![]() The system uses machine vision to inspect pharmaceutical injection components. The vision part is working well and doesn't need to be replaced. The application is a machine vision solution using the Vision Development Module. I have a project where I need to take an existing LabVIEW solution and adapt it to make the application FDA 21 CFR Part 11 compliant. Would be a bit more work for you on the back end to figure out the ordering of the digits thoughįreelance/consultancy help needed at our Southern California location. I've never tried that, so I'm interested to see.Īlternatively, if your digits are always the same you could try making 10 templates (0-9) and using the IMAQ object/pattern matching VIs which are rotationally invariant. I'm not sure how well the OCR algorithms perform if the number is printed at an arbitrary angle. There are quite a lot of other tools you can play with to sharpen up your image. Once you have done that the OCR might work better. Alternatively, you can try dilate/erode combination, which may work better here in the even the numbers don't fully enclose the cavities every time. I'd first try the IMAQ Fill Holes.vi (I think it's called something like that). Once you have your coordinates set, I'd do a quick binary threshold on the central area where the numbers are, and use some binary morphology to fill the cavities inside your digits. I'd experiment with using the white circles to center your frame of reference. ![]()
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December 2022
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