can you explain this code?

Question

MARIYA DAVIS 2016-2-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/269117-can-you-explain-this-code

评论： Reyhaneh ST 2021-5-21

%Lung Mask Creation
croped = [];
croped = i(10:end-10,10:end-10) ;
figure(2)
subplot(221);imshow(mat2gray(croped));title('Croped Image');
binaryImage = croped < 120;
subplot(222),imshow(binaryImage, []),title('Original Binary Image');
se = strel('disk',6);
lungMask = zeros(m,n);
lungMask(10:end-10,10:end-10)= imclose(binaryImage,se);
subplot(223);imshow(lungMask);title('Lung mask');

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Answer 1

Stalin Samuel 2016-2-20

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https://ww2.mathworks.cn/matlabcentral/answers/269117-can-you-explain-this-code#answer_210545

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croped = [];%empty matrix created
croped = i(10:end-10,10:end-10) ;% we going to crop first 10 rows and and 10 columns of the image
figure(2)
subplot(221);imshow(mat2gray(croped));%croped region displayed
title('Croped Image');
binaryImage = croped < 120;%binaryImage contains  pixel value less than 120 from the croped image
subplot(222),
imshow(binaryImage, []),%binary image displayed
title('Original Binary Image');
se = strel('disk',6); %Create a disk-shaped structuring element
lungMask = zeros(m,n);
lungMask(10:end-10,10:end-10)= imclose(binaryImage,se);%se shape fills the gap with structuring element
subplot(223);
imshow(lungMask);
title('Lung mask');