【SVM分类】基于自适应蚁狮算法优化SVM分类器实现胃肠道病变附matlab代码

 1 简介

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2 部分代码

function RWs=RWalks(dim,max_iter,lb,ub,antlion,current_iter)
I=1;
rt=current_iter/max_iter;
if current_iter>max_iter*0.20
I=1+1*rt;
end
if current_iter>max_iter*0.50
I=1+5*rt;
end
if current_iter>max_iter*0.75
I=1+10*rt;
end
if current_iter>max_iter*0.90
I=1+20*rt;
end
lb=lb'/I;
ub=ub'/I;
if rand<0.5
lb=lb+antlion;
else
lb=-lb+antlion;
end
if rand>=0.5
ub=ub+antlion;
else
ub=-ub+antlion;
end
RWs=zeros(max_iter+1,dim);
for i=1:dim
X = [0 cumsum(2*(rand(max_iter,1)>0.5)-1)'];
a=min(X);
b=max(X);
c=lb(i);
d=ub(i);
RWs(:,i)=((X-a).*(d-c))./(b-a)+c;
end

3 仿真结果

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4 参考文献

[1] Singh, D. , and  B. Singh . "Effective and efficient classification of gastrointestinal lesions: combining data preprocessing, feature weighting, and improved ant lion optimization." Journal of Ambient Intelligence and Humanized Computing 6(2020).

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部分理论引用网络文献，若有侵权联系博主删除。

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