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To this end , we leverage surface isometry and formulate 3D reconstruction as the joint problem of non-rigid image registration and depth estimation .
 surface isometry, 3D reconstruction; joint problem of non-rigid image registration and depth estimation, 3D reconstruction
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:
 surface isometry, 3D reconstruction; joint problem of non-rigid image registration and depth estimation, 3D reconstruction