Our planned inspecting reflective surfaces for scratches in a precision metal-parts inspection area has Universal Robots UR5e presenting a bright-finished enclosure faceplate to a fixed camera.
The example images contain bright streaks that shift with small presentation differences, yet those streaks are being labelled as scratches.
Before commissioning, I'd like to establish reliable references and image conditions for threshold tuning.
Check whether the suspected scratches were confirmed on physical samples under the agreed appearance procedure. Link each image to its sample identity and inspection result first.
Some labels came from the pictures alone. We still have the samples, but those labels aren't tied to physical inspection results. That's irritatingly circular.
@SaraAli0200 Keep the image-only labels uncertain pending physical inspection. A controlled comparison of lighting and presentation can then investigate whether the moving streaks indicate reflection effects.
That clue needs a limit: presentation can also change how a real scratch appears. Movement in the image isn't enough to reclassify the sample as acceptable.
@NoahArcher0368 Correct. I meant a reason to investigate the imaging, not a new defect label. Physical acceptance stays with the agreed inspection method.
@RobinAdams0164 Retain their sample identities and undecided status. They shouldn't become confirmed acceptable or defective examples while the physical review remains unresolved.
I've checked the image folders and found that exposure and presentation both changed between them. Their improved appearance can't be attributed to either change individually.
I'm making a comparison sheet from those folders. Would you group it by sample first, then image settings? I nearly did a before/after page, which makes it look like we'd fixed something.
I would start with one sample per row. Leave an empty space where you lack a matching view; a different faceplate is not the missing 'before' picture. Put the physical inspection status beside it too, even if that still says undecided. Less pretty, more useful.