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Incompatible image type IMAQ Correct Calibrated Image

Hi,

 

I got the following error message when I run 'VT; Main.vi' en pressing the Calibrate button on the front panel.

 

VT; TRACK.vi error-1074396077 occurred at IMAQ Correct Calibrated Image

Possible reason(s):

Incompatible image type.

 

Typecasting the input 'Image Src' from U8 to RGB U32, which is the calibration template image reference, solves the problem. However, then thereafter I must immediately typecast the result of the 'IMAQ Correct Calibrated Image' function back to greyscale U8 as the input of 'IMAQ Find Pattern 4' needs U8 (only supported type).

 

Why does it not support grayscale (U8) input for 'Image Src' input node of the 'IMAQ Correct Calibrated Image' vi? In the help file it is stated under supported files:
U8, U16, RGB U32, I16, SGL, HSL U32.

So, it SHOULD not be needed to typecast the image...

 

Can anyone explain me this behavior?

 

Many thanks!

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