748
Constraints provided by observed pixel colors , highlight color analysis and illumination color uniformity are employed in our method to improve estimation of the underlying diffuse color .
 used for: Constraints, method; conjunction: pixel colors, highlight color analysis; conjunction: highlight color analysis, illumination color uniformity; used for: method, estimation of the underlying diffuse color
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: Constraints, method; conjunction: pixel colors, highlight color analysis; conjunction: highlight color analysis, illumination color uniformity; used for: method, estimation of the underlying diffuse color