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DC Field | Value | Language |
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dc.contributor.author | Nelson, Erik A. | - |
dc.contributor.author | Dunn, Ian T. | - |
dc.contributor.author | Forrester, Jeffrey | - |
dc.contributor.author | Gambin, Timmy | - |
dc.contributor.author | Clark, Christopher M. | - |
dc.contributor.author | Wood, Zoe J. | - |
dc.date.accessioned | 2018-01-16T13:41:30Z | - |
dc.date.available | 2018-01-16T13:41:30Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Nelson, E. A., Dunn, I. T., Forrester, J., Gambin, T., Clark, C. M., & Wood, Z. J. (2014). Surface reconstruction of ancient water storage systems an approach for sparse 3D sonar scans and fused stereo images. 9th International Conference on Computer Graphics Theory and Applications, Lisbon. 161-168. | en_GB |
dc.identifier.uri | https://www.um.edu.mt/library/oar//handle/123456789/25833 | - |
dc.description.abstract | This work presents a process pipeline that addresses the problem of reconstructing surfaces of underwater structures from stereo images and sonar scans collected with a micro-ROV on the islands of Malta and Gozo. Using a limited sensor load, sonar and small GoPro Hero2 cameras, the micro-ROV is able to explore water systems and gather data. As a preprocess to the reconstruction pipeline, a 3D evidence grid is created by mosaicing horizontal and vertical sonar scans. A volumetric representation is then constructed using a level set method. Fine-scale details from the scene are captured in stereo cameras, and are transformed into point clouds and projected into the volume. A raycasting technique is used to trim the volume in accordance with the projected point clouds, thus reintroducing fine details to the rough sonar-generated model. The resulting volume is surfaced, yielding a final mesh which can be viewed and interacted with for archaeological and educational purposes. Initial results from both steps of the reconstruction pipeline are presented and discussed. | en_GB |
dc.language.iso | en | en_GB |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | en_GB |
dc.rights | info:eu-repo/semantics/openAccess | en_GB |
dc.subject | Geometrical constructions | en_GB |
dc.subject | Underwater surveillance | en_GB |
dc.subject | Civilization, Ancient -- Computer simulation | en_GB |
dc.subject | Water -- Storage -- History | en_GB |
dc.title | Surface reconstruction of ancient water storage systems an approach for sparse 3D sonar scans and fused stereo images | en_GB |
dc.type | conferenceObject | en_GB |
dc.rights.holder | The copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder | en_GB |
dc.bibliographicCitation.conferencename | 9th International Conference on Computer Graphics Theory and Applications (GRAPP-2014) | en_GB |
dc.bibliographicCitation.conferenceplace | Lisbon, Portugal, 2014 | en_GB |
dc.description.reviewed | peer-reviewed | en_GB |
dc.identifier.doi | 10.5220/0004694901610168 | - |
Appears in Collections: | Scholarly Works - FacArtCA |
Files in This Item:
File | Description | Size | Format | |
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GRAPP_2014_69.pdf | 1.28 MB | Adobe PDF | View/Open |
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