srcFiles = dir('C:\Users\LENOVO\Desktop\Genuine\1\*.png');
Features = cell(length(srcFiles),1) ;
Valid_points =cell(length(srcFiles),1) ;
for i = 1 : length(srcFiles)
filename = strcat('C:\Users\LENOVO\Desktop\Genuine\1\',srcFiles(i).name);
I1 = rgb2gray(imread(filename));
points1 = detectSURFFeatures(I1);
[features1, valid_points1] = extractFeatures(I1, points1);
Features{i} = features1 ;
Valid_points{i} = valid_points1 ;
figure; imshow(I1);hold on;
plot(valid_points1{i}.selectStrongest(10),'showOrientation',true);
end
Features;
Valid_points;