department of Optical Information Systems of the German Aerospace Center (DLR). Several versions have been in use since 2009 in order to acquire experimental aerial image data. The aim was to develop a system capable of acquiring image data with ground resolutions in the centimeters range easily and at low costs. These data should help to develop and to define photo grammetric methods and products. High emphasis was put on high frame rates as well as on short integration times in order to achieve a high overlap and low motion blur. This is essential for exact 3D modeling, especially when using fast airplanes flying at low altitudes. The article describes the principles and the layout of the camera system together with its flight-specific accessories as well as the software developed for operating the system. Finally, the article delineates current and future fields of application.

German
Der Artikel beschreibt den Auf bau eines Modularen Luftbild-Kamerasystems (MACS) auf Basis von Industriekameramodulen und Industrieoptiken. Dieses System wurde in der Einrichtung Optische Informationssysteme des Deutschen Zentrums für Luft- und Raumfahrt e.V. (DLR) entwickelt und wird in verschiedenen Ausbaustufen und Varianten seit 2009 zur Erhebung experimenteller Luftbilddaten ver wendet.

Zielstellung war die einfache und kostengünstige Erzeugung von umfassend verarbeitbaren Bilddatensätzen mit Bodenauflösungen im Zentimeterbe reich. Damit sollen photogrammetrische Verfahren und Produkte weiterentwickelt und demonstriert werden. Besonderer Wert wurde auf hohe Aufnahmefrequenzen und kurze Integrationszeiten der Kameramodule gelegt. Die damit erzielbaren hohen Überlappungen und geringen Bewegungsunschärfen sind Voraussetzung für exakte 3D-Modellierungen, auch aus schnell fliegenden Trägerflug zeugen sowie aus geringen Flughöhen.

Prinzip und Auf bau des Kamerasystems mit den flugspezifischen Zusatzgeräten werden ebenso vor gestellt, wie die selbst entwickelte Software zum Betrieb der Kamera. Eine abschließende Betrachtung zeigt die derzeitigen und zukünftigen Einsatzmöglichkeiten.

Document Type: Research Article

DOI: https://doi.org/10.1127/1432-8364/2011/0096

Publication date: 2011-12-01

More about this publication?
  • 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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