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    文件類型: .rar
    金幣: 1
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    發布日期: 2023-07-29
  • 語言: Matlab
  • 標簽: CLBP??人臉識別??

資源簡介

matlab程序,包含了基本LBP,旋轉不變LBP,均勻LBP ,旋轉不變均勻LBP,CLBP等的LBP算子提取和分類,基于AR的人臉庫,還有附加的一個說明文檔以及自己測試的一些結果分析。

資源截圖

代碼片段和文件信息

function?[CLBP_SCLBP_MCLBP_C]?=?clbp(varargin)?
error(nargchk(15nargin));

image=varargin{1};
d_image=double(image);

if?nargin==1
????spoints=[-1?-1;?-1?0;?-1?1;?0?-1;?-0?1;?1?-1;?1?0;?1?1];
????neighbors=8;
????mapping=0;
????mode=‘h‘;
end

if?(nargin?==?2)?&&?(length(varargin{2})?==?1)
????error(‘Input?arguments‘);
end

if?(nargin?>?2)?&&?(length(varargin{2})?==?1)
????radius=varargin{2};
????neighbors=varargin{3};
????
????spoints=zeros(neighbors2);

????%?Angle?step.
????a?=?2*pi/neighbors;
????
????for?i?=?1:neighbors
????????spoints(i1)?=?-radius*sin((i-1)*a);
????????spoints(i2)?=?radius*cos((i-1)*a);
????end
????
????if(nargin?>=?4)
????????mapping=varargin{4};
????????if(isstruct(mapping)?&&?mapping.samples?~=?neighbors)
????????????error(‘Incompatible?mapping‘);
????????end
????else
????????mapping=0;
????end
????
????if(nargin?>=?5)
????????mode=varargin{5};
????else
????????mode=‘h‘;
????end
end

if?(nargin?>?1)?&&?(length(varargin{2})?>?1)
????spoints=varargin{2};
????neighbors=size(spoints1);
????
????if(nargin?>=?3)
????????mapping=varargin{3};
????????if(isstruct(mapping)?&&?mapping.samples?~=?neighbors)
????????????error(‘Incompatible?mapping‘);
????????end
????else
????????mapping=0;
????end
????
????if(nargin?>=?4)
????????mode=varargin{4};
????else
????????mode=‘h‘;
????end???
end

[ysize?xsize]?=?size(image);



miny=min(spoints(:1));
maxy=max(spoints(:1));
minx=min(spoints(:2));
maxx=max(spoints(:2));

bsizey=ceil(max(maxy0))-floor(min(miny0))+1;
bsizex=ceil(max(maxx0))-floor(min(minx0))+1;


origy=1-floor(min(miny0));
origx=1-floor(min(minx0));


if(xsize???error(‘Too?small?input?image.?Should?be?at?least?(2*radius+1)?x?(2*radius+1)‘);
end

;
dx?=?xsize?-?bsizex;
dy?=?ysize?-?bsizey;


C?=?image(origy:origy+dyorigx:origx+dx);
d_C?=?double(C);

bins?=?2^neighbors;


CLBP_S=zeros(dy+1dx+1);
CLBP_M=zeros(dy+1dx+1);
CLBP_C=zeros(dy+1dx+1);



for?i?=?1:neighbors
??y?=?spoints(i1)+origy;
??x?=?spoints(i2)+origx;
?
??fy?=?floor(y);?cy?=?ceil(y);?ry?=?round(y);
??fx?=?floor(x);?cx?=?ceil(x);?rx?=?round(x);

??if?(abs(x?-?rx)?????N?=?image(ry:ry+dyrx:rx+dx);
????D{i}?=?N?>=?C;???
????Diff{i}?=?abs(N-C);
????MeanDiff(i)?=?mean(mean(Diff{i}));
??else
????ty?=?y?-?fy;
????tx?=?x?-?fx;

????w1?=?(1?-?tx)?*?(1?-?ty);
????w2?=??????tx??*?(1?-?ty);
????w3?=?(1?-?tx)?*??????ty?;
????w4?=??????tx??*??????ty?;
????N?=?w1*d_image(fy:fy+dyfx:fx+dx)?+?w2*d_image(fy:fy+dycx:cx+dx)?+?...
????????w3*d_image(cy:cy+dyfx:fx+dx)?+?w4*d_image(cy:cy+dycx:cx+dx);
????D{i}?=?N?>=?d_C;?
????Diff{i}?=?abs(N-d_C);
????MeanDiff(i)?=?mean(mean(Diff{i}));
??end??
end
DiffThreshold?=?mean(MeanDiff);
for?i=1:neighbors
??v?=?2^(i-1);
??CLBP_S?=?CLBP_S?+?v*D{i};
??CLBP_M?=?CLBP_M?+?v*(Diff{i}>=DiffThreshold);
end
CLBP_C?=?d_C>=mean(d_image(:

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

?????文件????6075359??2011-10-01?15:40??程序\ar_1.mat

?????文件????6075322??2013-04-09?22:10??程序\ar_2.mat

?????文件????????519??2011-10-01?15:40??程序\AR_label.mat

?????文件???????3578??2013-04-13?12:04??程序\clbp.m

?????文件???????3311??2013-04-13?09:13??程序\clbp_m.m

?????文件???????3311??2013-04-13?10:33??程序\clbp_s.m

?????文件???????3684??2013-04-13?09:13??程序\clbp_s_m.m

?????文件????????539??2013-04-12?09:53??程序\gaosi.m

?????文件???????1754??2013-04-13?12:01??程序\getmapping.m

?????文件???????3215??2013-04-13?12:02??程序\lbp.m

?????文件???????3014??2013-04-13?12:46??程序\lbp_1.m

?????文件????????382??2013-04-12?10:27??程序\reshape_1.m

?????文件????????304??2013-04-12?13:49??程序\reshape_2.m

?????文件??????12822??2013-04-13?12:52??result.docx

?????目錄??????????0??2013-04-13?12:54??程序

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

?????????????12187114????????????????????15


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