直奔主題，需要保存處理圖像的文件名(string)數組。本文只用作自己的實驗記錄，侵刪。

搬運自matlab官網的代碼：https://www.mathworks.com/matlabcentral/fileexchange/7601-cell2csv?s_tid=mwa_osa_a

以下為MATLAB cell array to csv的函數實現：

function cell2csv(filename,cellArray,delimiter)

% Writes cell array content into a *.csv file.

%

% CELL2CSV(filename,cellArray,delimiter)

%

% filename = Name of the file to save. [ i.e. 'text.csv' ]

% cellarray = Name of the Cell Array where the data is in

% delimiter = seperating sign, normally:',' (it's default)

%

% by Sylvain Fiedler, KA, 2004

% modified by Rob Kohr, Rutgers, 2005 - changed to english and fixed delimiter

if nargin<3

delimiter = ',';

end

datei = fopen(filename,'w');

for z=1:size(cellArray,1)

for s=1:size(cellArray,2)

var = eval(['cellArray{z,s}']);

if size(var,1) == 0

var = '';

end

if isnumeric(var) == 1

var = num2str(var);

end

fprintf(datei,var);

if s ~= size(cellArray,2)

fprintf(datei,[delimiter]);

end

end

fprintf(datei,'\n');

end

fclose(datei);

我的調用代碼實例：

clc;

clear all;

path = 'E:\DZY\CASIA\train\2\';

fileFolder = fullfile(path);

dirOutput = dir(fullfile(fileFolder,'*.jpg'));

fileNames = {dirOutput.name};

list = string(fileNames);

n = length(fileNames);

Train_images = [];

% 創建字符串數組

Train_names = strings;

for i = 1:n

% 拼接圖片的路徑

pic_path = strcat(path, list(i));

pic_path = char(pic_path);

% fk1是自己寫的特征提取代碼，返回一個1*256的特征向量

lpq_gray = fk1(pic_path);

% 組成樣本集

Train_images(i,:) = lpq_gray;

Train_names(i,:) = list(i);

disp('processing :' + string(pic_path));

end

% 存儲文件名

save_path_data = 'E:\DZY\CASIA\ycbcr\Test0.csv';

save_path_name = 'E:\DZY\CASIA\ycbcr\Test0_name.csv';

csvwrite(save_path_data,Train_images);

%將文件名數組保存

cell2csv(save_path_name, Train_names, ',');

總結

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