Chapter4MathematicalMorphology1.DilationDilationcanrepairbreaksMATLAB:A=imread('D:\text.png');%targetimageimshow(A);B=[010;111;010];%structuralelementA1=imdilate(A,B);figure,imshow(A1);2.ErosionMATLAB:A=imread('D:\circles.png');imshow(A);S=strel('diamond',3);%constructstructuringelementB=imerode(A,S);figure,imshow(B)Forexample:originalimage4.Hit-or-MissTransformHit-or-MissTransformstructuringelementpair:symmetricprocedure:modelexample:thinningeffect:5.BasicMorphologyAlgorithms（1）BoundaryExtractionexample:effect:(2)HoleFillingHowtofillahole?Howtofillimagethathasmanyholes？(3)ExtractionofconnectedcomponentsDefinition：（4）ThinningThinningDefinitionandAlgorithm:ThinningThinningAnotheralgorithm:Howtojudgewhetherapointshouldberemoved?Thinning(5)ThickeningThickeningDefinition:Anotheralgorithmwiththiningandcomplementing.(6)SkeletonsskeletonsDefiniton:example:(7)pruningwhere{B}={B1,B2,......B8}isgivenbelow:pruning