Comparison of Conventional Technique and Migration Approach for Total Focusing | Zendy

Ewen Carcreff | Zendy; Dominique Braconnier | Zendy

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Comparison of Conventional Technique and Migration Approach for Total Focusing

Author(s) -

Ewen Carcreff,

Dominique Braconnier

Publication year - 2015

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2015.08.022

Subject(s) - computer science , block (permutation group theory) , nondestructive testing , ultrasonic sensor , signal (programming language) , noise (video) , aperture (computer memory) , optics , acoustics , image (mathematics) , materials science , computer vision , physics , mathematics , geometry , quantum mechanics , programming language

ynthetic aperture focusing technique (SAFT) and total focusing method (TFM) have become popular tools in the field of ultrasonic nondestructive imaging. From data acquired with an array probe, those techniques aim at reconstructing an image of the inspected object from coherent summations. In this paper, we make a comparison between the conventional technique and a migration approach. With experimental data acquired from an aluminum block containing side drilled holes, we show that the migration approach is faster than the conventional technique and that the signal to noise ratio is significantly increased

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