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mhwang

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okokhyy

Í­³æ (³õÈëÎÄ̳)

OpenCV
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Originally posted by mhwang at 2010-11-28 21:21:27:
´ó¼ÒºÃ£¬ÎÒÏÖÔÚÔÚ×öÈËÁ³Ê¶±ð£¬µ«ÊÇÓÉÓÚÏÖÔÚÐèÒª×öһЩ¹ØÓÚÈËÁ³¼ì²âµÄ²¿·Ö£¬ËùÒÔÏëÏòȺÀïµÄȺÓÑÇë½ÌһЩ¹ØÓÚÈËÁ³¼ì²âµÄ´úÂ룬лл´ó¼Ò·ÖÏí¡£

2Â¥2010-11-29 08:21:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mhwang

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ÇëÎÊË­ÓлùÓÚÉñ¾­ÍøÂçÒÔ¼°boost ºÍadboostµÄÈËÁ³¼ì²âmatlab´úÂëѽ£¬²»Ê¤¸Ð¼¤
3Â¥2010-12-01 17:24:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

just1do1it

½û³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
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4Â¥2010-12-17 13:26:20
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image_pro

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
OpenCVÓÐÒ»¸öºÜ¾­µäµÄ ÈËÁ³¼ì²âµÄ´úÂ룬ԭÀí¾ÍÊÇAdaboost·ÖÀàÆ÷µÄ¡£ºÜÈÝÒ×ÕÒµ½µÄ¡£
5Â¥2010-12-21 16:01:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wanghuaway

гæ (³õÈëÎÄ̳)

Ôõô»ñµÃÁ÷Á¿ºÍ½ð±Ò°¡
ÆÆËéÐé¿Õ
6Â¥2010-12-22 13:54:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mpbchina

½û³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
±¾ÌûÄÚÈݱ»ÆÁ±Î

7Â¥2010-12-22 19:04:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

miaow2013

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÓÐûÓÐmatlab°æ±¾µÄAdaboost face detection£¿¶àлÀ²£¡
8Â¥2013-04-12 12:04:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ó²Óï³îÒ÷

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
»ùÓÚpcaÈËÁ³Ê¶±ð
%ѵÁ·²¿·Ö »ñÈ¡ÌØÕ÷Á³
[m,n]=size(imread('F:/matlab/PCA_face_recognition/11/1.bmp'));     %»ñȡѵÁ·Í¼Æ¬µÄ³ß´ç
allsamples=[];
for i=1:10
str1='F:/matlab/PCA_face_recognition/11/';
str2=num2str(i);
str3='.bmp';
a=imread(strcat(str1,str2,str3));  %¶ÁÈëѵÁ·Í¼Æ¬
P1=a(1:m*n);
P2=double(P1);
allsamples=[allsamples;P2];   % allsamplesÖÐÿһÐдú±íÒ»ÕÅͼƬ
end
samplemean=mean(allsamples); %ƽ¾ùͼƬ
for i=1:10
xmean(i,=allsamples(i,-samplemean;
end
sigma=xmean*xmean';
[V,D]=eig(sigma);
D1=diag(D);
DR=flipud(D1); %ÌØÕ÷ÖµÅÅÐò
VR=fliplr(V);
dsum=0;
for j=1:11;       %ѡȡһ¶¨ÊýÁ¿µÄÌØÕ÷Öµ
    dsum=dsum+DR(j);
    if(dsum/sum(DR)>0.95)
        break;
    end
end

base=xmean'*VR(:,1:j)*diag(DR(1:j).^(-1/2));

for j=1:6
   str1='F:/matlab/PCA_face_recognition/test/'
   str2=num2str(j);
   str3='.bmp';
   tst=imread(strcat(str1,str2,str3));
   P2=tst(1:m*n);
   b=double(P2);
   % b=double(reshape(tst,1,m*n));
test11=b-samplemean;      %¼ÆËã²âÊÔͼƬÏà¶ÔÓÚÆ½¾ùÖµµÄÆ«²î  
c=test11*base;
IMG=base*c';       %¼ÆËãÓÉÌØÕ÷ÏòÁ¿Öع¹µÄÆ«²îÖµ
IMG=IMG';
faa1=(test11-IMG)*(test11-IMG)';
   if (faa1<=7300000) %É趨ãÐÖµ
   tst(1:10,1:100)=0;    %ÓúÚÉ«¾ØÐα߿ò±ê¼ÇÈËÁ³ÇøÓò
   tst(91:100,1:100)=0;
   tst(1:100,1:10)=0;
   tst(1:100,91:100)=0;
   end
   
      subplot(2,3,j);
      imshow(tst);    %ÏÔʾ½á¹û
  y=mat2gray(test11);

