A vision system for automated crack detection in welds
Система технического зрения для автоматического обнаружения трещин в сварных швах
1990-03-01
SCID: 54.1/jttkdbmk
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automated crack detectioncomputer visioncrack recognitionmagnetic particle inspectionweld inspection
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Abstract (AI)
The authors describe the development of a vision-based system for automated inspection of surface cracks in materials. The magnetic particle inspection method is used to reveal cracks in ferromagnetic materials. The vision system consists of an IBM AT compatible computer, a framestore and a camera. Details of the preparation procedure and the software algorithms for crack recognition are discussed. Results are presented for transverse and longitudinal cracks in welds used to fabricate structures.
Key Findings
1
A vision-based system was developed for automated detection of surface cracks in welds.
2
Crack-recognition software algorithms and specimen-preparation procedures are described.
3
Magnetic particle inspection reveals cracks in ferromagnetic materials before image-based analysis.
4
The system integrates an IBM AT-compatible computer, framestore, and camera for automated inspection.
5
The system was evaluated on transverse and longitudinal cracks in structural welds.
Research Object
Transverse and longitudinal surface cracks in welds used to fabricate structures
Research Subject
Automated vision-based detection and recognition of weld cracks revealed by magnetic particle inspection
Publication Details
Publication Date
1990-03-01
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