High resolution digital terrain models and orthorectified images of Mars from HiRISE and HiSCI

Physics

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Scientific paper

Stereo images acquired from the High Resolution Imaging Science Experiment (HiRISE) camera currently operating on the Mars Reconnaissance Orbiter are being used to generate high resolution Digital Terrain Models (DTMs) and orthorectified images [1]. Orthorectified images of repeat coverage over a given DTM can now be created, providing a powerful research tool for investigating active surface processes on Mars. New discoveries of surface changes on Mars have been made that would not have been possible without stereo images [e.g. 2]. The methods and products developed for HiRISE DTM and orthoimage processing will be leveraged for the planned High-resolution Stereo Color Imager (HiSCI) instrument to fly on the joint NASA-ESA ExoMars Trace Gas Orbiter (TGO) mission, planned to launch in 2016 [3]. The HiRISE team releases DTMs and orthoimages to the Planetary Data System (PDS) on nearly a monthly frequency [1]. A similar schedule for DTM/orthoimage production and public release is planned for HiSCI [3].

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