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Using CIE L*a*b* on Vision Builder AI

Hi,

 

I am trying to use the Measure Colors on Vision Builder AI to measure CIE L*a*b* from an RGB image. I set my ROI and white reference, but I am still getting large L* values that are greater than 100. These look incorrect to me and I need L* values from 0-100 so that I can calculate LRV. Am I missing a step or is there something else I need to do on the measure colors? Any help would be appreciated!

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