The best methods to prepare to read a display 7-segment

What are the best techniques to use to get the imaqFindLCDSegments works well?

I'm currently thresholding of image and using erosion Morpholgy tool to separate the segments but am gettign an error saying that "the input image is not an LCD or LED valid calibration image.

Using this function with imaqReadLCD I can read numbers, but all the letters appear to be a problem. C all error above a L manages to move the stadium to find the causes, but at the stage of the reading, I said that the KING is not valid

Thanks in advanced for any help

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Thanks for all your help.

I found that the threshold is set too low because I spent a binary level with high contrast. Which has much improved the performance of the service.

I now use segments to identify the characters, because it is a feature that I had forgotten!

Thanks again!

Tags: NI Hardware

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