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    STUDIA CHEMIA - Issue no. 3 / 2009  
         
  Article:   RED PEPPER POWDER COLOR MEASUREMENT BY USING AN INTEGRATING SPHERE AND DIGITAL IMAGE PROCESSING.

Authors:  EUGEN DARVASI, LADISLAU KÉKEDY-NAGY.
 
       
         
  Abstract:  

A home made integrating sphere and a commercial digital camera were used to calculate the color characteristics of 16 pepper powder samples. Similar data for the samples were calculated from reflectance spectrum data measurements too, as reference ones. The color parameters calculated with the two methods agree within the experimental errors.

 

Keywords: red pepper, color, integrating sphere, CIELa*b*, RGB, digital image

 
         
     
         
         
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