载波片图像分类模型解答数学建模 第5页

载波片图像分类模型解答数学建模 第5页
dc3(i,j)=(wholemydata(:,i)-jc3(:,j))'*(wholemydata(:,i)-jc3(:,j));
                end
                [a,b]=min(dc3(i,:));
                ds=dc3(i,[1:b-1,b+1:8]);
                    [c,d]=min(ds);
                    if d>=b
                    d=d+1;
                    end
                    t(i)=t3(b)*a/(a+c)+t3(d)*c/(a+c);
                    clear ds
            end

            if ou(i)==4
                t4=[0,5,30,60,90,120,180,240];
                for j=1:8;
                    dc4(i,j)=(wholemydata(:,i)-jc4(:,j))'*(wholemydata(:,i)-jc4(:,j));
                end
                [a,b]=min(dc4(i,:));
                ds=dc4(i,[1:b-1,b+1:8]);
                    [c,d]=min(ds);
                    if d>=b
                    d=d+1;
                    end
                    t(i)=t4(b)*a/(a+c)+t4(d)*c/(a+c);
                    clear ds
            end
end

%交叉检验
count1(1:4)=0;
count2(1:4)=0;
count3(1:4)=0;
count4(1:4)=0;

for i=98:-1:1
    cdata1=wholedata1(:,[1:i-1,i+1:98]);
    cdata2=wholedata2;
    cdata3=wholedata3;
    cdata4=wholedata4;
    ddata=wholedata1(:,i);
    checkout1(i,:)=L_long(cdata1,cdata2,cdata3,cdata4,ddata);
    if checkout1(i,:)==1
        count1(1)=count1(1)+1;
    elseif checkout1(i,:)==2
        count1(2)=count1(2)+1;
    elseif checkout1(i,:)==3
        count1(3)=count1(3)+1;
    else
        count1(4)=count1(4)+1;
    end
end

for i=66:-1:1
    cdata1=wholedata1;
    cdata2=wholedata2(:,[1:i-1,i+1:66]);
    cdata3=wholedata3;
    cdata4=wholedata4;
      ddata=wholedata2(:,i);
    checkout2(i,:)=L_long(cdata1,cdata2,cdata3,cdata4,ddata);
   if checkout2(i,:)==1
        count2(1)=count1(1)+1;
    elseif checkout2(i,:)==2
        count2(2)=count1(2)+1;
    elseif checkout2(i,:)==3
        count2(3)=count1(3)+1;
    else
        count2(4)=count1(4)+1;
    end
end

for i=88:-1:1
    cdata1=wholedata1;
    cdata2=wholedata2;
    cdata3=wholedata3(:,[1:i-1,i+1:88]);
    cdata4=wholedata4;
      ddata=wholedata3(:,i);
    checkout3(i,:)=L_long(cdata1,cdata2,cdata3,cdata4,ddata);
     if checkout3(i,:)==1
        count3(1)=count1(1)+1;
    elseif checkout3(i,:)==2
        count3(2)=count1(2)+1;
    elseif checkout3(i,:)==3
        count3(3)=count1(3)+1;
    else
        count3(4)=count1(4)+1;
    end
end
for i=88:-1:1
    cdata1=wholedata1;
    cdata2=wholedata2;
    cdata3=wholedata3;
    cdata4=wholedata4(:,[1:i-1,i+1:88]);
      ddata=wholedata4(:,i);
    checkout4(i,:)=L_long(cdata1,cdata2,cdata3,cdata4,ddata);
     if checkout4(i,:)==1
        count4(1)=count4(1)+1;
    elseif checkout4(i,:)==2
        count4(2)=count4(2)+1;
    elseif checkout4(i,:)==3
        count4(3)=count4(3)+1;
    else
        count4(4)=count4(4)+1;
    end
end

[count1;count2;count3;count4]

 

function ff=L_long(wholedata1,wholedata2,wholedata3,wholedata4,wholemydata)  %用兰氏距离判断类别

u1=mean(wholedata1')';
u2=mean(wholedata2')';
u3=mean(wholedata3')';
u4=mean(wholedata4')';
long1=0;
long2=0;
long3=0;
long4=0;
for i=1:1
    long1(i)=sum(abs(wholemydata(:,i)-u1)./(wholemydata(:,i)+u1))
    long2(i)=sum(abs(wholemydata(:,i)-u2)./(wholemydata(:,i)+u2));  
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     [type(i),ff(i)]=min([long1(i),long2(i),long3(i),long4(i)]);
end

function kk=ou_long(wholedata1,wholedata2,wholedata3,wholedata4,wholemydata)  %用欧氏距离判断类别
long1=0;
long2=0;
long3=0;
long4=0;
u1=mean(wholedata1')';
u2=mean(wholedata2')';
u3=mean(wholedata3')';
u4=mean(wholedata4')';
for i=1:1
    long1(i)=(wholemydata(:,i)-u1)'*(wholemydata(:,i)-u1);
    long2(i)=(wholemydata(:,i)-u2)'*(wholemydata(:,i)-u2);
    long3(i)=(wholemydata(:,i)-u3)'*(wholemydata(:,i)-u3);
    long4(i)=(wholemydata(:,i)-u4)'*(wholemydata(:,i)-u4);
end
for i=1:1   
    [type(i),kk(i)]=min([long1(i),long2(i),long3(i),long4(i)]);   
end

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