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2. ISO 17637:2016. Non-destructive testing of welds – Visual testing of fusion-welded joints.
3. ISO 6520-1:2007. Welding and allied processes – Classification of geometric imperfections in metallic materials – Part 1: Fusion welding.
4. A state-of-the-art survey of welding radiographic image analysis: challenges, technologies and applications;Liu;Measurement,2023
5. Computer vision for X-ray testing: imaging, systems, image databases, and algorithms;Mery,2021