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Table 2 Average intensity of lint compared to cotton foreign matter categories with respect to the individual color channels from images under blue LED, UV LED, and white light illumination

From: Blue and UV LED-induced fluorescence in cotton foreign matter

Category Blue LED UV LED White light
Bark, Bract, Lint has higher - Lint has higher red, green,
Brown leaf, red and green - and blue reflectance
Green leaf, fl. emission -  
Stem   -  
Hull Lint has higher - Lint has higher red, green,
  green fl. - and blue reflectance
  emission -  
Paper - Lint has lower red, green Lint has lower red, green
  - and blue fl. emission and blue reflectance
Plastic bag - Lint has higher green and Lint has higher red and
  - blue fl. emission green reflectance
Plastic bale - Lint has higher green and Lint has higher blue
Packaging - blue fl. emission reflectance
Seed coat (Inner), - Lint has higher green and Lint has higher red, green,
Seed coat (Outer), - blue fl. emission and blue reflectance
Seed, Twine -