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Circular discontinuities detection in welded joints using Circular Hough Transform
(Elsevier B.V., 2007)
Conventional radiography is one of the common non-destructive testing which employs manual image interpretation. The interpretation is very subjective and depends much on the inspector experience and working conditions. ...
A comparison of circular object detection using Hough transform and chord intersection
(Institute of Eelectrical and Electronics Engineering (IEEE), 2007-07)
In this paper, the circular Hough transform (CHT) and the chord intersection have been used to find the circular object in the feature extraction process. The chord intersection technique does not require any gradient ...