TexAn: Textural analysis of sidescan sonar imagery and generic seafloor characterization

Ph Blondel, L. M. Parson, V. Robigou

Research output: Contribution to journalConference articlepeer-review

35 Citations (SciVal)


Geophysical and environmental seafloor surveys make an extensive use of sidescan sonar imagery. Most of it is still interpreted visually and qualitatively. We are presenting here a method of textural analysis, with supplements the interpreter with reliable quantitative results. The TexAn technique has been extensively ground-truthed in complex mid-ocean ridge terrains, using submersible and ROV observations, and in-situ sampling. The frequencies used so far range from 6.5 kHz to 500 kHz; all applications have been validated and ground-checked. Current applications cover very different environments, from mid-ocean ridges to continental margins and coastal waters. TexAn enables quantitative assessments of sidescan sonar imagery, at all stages of processing and in all conditions. TexAn also reveals details hitherto invisible to the human eye, however experienced.

Original languageEnglish
Pages (from-to)419-423
Number of pages5
JournalOceans Conference Record (IEEE)
Publication statusPublished - 1 Dec 1998
EventProceedings of the 1998 Oceans Conference. Part 1 (of 3) - Nice, Fr
Duration: 28 Sept 19981 Oct 1998

ASJC Scopus subject areas

  • Oceanography


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