8088
This paper presents an approach to reliably extracting layers from images by taking advantages of the fact that homographies induced by planar patches in the scene form a low dimensional linear subspace .
 used for: approach, layers; part of: layers, images; part of: planar patches, scene
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:  approach, layers; layers, images; planar patches, scene 
Answer:
 used for: approach, layers; part of: layers, images; part of: planar patches, scene