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資源簡介

Fisher線性判別(Fisher Linear Discrimination,FLD),也稱線性判別式分析(Linear Discriminant Analysis, LDA)。FLD是基于樣本類別進行整體特征提取的有效方法。它在使用PCA方法進行降維的基礎上考慮到訓練樣本的類間信息。FLD方法在進行圖像整體特征提取方面有著廣泛的應用。壓縮包中有完整的代碼與結果圖

資源截圖

代碼片段和文件信息

%%%%%%%%%%%%%%%%%%%%%%%%%%?Draw?Graph?%%%%%%%%%%%%%%%%%%%%%%%%%%
function?DrawGraph(TrainingTestSetE)
b=[Training.y1Training.y2Training.y3Training.y4];
%?畫測試集的圖
for?k=1:4???%要畫4張圖
Draw.C1=[1:TestSet.n1-E(k1);1:TestSet.n1-E(k1)];????%?第一類中正確樣本集合
Draw.E1=[1:E(k1);1:E(k1)];??????????????????????????%?第一類中錯誤樣本集合
Draw.C2=[1:TestSet.n2-E(k2);1:TestSet.n2-E(k2)];
Draw.E2=[1:E(k2);1:E(k2)];
c1=0;
e1=0;
c2=0;
e2=0;
for?i=1:TestSet.n
????y=Training.W*TestSet.X(i:)‘-b(k);
????if?TestSet.CN(i)==1
????????if?TestSet.CN(i)*y<0
????????????e1=e1+1;
????????????Draw.E1(1e1)=TestSet.X(i1);
????????????Draw.E1(2e1)=TestSet.X(i2);????????????????????
????????else
????????????c1=c1+1;
????????????Draw.C1(1c1)=TestSet.X(i1);
????????????Draw.C1(2c1)=TestSet.X(i2);????????
????????end
????else
????????if?TestSet.CN(i)*y<0
????????????e2=e2+1;
????????????Draw.E2(1e2)=TestSet.X(i1);
????????????Draw.E2(2e2)=TestSet.X(i2);????????????????????
????????else
????????????c2=c2+1;
????????????Draw.C2(1c2)=TestSet.X(i1);
????????????Draw.C2(2c2)=TestSet.X(i2);????????
????????end
????end
end
X1=[145:185];
X2=(b(k)-X1*Training.W(1))/Training.W(2);
subplot(22k);
plot(Draw.C1(1:)Draw.C1(2:)‘x‘Draw.E1(1:)Draw.E1(2:)‘rx‘...???%?畫正類樣本
?????Draw.C2(1:)Draw.C2(2:)‘o‘Draw.E2(1:)Draw.E2(2:)‘ro‘...
?????X1X2);
title([‘y‘?int2str(k)]);
end
%%%%%%%%%%%%%%%%%%%%%%%%?Draw?Graph?End?%%%%%%%%%%%%%%%%%%%%%%%%

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

?????文件???????1517??2007-05-09?09:40??fisher\fish\DrawGraph.m

?????文件????????826??2007-05-09?09:28??fisher\fish\Fisher.m

?????文件?????236278??2007-05-09?12:14??fisher\fish\fisher判別.bmp

?????文件??????12973??2007-05-09?11:40??fisher\fish\fisher判別.fig

?????文件?????236278??2007-05-09?12:14??fisher\fish\fisher判別孤點.bmp

?????文件??????12999??2007-05-09?11:39??fisher\fish\fisher判別孤點.fig

?????文件????????653??2018-11-07?20:02??fisher\fish\ReadStudent.m

?????文件????????764??2007-05-09?09:13??fisher\fish\Test_Set.m

?????文件???????2541??2007-05-09?09:36??fisher\fish\Train_Set.m

?????文件???????1218??2007-05-09?12:21??fisher\fish\實驗結果.txt

????..A.SHR???????264??2006-04-03?09:32??fisher\fish\男女學生數據\Desktop.ini

????..A.SHR?????????2??2006-11-02?14:51??fisher\fish\男女學生數據\Folder.htt

?????文件???????2459??2007-05-09?08:34??fisher\fish\男女學生數據\StudentsData1.txt

?????文件???????2503??2007-05-09?08:36??fisher\fish\男女學生數據\StudentsData2.txt

?????目錄??????????0??2018-11-07?19:47??fisher\fish\男女學生數據

?????目錄??????????0??2018-12-06?16:26??fisher\fish

?????目錄??????????0??2018-12-08?06:35??fisher

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

???????????????511275????????????????????17


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