colorsegment.zip_RGB转换为HSV_colorsegment_hsv分割_matlab 红色分割_red se

I=imread('004.jpg'); figure,subplot(121),imshow(I); [y,x,z]=size(I); myI=double(I); %%%%%%%%%%% RGB to HSV %%%%%%%% tic % 测定算法执行的时间，开始计时 myH=zeros(y,x,z); for i=1:y for j=1:x R=myI(i,j,1); G=myI(i,j,2); B=myI(i,j,3); X=[R,G,B]; Max=max(X); Min=min(X); if(R==Max) H=(G-B)/(Max-Min); end if(G==Max) H=2+(B-R)/(Max-Min); end if(B==Max) H=4+(R-G)/(Max-Min); end H=H*60; if(H<0) H=H+360; end V=max(X); S=(Max-Min)*255/Max; myH(i,j,1)=H; myH(i,j,2)=V; myH(i,j,3)=S; end end %%%%%%%%%% RGB to HSV 结束%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%% 图像识别，红色%%%%%%%%%%%%%%%%%%%%%%%% for i=1:y for j=1:x if((((myH(i,j,1)<=30)&&(myH(i,j,1)>=0))||((myH(i,j,1)<=360)&&(myH(i,j,1)>=330)))&&((myI(i,j,2)>=50))&&((myH(i,j,3)>=50))) myH(i,j,1)=255;myH(i,j,2)=255;myH(i,j,3)=255; else myH(i,j,1)=0;myH(i,j,2)=0;myH(i,j,3)=0; end end end %%%%%%%%%% 图像识别，红色 结束%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% myH=rgb2gray(myH); mygray=myH; t=toc % 读取计时 subplot(122),imshow(myH);