How do I vertically segment a image in three parts?

Question

Sumita Das 2016-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/303746-how-do-i-vertically-segment-a-image-in-three-parts

编辑： Abdullah Al 2020-10-30

One of the module of my project requires me to divide a page into three parts, and then discard the middle one. Then I have to work with the 1st and the 3rd part? How do I segment my image into three parts?

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Adam 2016-9-20

Just use standard array indexing as you would to divide up any array into subarrays.

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Answer 1

Gopichandh Danala 2016-9-22

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https://ww2.mathworks.cn/matlabcentral/answers/303746-how-do-i-vertically-segment-a-image-in-three-parts#answer_235752

编辑：Gopichandh Danala 2016-9-22

在 MATLAB Online 中打开

You didn't provide the actual image but gave a mapped image I used it instead.

Here is the code:

% paper split
img = imread('paper.jpg');
%imshow(img, []);
[nrows ncols dim] = size(img);
% Get the slices colums wise split equally
img1 = img(:,1:ncols/3,:);
img2 = img(:,(ncols/3)+1:2*ncols/3,:);
img3 = img(:,(2*ncols/3)+1:ncols,:);
figure,
subplot(1,3,1), imshow(img1,[]); title('first part');
subplot(1,3,2), imshow(img2,[]); title('second part');
subplot(1,3,3), imshow(img3,[]); title('third part');