NDT Example - X-ray corroded oil pipe

Original X-ray image
+ Region Of Interest (ROI)

ROI centred on the corroded area

7x ROI
before enhancement

7x ROI
after enhancement

7x ROI
after enhancement
with annotation for measurements

Depth of corrosion 1 = 23.26 pixels
Depth of corrosion 2 = 13.93 pixels

Absolute units in mm may be obtained if an object of known width is put into the image plane and near to the effect for calibration.


Before and after enhancement, side-by-side:

'before' 'after'