How to loop all slice locations from a image volume as a single column vector?

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blues 2022-6-28

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https://ww2.mathworks.cn/matlabcentral/answers/1749770-how-to-loop-all-slice-locations-from-a-image-volume-as-a-single-column-vector

评论： Voss 2022-6-29

Hello, I am reading DICOM images from a folder and want to read all image slice locations such that I can have all slice locations as a column vector (I have 71 slices, so want to have 71 slice locations). Below is my attempt but could not able to figure out the way, can anyone help me?

%%
close all; clear; clc;
%% 
% List all files in the folder
Files = dir('/etc/*');
for k = 1 : length(Files)
    baseFileName = Files(k).name;
    fullFileName = fullfile(Files(k).folder, baseFileName);
    fprintf(1, 'Now reading %s\n', fullFileName);
end
%%
info = dicominfo(fullFileName);
slLoc = info.SliceLocation; % this will throw the slice location of the last Dicom image
% I want to write slLoc in a column vector such that all image slice locations are listed

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采纳的回答

Voss 2022-6-28

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1749770-how-to-loop-all-slice-locations-from-a-image-volume-as-a-single-column-vector#answer_995745

编辑：Voss 2022-6-28

在 MATLAB Online 中打开

Move the last two lines inside the loop and assign info.SliceLocation to the kth element of slLoc:

%%
close all; clear; clc;
%% 
% List all files in the folder
Files = dir('/etc/*');
% slLoc = zeros(numel(Files),1); % pre-allocate slLoc
slLoc = cell(numel(Files),1); % pre-allocate slLoc
for k = 1:numel(Files)
    
    baseFileName = Files(k).name;
    fullFileName = fullfile(Files(k).folder, baseFileName);
    fprintf(1, 'Now reading %s\n', fullFileName);
    
    info = dicominfo(fullFileName);
%     slLoc(k,1) = info.SliceLocation;
    slLoc{k,1} = info.SliceLocation;
    
end