3D Reconstruction Methods Purporting 3D Visualization and Volume Estimation of Brain Tumors

Int. J. e Collab. Pub Date : 2022-01-01 DOI:10.4018/IJeC.290296

D. Aju, Sushitha Susan Joseph

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Abstract

ThisworkproposestheCrustalgorithmfor3Dreconstructionofbraintumor,aneffectivemechanisminthevisualizationoftumorsforpresurgicalplanning,radiationdosecalculation.DespitethepromisingperformanceofCrustalgorithminreconstructionofStanfordmodels,ithasnotyetbeenconsideredin3Dreconstructionofbraintumor.Validationoftheresultsisdoneusingthecomparisonofthe3Dmodelsfromtwocutting-edgetechniques,namelytheMarchingCubeandtheAlphashapealgorithm.TheobtainedresultshowsthatCrustalgorithmprovidesthebraintumormodelwithanaveragequalityoftrianglemeshesrangingfrom0.85to0.95.Concerningthevisualrealism,thequalityofCrustalgorithmmodelsishigheroncomparisontotheothermodels.Precisionoftumorvolumemeasurementbyconvexhullmethodisanalysedbyrepeatabilityandreproducibility.Thestandarddeviationsofrepeatabilitywerebetween2.03%and3.97%.TheexperimentalresultsshowthatLinearCrustalgorithmproduceshighqualitymesheswithaveragequalityofequilateraltrianglescloseto1.

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用于脑肿瘤三维可视化和体积估计的三维重建方法

ThisworkproposestheCrustalgorithmfor3Dreconstructionofbraintumor，aneffectivemechanisminthevisualizationoftumorsforpresurgicalplanning，radiationdosecalculation.DespitethepromisingperformanceofCrustalgorithminreconstructionofStanfordmodels，ithasnotyetbeenconsideredin3Dreconstructionofbraintumor.Validationoftheresultsisdoneusingthecomparisonofthe3Dmodelsfromtwocutting-edgetechniques，namelytheMarchingCubeandtheAlphashapealgorithm.TheobtainedresultshowsthatCrustalgorithmprovidesthebraintumormodelwithanaveragequalityoftrianglemeshesrangingfrom0.85to0.95.Concerningthevisualrealism，thequalityofCrustalgorithmmodelsishigheroncomparisontotheothermodels.Precisionoftumorvolumemeasurementbyconvexhullmethodisanalysedbyrepeatabilityandreproducibility.Thestandarddeviationsofrepeatabilitywerebetween2.03%and3.97%.TheexperimentalresultsshowthatLinearCrustalgorithmproduceshighqualitymesheswithaveragequalityofequilateraltrianglescloseto1。

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Int. J. e Collab.

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