Research of Adaptive Extracting Algorithm Facing Blade Crack Image

Abstract:

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RT(X-Radiography Testing) is a very import inspection method for detecting engine blade crack, and the defect is identified by person distinguishing the film for traditional RT. The traditional method is involved in high mistake and missed examining rate and low efficiency. It is great significance to blade integrity and flight safety that the crack can be quickly distinguished. In the paper, adopting a adaptive segmenting algorithm based on OTSU to quickly distinguish the crack on the blade image, and it can definite the threshold facing different gray image, and can reliably inspect the cracks which detection rate was 98%. The recognition accuracy for crack can reach 0.16mm Simulation result verify that the method is very effective on adaptively segmenting the blade image according to the threshold for crack inspection

Info:

Periodical:

Edited by:

Robin G. Qiu and Yongfeng Ju

Pages:

732-738

DOI:

10.4028/www.scientific.net/AMM.135-136.732

Citation:

L. M. Wen et al., "Research of Adaptive Extracting Algorithm Facing Blade Crack Image", Applied Mechanics and Materials, Vols. 135-136, pp. 732-738, 2012

Online since:

October 2011

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Price:

$35.00

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