end
9Â¥2013-04-14 17:16:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

v.cc

ľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
%%%%  ·ôÉ«µÄÈËÁ³¼ì²âÑо¿
% clc,close all;

f=imread('face.jpg');
Ori_Face=f;
copy=f;
img=f;
% figure,imshow(f);
f=rgb2ycbcr(f);%rgbת»»Îªycbcr
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% figure,imshow(f);
f_cb=f(:,:,2);
f_cr=f(:,:,3);
f= (f_cb>=100) & (f_cb<=127) & (f_cr>=138) &(f_cr<=170) ;
%Ƥ·ôÑÕÉ«ÔÚycbcrÉ«¶È¿Õ¼äµÄ·Ö²¼·¶Î§Îª:100<=cb<=127,138<=cr<=170
figure(1); imshow(f);
%K=medfilt2(f,[5 5]);%5¡Á5ÖÐÖµÂ˲¨£¬È¥³ýÔëÉù
%figure,imshow(f);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%ÀûÓÿª±ÕÔËËãµÄ·½·¨Ïû³ýÔëÉù
se=strel('square',3);
f=imopen(f,se);
f=imclose(f,se);
figure(2),imshow(f);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Ìî¿×´¦Àí
f=imfill(f,'holes');
figure(3),imshow(f);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%ÖØ¹¹·¨
fe=imerode(f,ones(8,7));
fo=imopen(f,ones(8,7));
f=imreconstruct(fe,f);
figure(4),imshow(f);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Ïà¹ØÆ¥Åä,×÷Óò»´ó,¿É×¢Ê͵ô
%w=ones(3);%wΪģ°å´óС.
%f=imfilter(f,w);
%figure(5),imshow(f);
% [M,N]=size(f);
% f=fft2(f);
% w=conj(fft2(w,M,N));
% g=real(ifft2(w.*f));
% gs=gscale(g);
% figure,imshow(gs);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%ÈËÁ³ºòÑ¡ÇøÉ¸Ñ¡Ê±,ÓÉÓÚÍ·²¿²¿·ÖÖØºÏ,ÒÔ¼°Í·²¿ÓëÆäËû
%²¿·Ö,ÀýÈçÒ·þµÈµÄÁ¬½Ó,¶ÔɸѡÔì³ÉÁËÀ§ÄÑ,¹ÊÓ¦ÏÈÀûÓÃ
%±ÕÔËËã²Ù×÷,¶Ï¿ªÁ¬½Ó,ÔÙ½øÐд¦Àí.
se1=strel('square',8);
f=imerode(f,se1);
f=imdilate(f,se1);
figure(6),imshow(f);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%ÇøÓòÁ¬Í¨
[L,num]=bwlabeln(f,4);
for i=1:num;
[r,c]=find(L==i);
r_temp=max(r)-min(r);
c_temp=max(c)-min(c);
temp=size(r);
sum=sum+temp(1);
area_sq=r_temp*c_temp;
area=size(find(L==i),1);
ratio=area/area_sq;
if (r_temp/c_temp<0.8)|(r_temp/c_temp>2)|temp(1)>2000|temp(1)<200|ratio<0.6
%Á³²¿ÇøÓò<250µÄÈ¥µô,Ò»°ãΪÊÖ»òÆäËû¸ÉÈÅ.
%ÀûÓÃÁ³²¿¿í³¤±ÈµÄ´ó¸ÅÉÏÏÂÏÞÀ´È·¶¨Ò»¸öÄ£°å·¶Î§.
%¾ØÐÎÃæ»ýarea_sq=Ä¿±êÇø³¤¶È*¿í¶È,Ä¿±êÇøÃæ»ýΪarea,Èôarea/area_sq<0.6,ÈÏΪ²»ÊÇÈËÁ³Çø,ɾ³ýÖ®.
for j=1:temp(1);
L(r(j),c(j))=0;
end
else
continue;
end
end
L=bwperim(L,8);%±ßÔµ¼ì²â,¼ì²â³öÈËÁ³µÄ±ßÔµÇøÓò
L=uint8(L);
z=find(L(>0);
L(z)=255;
% ave=sum/num;%ave=696.
figure(7),imshow(L);
L_r=L;
L_g=L;
L_b=L;
L_rgb=cat(3,L_r,L_g,L_b);%ÔÚԭͼÉϼӿò
% figure,imshow(L_rgb);
img1_r=min(L_r+img(:,:,1),255);
img1_g=min(L_g+img(:,:,2),255);
img1_b=min(L_b+img(:,:,3),255);
img1=cat(3,img1_r,img1_g,img1_b);
figure(8),imshow(img1);
10Â¥2016-04-15 12:31:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ mhwang µÄÖ÷Ìâ¸üÐÂ
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