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IMAQ threshold vi is carry out based on global information or local information

Hi,
 
Good day. i'm currently using the grayscale threshold which is the IMAQ threshold from Labview. Do anyone here know this grayscale threshold is done or carried out based on global information (e.g gray level histogram of the entire image) or local information (co-occurrence matrix)? Thanks in advance....
 
With regard,
ng teck siong
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Hey nts,
Currently, the threshold is performed based on the global information. Please contact National Instruments Support for more information regarding your question. Thanks, and have a great day.
 
Regards,
DJ L.
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