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Automated segmentation of ultrasonic volumetric data of composite materials

 
: Osman, Ahmad; Hassler, Ulf; Kaftandjian, Valérie; Hornegger, Joachim

:

Insight 57 (2015), Nr.3, S.153-160
ISSN: 1354-2575
ISSN: 0007-1137
Englisch
Zeitschriftenaufsatz
Fraunhofer IZFP ()
sampling phased array; composite materials; ultrasound image analysis; speckle noise reduction

Abstract
Manual ultrasonic testing is frequently applied to inspect the quality of carbon fibre-reinforced polymer composites (CFRP), especially in the aerospace industry. There is an immediate requirement to replace manual ultrasonic testing and data evaluation with an automated system. A part of the solution is provided via automated acquisition of ultrasound data. The second part to be solved is the analysis of the enormous amount of data generated. The objective of this contribution is to propose a method that can provide an automated interpretation of data. The proposed method is tested on two CFRP samples with artificial defects of different sizes, depths and shapes.

: http://publica.fraunhofer.de/dokumente/N-332399.html