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Extracted Abstract:
Recently,thanksto thediffusionofscanningdevicesand the availability ofpowerful3Dmodelingsoftware,as well as to theimprovementsin theautomation oftheimage-based modelingapproach,it isforeseenthat 3Dmodelswill be- comemoreandmoreubiquitousinseveralresearchfields. However, 3Dmodelsobtainedbythesetechnologiesoften arelackingfor asuitablephotorealisticappearance,due to the lowqualitygeneratedtexture,or to thecompleteabsence ofit. Apost-processingtexturemappingisoftenusedto obtainhighlyrealisticmodels,throughanaccuratemanual alignment ofthemodeland therelatedtexture.In this work, weproposeanautomaticapproachformappingthetextureon flat-like3Dmodels,inwhichthedepthcomponentis smaller comparedto theobject'sheightandwidth,such as inbass- relieves,coins,paintingsorfacades.Themethodrelieson the evaluationfrom themodelgeometry ofa depthmap,usedto align thetextureimage. Theresultsshow theeffectiveness of theproposedmethod. IndexTerms-texturemapping,3D,mesh,registration, mutualinformation 1.