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A novel simplified and high-precision georeferenced model for multibeam bathymetric data.

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Title: A novel simplified and high-precision georeferenced model for multibeam bathymetric data.
Authors: Yan, Xunpeng1 (AUTHOR), Bu, Xianhai1,2 (AUTHOR) buxianhai2012@163.com, Xin, Mingzhen1,2 (AUTHOR), Fan, Miao3,4 (AUTHOR), Zhang, Jianxing5 (AUTHOR), Yang, Fanlin1,2 (AUTHOR)
Source: Journal of Oceanology & Limnology. May2026, Vol. 44 Issue 3, p978-989. 12p.
Subject Terms: *Multibeam mapping, *Mathematical models, *Oceanographic maps, *Sonar imaging, *Electronic data processing
Abstract: Multibeam echosounder system (MBES) is an essential acoustic remote sensing technique for seabed topography surveys. The georeferenced model is crucial for the MBES when calculating the bathymetric soundings' geolocation and depth. Existing models are complex and time-consuming, failing to meet the demands of large-scale or real-time data processing. To address these issues, we proposed a simplified and high-precision method. First, two regular sectors with the same vertex are assumed to represent the across-track and along-track beam patterns of the multibeam transmitter and receiver, respectively, instead of two cones in the conventional virtual concentric cone array (VCCA) model. Secondly, the beam vector representing the direction of sound ray tracing is derived by calculating the intersection point coordinates between the two sectors. Finally, an efficient progressive equivalent sound speed profile ray tracing progress is used to obtain the final depth of soundings. Experimental results demonstrate that the proposed method substantially reduces processing time, with reductions of approximately 52% for shallow water data and 84% for deep water data. The root mean square error of depth discrepancies is approximately 0.58% of water depth in overlapping regions of cross-survey lines. Furthermore, the proposed method achieves accuracy comparable to the VCCA algorithm. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 195072589
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: A novel simplified and high-precision georeferenced model for multibeam bathymetric data.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Yan%2C+Xunpeng%22">Yan, Xunpeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bu%2C+Xianhai%22">Bu, Xianhai</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> buxianhai2012@163.com</i><br /><searchLink fieldCode="AR" term="%22Xin%2C+Mingzhen%22">Xin, Mingzhen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fan%2C+Miao%22">Fan, Miao</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jianxing%22">Zhang, Jianxing</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Fanlin%22">Yang, Fanlin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Oceanology+%26+Limnology%22">Journal of Oceanology & Limnology</searchLink>. May2026, Vol. 44 Issue 3, p978-989. 12p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Multibeam+mapping%22">Multibeam mapping</searchLink><br />*<searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br />*<searchLink fieldCode="DE" term="%22Oceanographic+maps%22">Oceanographic maps</searchLink><br />*<searchLink fieldCode="DE" term="%22Sonar+imaging%22">Sonar imaging</searchLink><br />*<searchLink fieldCode="DE" term="%22Electronic+data+processing%22">Electronic data processing</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Multibeam echosounder system (MBES) is an essential acoustic remote sensing technique for seabed topography surveys. The georeferenced model is crucial for the MBES when calculating the bathymetric soundings' geolocation and depth. Existing models are complex and time-consuming, failing to meet the demands of large-scale or real-time data processing. To address these issues, we proposed a simplified and high-precision method. First, two regular sectors with the same vertex are assumed to represent the across-track and along-track beam patterns of the multibeam transmitter and receiver, respectively, instead of two cones in the conventional virtual concentric cone array (VCCA) model. Secondly, the beam vector representing the direction of sound ray tracing is derived by calculating the intersection point coordinates between the two sectors. Finally, an efficient progressive equivalent sound speed profile ray tracing progress is used to obtain the final depth of soundings. Experimental results demonstrate that the proposed method substantially reduces processing time, with reductions of approximately 52% for shallow water data and 84% for deep water data. The root mean square error of depth discrepancies is approximately 0.58% of water depth in overlapping regions of cross-survey lines. Furthermore, the proposed method achieves accuracy comparable to the VCCA algorithm. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195072589
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1007/s00343-025-5034-z
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 978
    Subjects:
      – SubjectFull: Multibeam mapping
        Type: general
      – SubjectFull: Mathematical models
        Type: general
      – SubjectFull: Oceanographic maps
        Type: general
      – SubjectFull: Sonar imaging
        Type: general
      – SubjectFull: Electronic data processing
        Type: general
    Titles:
      – TitleFull: A novel simplified and high-precision georeferenced model for multibeam bathymetric data.
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          Name:
            NameFull: Yan, Xunpeng
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            NameFull: Bu, Xianhai
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            NameFull: Xin, Mingzhen
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            NameFull: Fan, Miao
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            NameFull: Zhang, Jianxing
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            NameFull: Yang, Fanlin
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 20965508
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              Value: 44
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            – TitleFull: Journal of Oceanology & Limnology
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