Readjust a camera data set

Question

Grace 2022-2-3

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https://ww2.mathworks.cn/matlabcentral/answers/1642300-readjust-a-camera-data-set

回答： Bhanu Prakash 2024-7-15，15:08

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I have a data set of size 2000*300*20. It is a data from a camera with 2000 pixel.

I want to extract out the last data set in the x and y cordinates i.e. at 300 and 20.

Afterwards, I want to use it to replace all the data points of all other x and y components.

I have made some attempts but with no success, I will attached my code for any for useful comments. Thanks

m=size(A.Volume); % A data of size; 2000*300*20
new_A.Volume=A.Volume;
for i = 1:m(2);
   for j = 1:m(3);        
       new_A.Volume(i, j)=A.Volume(:,m(2),m(3));
   end
end

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Answer 1

Bhanu Prakash 2024-7-15，15:08

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https://ww2.mathworks.cn/matlabcentral/answers/1642300-readjust-a-camera-data-set#answer_1485573

Hi Grace,

It seems that you are assigning a 2000x1 matrix (size of A.Volume(:,m(2),m(3))) to a single element of 'new_A.Volume(i, j)', which is leading to the error.

To resolve this, you can use 'new_A.Volume(:, i, j)' instead of 'new_A.Volume(i, j)'. This will replace each data set of 'new_A.Volume' with the last data set of 'A.Volume'.