MATLAB: How to extract the minutia(end points) on the finger print image

fingerprintImage Processing Toolboxminutia

Best Answer

Try bwmorph

endPoints = bwmorph(~fingerprintImage, 'endpoints');

Related Solutions

MATLAB: I had an fingerprint image, i want to make the fingerprint in the image white and the background black how to do that

Using bwconvhull function, you can create fingerprint masking image. Here is an example.

% Read image
I = imread('1_1.jpg');
% Binarize
Igray = rgb2gray(I);
BW = imbinarize(Igray);
% Create mask
BWmask = bwconvhull(~BW);
% Show the result
imshowpair(I,BWmask,'montage')

MATLAB: How to find x-y coordinates of minutia(end points , short ridges) of finger print image , and store it in matrix

Assuming the maximum 'area' (not 'length') of short ridges < 50 pixel, I think the following code can detect them.

% Read the image
I = imread('finger3.bmp');
BW = imbinarize(I);
% Measure region properties
stats = regionprops(~BW,{'Area','BoundingBox','PixelList'});
stats = struct2table(stats);
% Assuming the area of short ridge < 50 pixel
idx = stats.Area < 50;
stats = stats(idx,:);
% Show the detected short ridges
imshow(I)
hold on
for kk = 1:height(stats)
  rectangle('Position',stats.BoundingBox(kk,:),'EdgeColor','b')
  plot(stats.PixelList{kk}(:,1), stats.PixelList{kk}(:,2),'r.')
end

Best Answer

Related Solutions

MATLAB: I had an fingerprint image, i want to make the fingerprint in the image white and the background black how to do that

MATLAB: How to find x-y coordinates of minutia(end points , short ridges) of finger print image , and store it in matrix

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