Mawson the astrobiologist rover : towards automatic recognition of stromatolites

Li, Rodney, Peynot, Thierry, & Flannery, David (2012) Mawson the astrobiologist rover : towards automatic recognition of stromatolites. In Proceedings - International Symposium on Artificial Intelligence, Robotics and Automation in Space (i-SAIRAS 2012), Turin, Italy.

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This work aims at developing a planetary rover capable of acting as an assistant astrobiologist: making a preliminary analysis of the collected visual images that will help to make better use of the scientists time by pointing out the most interesting pieces of data. This paper focuses on the problem of detecting and recognising particular types of stromatolites. Inspired by the processes actual astrobiologists go through in the field when identifying stromatolites, the processes we investigate focus on recognising characteristics associated with biogenicity. The extraction of these characteristics is based on the analysis of geometrical structure enhanced by passing the images of stromatolites into an edge-detection filter and its Fourier Transform, revealing typical spatial frequency patterns. The proposed analysis is performed on both simulated images of stromatolite structures and images of real stromatolites taken in the field by astrobiologists.

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ID Code: 67611
Item Type: Conference Paper
Refereed: No
Additional URLs:
Keywords: planetary rovers, astrobiology, stromatolites, computer vision
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Please consult the authors
Deposited On: 06 Mar 2014 00:05
Last Modified: 06 Mar 2014 00:09

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