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thomas2609

Optical character recognition

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I've used the OCR from the NI Vision toolkit, it is quite good. It has a good training interface and good accuracy when trained well. I like using it with the vision builder interface to prototype. I've tried out various 3rd party OCR API toolkits too and found Transym OCR to work the best out of the ones I've tried. Both have a free evaluation period so you can try them out.

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I attempted onece to use GOCR- open source command line tool. I don't remember exactly how it worked because project I used it for died at the beginning.

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We are using the labview OCR on a machine at the moment. As long as you have high contrast and train each character/number for several lighting levels (or flood the area with strong lighting to counter ambient); it is quite robust.

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