Tomographic analysis method for detecting anomalies

Abstract

A method for the tomographic analysis detects anomalies in a part. The method includes the steps of acquiring at least one three-dimensional image of the part by means of a tomography device; subdividing the image into elementary subparts; analyzing a grayscale distribution in each subpart; obtaining at least one parameter representative of said grayscale distribution for each subpart; and comparing the one or more parameters obtained for each subpart with standard values characteristic of a defect-free region. The method further includes the steps of detecting abnormal subparts for which the one or more parameters differ from the standard values; determining risk regions, which comprise each abnormal subpart and each subpart adjacent to at least one abnormal subpart; and analyzing the risk regions in order to detect the anomalies in the part.

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