Figure 4. Images of different types of defects used for the training

Figure 4. Images of different types of defects used for the training: (a,b)—air and shrinkage porosity defects; (c,d)—scratches; (e)—blurred image; (c,f,g,i)—different brightness and contrast of the image; (g,h)—ECS (some images are purportedly of lower quality).

Figure 4. Images of different types of defects used for the training: (a,b)—air and shrinkage porosity defects; (c,d)—scratches; (e)—blurred image; (c,f,g,i)—different brightness and contrast of the image; (g,h)—ECS (some images are purportedly of lower quality).

Figure 4. Images of different types of defects used for the training: (a,b)—air and shrinkage porosity defects; (c,d)—scratches; (e)—blurred image; (c,f,g,i)—different brightness and contrast of the image; (g,h)—ECS (some images are purportedly of lower quality).

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