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;
????%**********************************
????%-------------------------------------
????%?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????66614??2001-01-11?11:56??指紋識別\001.bmp

?????文件??????66614??2001-01-11?11:56??指紋識別\002.bmp

?????文件??????66614??2001-01-11?11:56??指紋識別\003.bmp

?????文件??????66614??2001-01-11?11:56??指紋識別\004.bmp

?????文件?????132118??2000-08-21?00:28??指紋識別\005.bmp

?????文件??????11203??2009-11-21?10:38??指紋識別\centralizing.m

?????文件???????5147??2009-11-21?10:35??指紋識別\conv2fft.m

?????文件???????1048??2009-11-21?10:38??指紋識別\Cropping.m

?????文件??????10216??2009-11-21?09:19??指紋識別\fprec.asv

?????文件??????39497??2009-11-21?20:06??指紋識別\fp_database.dat

?????文件????????640??2009-11-21?10:37??指紋識別\gabor2d_sub.m

?????文件????????426??2009-11-21?10:37??指紋識別\mirror.m

?????文件????????110??2009-11-21?10:36??指紋識別\recrop.m

?????文件???????2617??2009-11-21?10:35??指紋識別\sector_norm.m

?????文件???????9838??2009-11-21?10:09??指紋識別\shibiexitong.m

?????文件????????386??2009-11-21?10:36??指紋識別\vedicentro.m

?????文件???????1205??2009-11-21?10:36??指紋識別\whichsector.m

?????文件??????93020??2009-11-26?21:55??指紋識別\一種基于B樣條的指紋識別算法.PDF

?????文件?????322538??2009-11-26?21:55??指紋識別\基于紋理特征的指紋識別算法.PDF

?????文件?????244606??2009-11-26?21:55??指紋識別\基于紋理結構的指紋識別算法.PDF

?????文件?????230818??2009-11-23?22:47??指紋識別\指紋識別-郝雅靜.docx

?????文件?????303676??2009-11-26?21:56??指紋識別\指紋識別中的特征點提取算法.PDF

?????文件????1499981??2009-11-26?22:15??指紋識別\指紋識別算法綜合比較.pdf

?????文件?????403481??2009-11-26?21:55??指紋識別\指紋識別系統中的預處理組合算法.PDF

?????目錄??????????0??2009-12-12?18:56??指紋識別

-----------?---------??----------?-----??----

??????????????3579027????????????????????25