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Operational Processing of MEX HRSC Data

Scholten, Frank and Roatsch, Thomas and Flohrer, Joachim and Giese, Bernd and Gwinner, Klaus and Hauber, Ernst and Hoffmann, Harald and Jaumann, Ralf and Matz, Klaus-Dieter and Mertens, Volker and Neukum, Gerhard and Oberst, Jürgen and Wählisch, Marita and HRSC Co-I-Team, (2005) Operational Processing of MEX HRSC Data. 1st Mars Express Science Conference, 2005-02-21 - 2005-02-25, Noordwijk, The Netherlands. (Unpublished)

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Abstract

The HRSC onboard Mars Express is a multi-line pushbroom scanner which provides image data from 5 panchromatic stereo channels and 4 spectral bands (Neukum et al, 2004). A completely automated ground data processing line has been developed in the past years and is being applied on a routine base for each MEX orbit. It comprises the conversion of the original data stream transmitted to ground to de-compressed data (Level-1 data), the radiometric correction of the image data based on calibration information (Level-2 data) combined with orbit and pointing information for each image line, and a first rectification to standard scales of up to 12.5 m/pixel (Level-3 data) using a-priori topography information as defined by the MGS MOLA instrument. Level-2 and Level-3 data of HRSC's Super Resolution Channel (SRC) in scales of up to 2.5 m/pixel complete the HRSC capabilities. Thus, Level-2 and Level-3 are ready for distribution to the HRSC Co-Investigator team within one day after data acquisition. A standard Level-4 generation is started after completion of Level-2 data in order to derive HRSC digital terrain models in a standard 200 m grid. These DTMs are finally used for the generation of orthoimages of all 4 spectral bands and the high-resolution nadir channel. This standardized processing provides 3D and image data products within a few days after data acquisition for first science analyses. Based on nominal pointing and reconstructed orbit information the standard Level-4 data products comprise a mean absolute accuracy of a few hundred meters for planimetry and of better than 100 m for height. Reference: Neukum, G., Jaumann, R. and the HRSC Co-Investigator Team, 2004. HRSC: The High Resolution Stereo Camera of Mars Express. ESA Special Publications SP-1240.

Document Type:Conference or Workshop Item (Poster)
Title:Operational Processing of MEX HRSC Data
Authors:
AuthorsInstitution or Email of Authors
Scholten, FrankUNSPECIFIED
Roatsch, ThomasUNSPECIFIED
Flohrer, JoachimUNSPECIFIED
Giese, BerndUNSPECIFIED
Gwinner, KlausUNSPECIFIED
Hauber, ErnstUNSPECIFIED
Hoffmann, HaraldUNSPECIFIED
Jaumann, RalfUNSPECIFIED
Matz, Klaus-DieterUNSPECIFIED
Mertens, VolkerUNSPECIFIED
Neukum, GerhardFreie Universität Berlin
Oberst, JürgenUNSPECIFIED
Wählisch, MaritaUNSPECIFIED
HRSC Co-I-Team, UNSPECIFIED
Date:2005
Status:Unpublished
Keywords:Mars Express, HRSC, Data Processing, Digital Terrain Models, Orthoimages
Event Title:1st Mars Express Science Conference
Event Location:Noordwijk, The Netherlands
Event Type:international Conference
Event Dates:2005-02-21 - 2005-02-25
Organizer:ESTEC
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Projekt MARS-EXPRESS / HRSC (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Institute of Planetary Research > Planetary Geology
Deposited By: Dipl.-Ing. Frank Scholten
Deposited On:03 Jan 2006
Last Modified:27 Apr 2009 04:50

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