资源简介
指纹识别的matlab代码
代码片段和文件信息
function [OutputprintXofCenterYofCenter] = centralizing(fingerprintctrl)
% modified by Luigi Rosa
global immagine n_bands h_bands n_arcs h_radius h_lato n_sectors matrice
x=[-16:1:16];
y=[-16:1:16];
dimx=size(x2);
dimy=size(y2);
% varianza gaussiana ordine filtro complesso
varianza=sqrt(55);
ordine=1;
gamma=2;
filtro_core=zeros(dimxdimy);
filtro_delta=zeros(dimxdimy);
for ii=1:dimx
for jj=1:dimy
esponente=exp(-(x(ii)^2+y(jj)^2)/(2*varianza^2));
% filtro core
fattore=x(ii)+i*y(jj);
filtro_core(iijj)=esponente*fattore^ordine;
% filtro delta
fattore=x(ii)-i*y(jj);
filtro_delta(iijj)=esponente*fattore^ordine;
end
end
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
%------------------------------------
% The low-pass filter ---------------
%------------------------------------
% Gaussian Low Pass Filter ----------
%------------------------------------
x=[-16:1:16];
y=[-16:1:16];
dimx=size(x2);
dimy=size(y2);
varianza=sqrt(1.2);
filtro=zeros(dimxdimy);
for ii=1:dimx
for jj=1:dimy
esponente=exp(-(x(ii)^2+y(jj)^2)/(2*varianza^2));
filtro(iijj)=esponente;
end
end
% normalization
filtro=filtro/sum(sum(filtro));
%------------------------------------
%------------------------------------
img=fingerprint;
img=double(img);
%--------------------------------------------------------------------------
% complex field at 0 level
[gxgy]=gradient(img);
num=(gx+i*gy).^2;
den=abs((gx+i*gy).^2);
pos=find(den);
num(pos)=num(pos)./den(pos);
z=zeros(size(img1)size(img2));
z(pos)=num(pos);
pos=find(den==0);
z(pos)=1;
%**********************************
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
%------------------------ NOT USED ----------------------------------------
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
%--------------------------------------------------------------------------
if 1==0%------------------------------- ----------------------> vecchio algoritmo che risale piramide gaussiana
%-------------------------------------
% complex field at level 1
z1=conv2fft(zfiltro‘same‘);
z1=dyaddown(z11‘m‘);
num=z1;
den=abs(z1);
pos=find(den);
num(pos)=num(pos)./den(pos);
z1=zeros(size(z11)size(z12));
z1(pos)=num(pos);
pos=find(den==0);
z1(pos)=1;
%**********************************
%-------------------------------------
% complex field at lev
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2016-01-09 16:40 指纹识别的matlab源码\
文件 66614 2001-01-11 11:56 指纹识别的matlab源码\19_7.bmp
文件 132118 2000-08-21 00:28 指纹识别的matlab源码\22443.bmp
文件 66614 2001-01-11 11:56 指纹识别的matlab源码\37_3.bmp
文件 66614 2001-01-11 11:56 指纹识别的matlab源码\37_5_2.bmp
文件 66614 2001-01-11 11:56 指纹识别的matlab源码\37_7.bmp
文件 1947 2004-05-22 16:10 指纹识别的matlab源码\Cropping.m
文件 11549 2004-06-23 01:04 指纹识别的matlab源码\centralizing.m
文件 6943 2004-06-19 20:10 指纹识别的matlab源码\conv2fft.m
文件 20312 2004-06-28 01:11 指纹识别的matlab源码\fprec.m
文件 642 2004-04-26 18:18 指纹识别的matlab源码\gabor2d_sub.m
文件 424 2004-06-19 20:09 指纹识别的matlab源码\mirror.m
文件 298672 2004-06-29 16:35 指纹识别的matlab源码\old_version.zip
文件 9849 2004-06-29 16:38 指纹识别的matlab源码\readme.txt
文件 122 2004-06-19 20:10 指纹识别的matlab源码\recrop.m
文件 2773 2004-04-26 18:18 指纹识别的matlab源码\sector_norm.m
文件 499 2004-06-19 20:04 指纹识别的matlab源码\vedicentro.m
文件 1203 2004-04-26 18:18 指纹识别的matlab源码\whichsector.m
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