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#1
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Re: Second Color is not being processed!
Also make sure that if you're creating a new image and passing it in as Image DST to Color Threshold, etc. If you don't do this, it will do in-place thresholding, which means that it will replace the source image with the filtered red/black image, so when you go to do the filtering for the second color, it won't find it. To fix this, create a new image using IMAQ Create (make sure to give it a different name) and wire the new image into the Image DST input on the first Color Threshold (to be extra safe, create another one for the second Color Threshold as well).
I haven't actually looked at the inside of the demo vision code to see what it does, so you may have already done this when converting the code, but this is a problem I've had before when writing my own vision code. Seeing a glimpse every 30 frames also sounds similar to what I've seen before. --Ryan |
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#2
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Re: Second Color is not being processed!
Since I can't see the diagram, perhaps something else is going on too, but one more time, the measurement above show that in that picture your green was too narrow on all three values. If you do the threshold by hand using the results of the histogram, you will see that the green will not pass.
If you post a picture of the diagram, perhaps we can see if anything else looks fishy. Greg McKaskle |
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