Perception of weld defects in digital X radiography images
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- Udgivet:
- 19. november 2022
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- 152x229x9 mm.
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- 2-3 uger.
- 25. november 2024
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Ingen binding og kan opsiges når som helst.
Beskrivelse af Perception of weld defects in digital X radiography images
X-radiography inspection techniques are generally used in non-destructive evaluation
industry. Manual assessment of the inspection may fail and turn into false assessment due
to a large number of examining while inspection process. Accordingly, incorrect
assessment through human vision may cause immense industry disaster. Therefore, it is
essential to examine through machine vision, which is capable to avoid false assessment.
Digital X-radiography has widely been used in Non-Destructive Testing (NDT) and
particularly in weld defect detection. Weld defects occurrence is an unavoidable problem
during the welding process. Most common weld defects some of which are porosity, gas
pore, tungsten inclusion, longitudinal crack, lack of penetration, and slag inclusion.
Digital image processing techniques are a foremost way to experiment in the NDT. The
detection and classification of weld defects depend on the quality of the digitized image,
which is subjected to certain factors, such as noise, the mode of the image histogram,
defects of different dimensions, indiscernible defects in the image background, and low
contrast or unevenly illuminated image. More accuracy can be achieved during classification
of weld defects are always be subject to the deliverables of low and mid-level image
processing techniques. Therefore, it is desirable to provide more importance for these levels
in the weld X-radiography image.
industry. Manual assessment of the inspection may fail and turn into false assessment due
to a large number of examining while inspection process. Accordingly, incorrect
assessment through human vision may cause immense industry disaster. Therefore, it is
essential to examine through machine vision, which is capable to avoid false assessment.
Digital X-radiography has widely been used in Non-Destructive Testing (NDT) and
particularly in weld defect detection. Weld defects occurrence is an unavoidable problem
during the welding process. Most common weld defects some of which are porosity, gas
pore, tungsten inclusion, longitudinal crack, lack of penetration, and slag inclusion.
Digital image processing techniques are a foremost way to experiment in the NDT. The
detection and classification of weld defects depend on the quality of the digitized image,
which is subjected to certain factors, such as noise, the mode of the image histogram,
defects of different dimensions, indiscernible defects in the image background, and low
contrast or unevenly illuminated image. More accuracy can be achieved during classification
of weld defects are always be subject to the deliverables of low and mid-level image
processing techniques. Therefore, it is desirable to provide more importance for these levels
in the weld X-radiography image.
Brugerbedømmelser af Perception of weld defects in digital X radiography images
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