remove the edges present outside the circle
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i am able to detect the circle in an eye image but along with circle i am also getting other extra edges . how do i remove that?please help i have uploaded both original image and processed image
gray=imread('008_1_1.jpg');
%gray=rgb2gray(gray);
t4=imresize(gray,[512,512],'bilinear');
%imshow(t4);
%set(gcf,'Units','Normalized','OuterPosition',[0 0 1 1]);
binary=imbinarize(t4,.4);
%imshow(binary);
%binary=imcrop(binary);
g=fspecial('gaussian',[512 512],15);
ig=imfilter(binary,g,'same');
bw2=edge(ig,'canny',0.53,10);
%k=get(handles.id1,'String');
filen=['100.png'];
%basefile=sprintf('%d.png',k);
fullfilenam=fullfile('C:\Users\AKSHATHA\Documents\MATLAB\database\eyeimages',filen);
imwrite(bw2,fullfilenam);
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KALYAN ACHARJYA
2019 年 5 月 6 日
編集済み: KALYAN ACHARJYA
2019 年 5 月 6 日
Here assuming that the circle size is maximum in all cases, if not result will different
result=bwareafilt(binary_image,1);
imshow(result);
Hope it Helps!
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