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Creating HiRISE digital elevation models for Mars using the open-source Ames Stereo Pipeline
Creating HiRISE digital elevation models for Mars using the open-source Ames Stereo Pipeline
The present availability of sub-decametre digital elevation models on Mars – crucial for the study of surface processes – is scarce. In contrast to low-resolution global datasets, such models enable the study of landforms <10 km in size, which is the primary scale at which geomorphic processes have been active on Mars over the last 10–20 Myr . Stereogrammetry is a means of producing digital elevation models from stereo pairs of images. The HiRISE camera on board the Mars Reconnaissance Orbiter has captured >3000 stereo pairs at 0.25 m pixel−1 resolution, enabling the creation of high-resolution digital elevation models (1–2 m pixel−1). Hitherto, only ∼500 of these pairs have been processed and made publicly available. Existing pipelines for the production of digital elevation models from stereo pairs, however, are built upon commercial software, rely upon sparsely available intermediate data, or are reliant on proprietary algorithms. In this paper, we present and test the output of a new pipeline for producing digital elevation models from HiRISE stereo pairs that is built entirely upon the open-source NASA Ames Stereo Pipeline photogrammetric software, making use of freely available data for cartographic rectification. This pipeline is designed for simple application by researchers interested in the use of high-resolution digital elevation models. Implemented here on a research computing cluster, this pipeline can also be used on consumer-grade UNIX computers. We produce and evaluate four digital elevation models using the pipeline presented here. Each are globally well registered, with accuracy similar to those of digital elevation models produced elsewhere.
- ABERYSTWYTH UNIVERSITY United Kingdom
- Aberystwyth University United Kingdom
- Department of Geography United Kingdom
- University of Sheffield United Kingdom
- THE UNIVERSITY OF SHEFFIELD United Kingdom
Microsoft Academic Graph classification: Computer science Software Digital elevation model Remote sensing Commercial software business.industry Mars Exploration Program Pipeline (software) Pipeline transport Photogrammetry Scale (map) business
Library of Congress Subject Headings: lcsh:QC801-809 lcsh:Geophysics. Cosmic physics
Atmospheric Science, Geophysics. Cosmic physics, Oceanography, QC801-809, Geology
Atmospheric Science, Geophysics. Cosmic physics, Oceanography, QC801-809, Geology
Microsoft Academic Graph classification: Computer science Software Digital elevation model Remote sensing Commercial software business.industry Mars Exploration Program Pipeline (software) Pipeline transport Photogrammetry Scale (map) business
Library of Congress Subject Headings: lcsh:QC801-809 lcsh:Geophysics. Cosmic physics
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citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).7 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average visibility views 15 download downloads 127 citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).7 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average Powered byBIP!- 15views127downloads