MATLAB: How to create database of 320 images in matlab? for signature verification system how to extract surf features and how to store them

is this right code for feature extractionMATLAB

MathWorks
I = imread('C:\Users\LENOVO\Desktop\MATLAB\Database2\Preprocessed\forged\1\1.1.png');
 
 %Find and extract features.
 points = detectSURFFeatures(I);
 [~, valid_points] = extractFeatures(I, points);
  
  %Display and plot ten strongest SURF features.
  figure; imshow(I); hold on;
  plot(valid_points.selectStrongest(100),'showOrientation',true);

Best Answer

files = dir('*.png')
N = lenght(Files) ;
for i = 1:N
    I = imread(files(i).name)
    %Find and extract features.
    %  points = detectSURFFeatures(I);
    %  [~, valid_points] = extractFeatures(I, points);
    %Display and plot ten strongest SURF features.
    %   figure; imshow(I); hold on;
    %   plot(valid_points.selectStrongest(100),'showOrientation',true);
   
end
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