Random 1 image from folder and imread it

Question

Brajan Nosal 2019-9-25

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/482144-random-1-image-from-folder-and-imread-it

编辑： KALYAN ACHARJYA 2019-9-25

Hello, i have a problem with random 1 image from folder and imread it. In my current folder i have folder name "Test3" with 40 image, i would like random one and put in "image". I tried with this:

"MyImages = dir(fullfile('Test3','*.jpg'));

% generate a random number between 1 and the number of images

RandomNumber = randi([1 size(MyImages,1)]);

% get the corresponding name of the image

MyRandomImage = MyImages(RandomNumber).name;

% display the image

image=(imread(MyRandomImage));"

I got error:

"Error using imread>get_full_filename (line 568)

File "dog.4774.jpg" does not exist.

Error in imread (line 377)

fullname = get_full_filename(filename);

Error in zaajecia1>pushbutton16_Callback (line 587)

image=(imread(MyRandomImage));

"

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Answer 1

KALYAN ACHARJYA 2019-9-25

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/482144-random-1-image-from-folder-and-imread-it#answer_393521

编辑：KALYAN ACHARJYA 2019-9-25

在 MATLAB Online 中打开

Try?

%Save the folder of images in the current directory
path_directory='Test3'; % 'Folder name'
original_files=dir([path_directory '/*.jpg']); 
filename=[path_directory '/' original_files(random(length(original_files))).name];
image_data=imread(filename);