how to fill crack in Image

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nkumar 2013-3-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/67583-how-to-fill-crack-in-image

I want to dill the crack in the image using filtering concept tried by following code,but could not fill it,kindly help

clc
clear all
close all
gauss = fspecial ('gaussian' , [ 5 5 ] ) ; % Ga u s s i a n Blur F i l t e r
I=double(imread('crack1.png'))./255 ;a=I;
I1= imfilter(I,gauss ) ;
s=strel('square',3);
h=imsubtract(imclose(a,s),a);
IMG=double(imresize(h,[256 256]));
imshow(h),figure,imshow(a)
level = graythresh(IMG);
BW = im2bw(IMG,level);
imshow(BW)
figure,imshow(BW)
SE = [strel('line' , 3 , 0)
    strel('line',3,45)
    strel('line',3,90)
    strel('line',3,135)] ;
ERED = BW-imerode ( BW ,s ) ;
figure,imshow(ERED)
BW2 = bwareaopen(ERED,100);
figure,imshow(BW2)