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This type may work well for smaller defects, however, it usually requires a lot more training data and it is our Experimental type, meaning that may not peform perform well in some applications.
Training time is usually longer.
Smaller & more precise view-finder sizes.
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Surface detector of Type 1 usually works better using bigger size of viewfinder view-finder than what would work with Type 2. The Type 3 surface detector doesn't use this parameter.
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