Digit recognition using MATLAB (Support Vector Machine + HOG)

Digit Database used in this video can be downloaded from the below link:
https://github.com/SatadruMukherjee/Dataset/blob/main/Digit%20Database.zip
You can explore more about Digit Classification Using HOG Features from the below link:
https://www.mathworks.com/help/vision/examples/digit-classification-using-hog-features.html

Code:

clc;
clear all;
close all;
warning off;
imds=imageDatastore('database','IncludeSubFolders',true,'LabelSource','foldernames');
trainingFeatures=[];
trainingLabels=imds.Labels;
for i = 1:numel(imds.Files) % Read images using a for loop
img = readimage(imds,i);
trainingFeatures(i,:) = extractHOGFeatures(img,'CellSize',[8 8]);
end
Classifier =fitcecoc(trainingFeatures,trainingLabels);
save Classifier Classifier


Testing Code:
clc;
clear all;
close all;
warning off;
load Classifier;
[filename, pathname] = uigetfile('*.*', 'Pick an Image');
filename=strcat(pathname,filename);
imga=imread(filename);
img=imresize(imga,[45 24]);
[Features] = extractHOGFeatures(img,'CellSize',[8 8]);
PredictedClass=predict(Classifier,Features);
PredictedClass=char(PredictedClass);
figure;imshow(imga),title(PredictedClass);
disp(PredictedClass);

Learn Complete Machine Learning & Data Science using MATLAB:
https://www.youtube.com/playlist?list=PLjfRmoYoxpNoaZmR2OTVrh-72YzLZBlJ2

Learn Digital Signal Processing using MATLAB:
https://www.youtube.com/playlist?list=PLjfRmoYoxpNr3w6baU91ZM6QL0obULPig

Learn Complete Image Processing & Computer Vision using MATLAB:
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#DigitalImageProcessing #MATLAB #ComputerVision