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Article Dans Une Revue Journal of Physics: Conference Series Année : 2012

Ultrasonic non destructive testing based on sparse deconvolution

Résumé

The acoustic modality yields non destructive testing techniques of choice for in-depth investigation. Given a precise model of acoustic wave propagation in materials of possibly complex structures, acoustical imaging amounts to the so-called acoustic wave inversion. A less ambitious approach consists in processing pulse-echo data (typically, A- or B-scans) to detect localised echoes with the maximum temporal (and lateral) precision. This is a resolution enhancement problem, and more precisely a sparse deconvolution problem which is naturally addressed in the inversion framework. The paper focuses on the main sparse deconvolution methods and algorithms, with a view to apply them to ultrasonic non-destructive testing.
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Dates et versions

hal-00751517 , version 1 (13-11-2012)

Identifiants

  • HAL Id : hal-00751517 , version 1

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Charles Soussen, Jérôme Idier, Ewen Carcreff, Laurent Simon, Catherine Potel. Ultrasonic non destructive testing based on sparse deconvolution. Journal of Physics: Conference Series, 2012, 353 (012018), pp.1-10. ⟨hal-00751517⟩
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