简介：Inthispaper,afacialfeatureextractingmethodisproposedtotransformthree-dimension(3D)headimagesofinfantswithdeformationalplagiocephalyforassessmentofasymmetry.Thefeaturesof3Dpointcloudsofaninfant’scraniumcanbeidentifiedbylocalfeatureanalysisandatwo-phasek-meansclassificationalgorithm.The3Dimagesofinfantswithasymmetriccraniumcanthenbealignedtothesamepose.Themirroredheadmodelobtainedfromthesymmetryplaneiscomparedwiththeoriginalmodelforthemeasurementofasymmetry.Numericaldataofthecranialvolumecanbereviewedbyapediatriciantoadjustthetreatmentplan.Thesystemcanalsobeusedtodemonstratethetreatmentprogress.
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