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Is question number four correct?

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Nour George
Nour George on 29 Jun 2020
Closed: MATLAB Answer Bot on 20 Aug 2021
I have this question :
1-Read an image.
2-Show that image.
3-Write the image to the disk by new name.
4-What is the intensity value of the pixel located at position(4,7)?
*I solved the previous four questions, but Is the Solution is correct ?
figure
image_mat = imread('Picture3.jpg'); % image_mat is simply a matrix
imshow(image_mat);
imwrite(image_mat,'House.jpg');
disp(image_mat(4, 7))
imshow(image_mat);
  1 Comment
dpb
dpb on 29 Jun 2020
Dunno...one presumes is color image which has three planes if so...
What does
size(image_mat)
show you?

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