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A tensor method tuned with carefully optimized derivative filters yields reliable and dense displacement vector fields -LRB- DVF -RRB- with an accuracy of up to a few hundredth pixels/frame for real-world images .
 used for: derivative filters, tensor method; evaluate for: pixels/frame, displacement vector fields -LRB- DVF -RRB-; used for: real-world images, pixels/frame
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  derivative filters, tensor method; pixels/frame, displacement vector fields -LRB- DVF -RRB-; real-world images, pixels/frame 
Answer:
 used for: derivative filters, tensor method; evaluate for: pixels/frame, displacement vector fields -LRB- DVF -RRB-; used for: real-world images, pixels/frame