goha=imread("goha.jpg");
goha=rgb2gray ( goha );
T=goha ; T ( goha<125)=0; T (goha>=125)=255;
figure ( ) ;
ShowImage ( T , "p" );
WriteImage ( T , "T.png" );
Struct=CreateStructureElement ( "circle" , 2) ;
diT=DilateImage ( T , Struct ) ;
erT=ErodeImage ( T , Struct ) ;
figure ( ) ;
ShowImage ( erT , "") ;
WriteImage ( diT , "diT.png");