Why is the subplot not holding the plot ?It just plots the 1st part and does not wait for 2nd to get computed?

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Sumeet Badgujar
Sumeet Badgujar 2018-10-27
评论： Image Analyst 2018-10-28
clear all;
close all;
aa=imread ('cm.jpg');
%Digital negative-------
figure(1);
subplot (2, 2, 1);
imshow ([255-aa]);
title ('Digital negative of image net');
%Thresholding of image-------
t=input ('Enter threshold value ');
r=double(aa);
[row col]=size(r);
for i=1:1:row
for j=1:1:col
if(r(i,j)>t);
r(i, j)=1;
else
r(i,j)=0;
end
end
end
subplot(2, 2, 2);
imshow(r);
title ('Thresholding of image');

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回答（1 个）

Image Analyst
Image Analyst 2018-10-27
It should wait at this line
t=input ('Enter threshold value ');
for you to enter a number, then continue. That's what it does for me. Are you saying it does not wait for you to enter something in the command window?
You might like my interactive thresholding app: https://www.mathworks.com/matlabcentral/fileexchange/29372-thresholding-an-image

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