%fingerprint image segmentation
%GUI
%advanced fingerprint and face biometrics recognition codes
%more code, please visit http://biometrics.lingd.net/
%modifide by yang jucheng, chonbuk national univeristy, korea

clear;
%clc;
close all;

chos=0;
possibility=3;

messaggio='Insert the number of set: each set determins a class. This set should include a number of images for each person, with some variations in expression and in the lighting.';

while chos~=possibility,
    chos=menu('fingerprint segmentation','Select image','segmented image','Exit');
    %--------------------------------------------------------------------------
    %--------------------------------------------------------------------------
    %--------------------------------------------------------------------------
    if chos==1
        clc;
        close all;
        selezionato=0;
        while selezionato==0
            [namefile,pathname]=uigetfile({'*.bmp;*.tif;*.tiff;*.jpg;*.jpeg;*.gif','IMAGE Files (*.bmp,*.tif,*.tiff,*.jpg,*.jpeg,*.gif)'},'Chose GrayScale Image');
            if namefile~=0
                [img,map]=imread(strcat(pathname,namefile));
                selezionato=1;
            else
                disp('Select a grayscale image');
            end
            if (any(namefile~=0) && (~isgray(img)))
                disp('Select a grayscale image');
                selezionato=0;
            end
        end
        figure('Name','Selected image');
        imshow(img);
        
        %immagine=double(img);
        
        if isa(img,'uint8')
            graylevmax=2^8-1;
        end
        if isa(img,'uint16')
            graylevmax=2^16-1;
        end
        if isa(img,'uint32')
            graylevmax=2^32-1;
        end              
        
    end%
   
    if chos==2
        clc;
        close all;   
        
        % segmentation msk
        msk  = segment_print(img,0);
        %if msk==0, image part is 128
        img(msk==0) = 128;
        
        figure('Name','segmented image');
        imshow(img);       
        
    end %   
  
end % fine while