Müller, Rupert and Lehner, Manfred and Müller, Rainer and Reinartz, Peter and Schroeder, Manfred and Vollmer, Beate (2002) A program for direct georeferencing of airborne and spaceborne line scanner images. In: Proceedings of the ISPRS Commission I Symposium; Integrating Remote Sensing at the Global, Regional and Local Scale, 1, pp. 148-153. Integrating Remote Sensing at the Global, Regional and Local Scale, Denver CO, Nov. 10-15 2002.
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For high quality direct georeferencing it is important that all geometric parameters influencing the rectification process are taken into account. These parameters are the exterior and interior orientation of the imaging system, the digital terrain model, the boresight misalignment and the mapping coordinate reference system. For airborne scanner images covering an area of only some miles extension simplifying assumptions can be made without noticeable loss of accuracy; e.g. the position and attitude data can be directly related to the geographic reference system. In airborne applications a high precision navigation sensor system (IMU, DGPS) aligned to the scanner system was used to obtain the parameters of the exterior orientation. Orthoimages were generated with 1-2 pixel accuracy from pushbroom and whiskbroom scanner images. To rectify space imagery it is necessary to use orthogonal coordinate systems (e.g. Local Topocentric Systems) in an intermediate processing step before finally the result are transformed to a map projection system. Orthoimages were produced from images of the German space camera MOMS-2P. The software package RECTIFY was developed by DLR and serves as a generic geometry processor for data of different sensor types and navigation systems. It supports all well known coordinate- and map projection systems as well as different geodetic datums. Methods and theory underlying the software package and application examples of airborne and spaceborne imagery will be presented.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||A program for direct georeferencing of airborne and spaceborne line scanner images|
|Journal or Publication Title:||Proceedings of the ISPRS Commission I Symposium; Integrating Remote Sensing at the Global, Regional and Local Scale|
|Page Range:||pp. 148-153|
|Series Name:||Vol.XXXIV, Part 1; Commision I|
|Keywords:||orthoimage, direct georeferencing, geometric rectification, airborne and spaceborne line scanner|
|Event Title:||Integrating Remote Sensing at the Global, Regional and Local Scale, Denver CO, Nov. 10-15 2002|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Remote Sensing Technology Institute|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||09 May 2006|
|Last Modified:||06 Jan 2010 22:15|
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