How to use loops in Image processing

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Raviteja Kurva
Raviteja Kurva 2019-3-6
回答： Uttiya Ghosh 2020-6-19
Hello
I am new to programming, here i dont know how to use loops in Image processing and please help me out
Here i have to read images from from 2 cameras.
if the image is from cam1 then i should for 1st crop and if images is from cam2 i should go for 2nd crop how it can be done automatically whether to go for 1st crop or 2nd crop . please help me out Thanks in Advance
img= readim('cam1 or cam2.jpg');
img1=img{1};
% crop the image of cam1
%a = cut(img1,[885 1065],[13 59]);% crop the 1st image from daniela & change the values according to the image
%a = a{1};% convert RGB to Gray image
%b = cut(img1,[887 1069],[965 131]);%Crop the 2nd image from Daniela & change the values according to the image
%b = b{1};% convert RGB to Gray image
% Crop the Images of cam2
a = cut(img1,[847 1009],[75 111]);% crop the 1st image from Slave & change the values according to the image
a = a{1};% convert RGB to Gray image
b = cut(img1,[835 1004],[973 110]);% crop the 2nd image from Slave & change the values according to the image
b = b{1};% convert RGB to Gray image
%----------------------------------------------------------------------------------------------------------
c=b-91;
c(c<0)=0;
c(0:end,:)=c(end:-1:0,:); % flip the image if necessary
a=real(ift(extract(DampEdge(ft(a)),size(b))));% make the size of 'a' equal to 'b' or else b = a but always apply this funcion to larger image to convert to small
c=real(ift(extract(DampEdge(ft(c)),size(a))));%for Daniela image

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回答（1 个）

Uttiya Ghosh
Uttiya Ghosh 2020-6-19
Hi Raviteja,
From my understanding you would like to perform different operations on an image based on whether the image was captured from camera 1 or camera 2. I am assuming your images have the name with the format "<imagName>_<camType>.jpg"
fileName="img1_cam1.jpg";
imgName=strsplit(fileName,'_');
imgName=imgName(2);
camType=strsplit(imgName,'.');
camType=camType(1);
if (strcmp(camType,"cam1"))
% Crop the image of cam1
else
% Crop the image of cam2
end
For reading images in MATLAB use the imread function. You may refer to the link below.
https://www.mathworks.com/help/matlab/ref/imread.html

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