• 大小: 2.87MB
    文件类型: .rar
    金币: 1
    下载: 0 次
    发布日期: 2023-09-29
  • 语言: Matlab
  • 标签: 指纹  识别  matlab  

资源简介

完整的指纹识别系统,包括matlab源代码,使用说明,待识别的指纹样本等。

资源截图

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
 
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  level 2
    z2=conv2fft(z1filtro‘same‘);
    z2=dyaddown(z21‘m‘);
    num=z2;
    den=abs(z2);
    pos=find(den);
    num(pos)=num(pos)./den(pos);
    z2=zeros(size(z21)size(z22));
    z2(pos)=num(pos);
    pos=find(den==0);
    z2(pos)=1;
    %**********************************
    %-------------------------------------
    % 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      66614  2001-01-11 11:56  指纹识别\001.bmp

     文件      66614  2001-01-11 11:56  指纹识别\002.bmp

     文件      66614  2001-01-11 11:56  指纹识别\003.bmp

     文件      66614  2001-01-11 11:56  指纹识别\004.bmp

     文件     132118  2000-08-21 00:28  指纹识别\005.bmp

     文件      11203  2009-11-21 10:38  指纹识别\centralizing.m

     文件       5147  2009-11-21 10:35  指纹识别\conv2fft.m

     文件       1048  2009-11-21 10:38  指纹识别\Cropping.m

     文件      10216  2009-11-21 09:19  指纹识别\fprec.asv

     文件      39497  2009-11-21 20:06  指纹识别\fp_database.dat

     文件        640  2009-11-21 10:37  指纹识别\gabor2d_sub.m

     文件        426  2009-11-21 10:37  指纹识别\mirror.m

     文件        110  2009-11-21 10:36  指纹识别\recrop.m

     文件       2617  2009-11-21 10:35  指纹识别\sector_norm.m

     文件       9838  2009-11-21 10:09  指纹识别\shibiexitong.m

     文件        386  2009-11-21 10:36  指纹识别\vedicentro.m

     文件       1205  2009-11-21 10:36  指纹识别\whichsector.m

     文件      93020  2009-11-26 21:55  指纹识别\一种基于B样条的指纹识别算法.PDF

     文件     322538  2009-11-26 21:55  指纹识别\基于纹理特征的指纹识别算法.PDF

     文件     244606  2009-11-26 21:55  指纹识别\基于纹理结构的指纹识别算法.PDF

     文件     230818  2009-11-23 22:47  指纹识别\指纹识别-郝雅静.docx

     文件     303676  2009-11-26 21:56  指纹识别\指纹识别中的特征点提取算法.PDF

     文件    1499981  2009-11-26 22:15  指纹识别\指纹识别算法综合比较.pdf

     文件     403481  2009-11-26 21:55  指纹识别\指纹识别系统中的预处理组合算法.PDF

     目录          0  2009-12-12 18:56  指纹识别

----------- ---------  ---------- -----  ----

              3579027                    25


评论

共有 条评论