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By relaxing the mesh connectivity requirement , we extend ROD-TV and propose a simple but effective multiscale feature extraction algorithm .
 mesh connectivity requirement, multiscale feature extraction algorithm; ROD-TV, multiscale feature extraction algorithm
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 mesh connectivity requirement, multiscale feature extraction algorithm; ROD-TV, multiscale feature extraction algorithm