MATLAB特征提取代码(共5页).docx

MATLAB特征提取代码fori=1:26f=strcat(D:bishe,num2str(i);image=strcat(f,.jpg);PS=imread(image);PS=imresize(PS,300,300,bilinear);%归一化大小PS=rgb2gray(PS);m,n=size(PS);%测量图像尺寸参数GP=zeros(1,256);%预创建存放灰度出现概率的向量fork=0:255GP(k+1)=length(find(PS=k)/(m*n);%计算每级灰度出现的概率，将其存入GP中相应位置end%直方图均衡化S1=zeros(1,256);fori=1:256forj=1:iS1(i)=GP(j)+S1(i);