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  Deep Learning-driven Detection and Mapping of Rockfalls on Mars

Bickel, V. T., Conway, S. J., Tesson, P.-A., Manconi, A., Loew, S., & Mall, U. (2020). Deep Learning-driven Detection and Mapping of Rockfalls on Mars. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. doi:10.1109/JSTARS.2020.2991588.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-87BF-B Version Permalink: http://hdl.handle.net/21.11116/0000-0006-87C0-8
Genre: Journal Article

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Bickel, Valentin Tertius1, Author              
Conway, Susan J, Author
Tesson, Pierre-Antoine, Author
Manconi, Andrea, Author
Loew, Simon, Author
Mall, Urs1, Author              
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 Abstract: The analysis of rockfall distribution and magnitude is a useful tool to study the past and current endogenic and exogenic activity of Mars. At the same time, tracks left by rockfalls provide insights into the mechanical properties of the martian surface. While a wealth of high-resolution space-borne image data are available, manual mapping of displaced boulders with tracks is inefficient and slow, resulting in 1) a small total number of mapped features, 2) inadequate statistics, and 3) a sub-optimal utilization of the available big data. This study implements a deep learning-driven approach to automatically detect and map martian boulders with tracks in High Resolution Imaging Science Experiment (HiRISE) imagery. Six off-the-shelf neural networks have been trained either on martian or lunar rockfall data, or a combination of both, and are able to achieve a maximum recall of up to 0.78 and a maximum precision of up to 1.0, with a mean average precision of 0.71. The fusion of training data from different planets and sensors results in an increased detection precision, highlighting the value of domain generalization and multi-domain learning. Average processing time per HiRISE image is ~45 s using an NVIDIA Titan Xp, which is more than one order of magnitude faster than a human operator. The developed deep learning-driven infrastructure can be deployed to map martian rockfalls on a global scale and within a realistic timeframe.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1109/JSTARS.2020.2991588
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Title: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Source Genre: Journal
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Publ. Info: New York, NY : IEEE
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