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The two main contributions of this paper are : i -RRB- a new type of three-plane graph for dense-stereo dynamic-programming , that encourages correct occlusion labeling ; ii -RRB- a compact geometric derivation for novel-view synthesis by direct projection of the minimum-cost surface .
 used for: three-plane graph, dense-stereo dynamic-programming; used for: dense-stereo dynamic-programming, occlusion labeling; used for: compact geometric derivation, novel-view synthesis; used for: direct projection of the minimum-cost surface, compact geometric derivation
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: three-plane graph, dense-stereo dynamic-programming; used for: dense-stereo dynamic-programming, occlusion labeling; used for: compact geometric derivation, novel-view synthesis; used for: direct projection of the minimum-cost surface, compact geometric derivation