how to create traning,testing table in yolov3 for multiple class?

I have the following dataset downloaded from net has an extension of mat file,i am beginner in matalb i dont how to use this data set in yolo object detection?

Answer 1

[yanqi liu]

yes，sir，may be upload your mat file and images，or check the follow demo

clc; clear all; close all;
load yolov2ResNet50StopSign.mat
I = imread(fullfile(pwd, 'test_data', 'test2.jpg'));
if size(I, 1)/224 < 1
    I = imresize(I, size(I, 1)/224+0.5, 'bilinear');
end
[bboxes,scores] = detect(detector,I,'Threshold',0.5);
I = insertObjectAnnotation(I,'rectangle',bboxes,scores,'LineWidth',7);
figure; imshow(I); title('demo');

[tara saber]

</matlabcentral/answers/uploaded_files/872455/20220124_235420.jpg> Thanks for your fast reponse dear sir , but still i dont get my answer in my previous mat file the first column is image path while other columns contains bounding box label however matlab yolov3 shower traning data as bounding box label as cell array as i uploded so is there is any way to change the previous uploded file to recent uploded one or there is a way to create a traning data for it ???

[yanqi liu]

yes，may be make self train data，so we should do some label task，use

https://www.mathworks.com/help/releases/R2019a/vision/ref/imagelabeler-app.html

to get imageLabeler and then process own data