function[]=fake_color(hh,hv,vv,number,str)%%% 显示伪彩色图像，hh---r红色；hv----g绿色；vv-----l蓝色
%% 后面的系数1和2，分别代表 是根据 强度(1) 还是幅度(2) 和灰度（可能有负值）（3） 做伪彩色图,str为显示的图像的名称，可以省略掉
if nargin==4
str='伪彩图';
end
[size1,size2]=size(hh);
fake_color=zeros(size1,size2,3);
red=zeros(size1,size2);
blue=zeros(size1,size2);
green=zeros(size1,size2);
max_value=zeros(1,3);
min_value=zeros(1,3);
switch(number)
case 1
red=log(1+hh);
green=log(1+2*hv);
blue=log(1+vv);
max_value(1)=max(max(red));
max_value(2)=max(max(green));
max_value(3)=max(max(blue));
min_value(1)=min(min(red));
min_value(2)=min(min(green));
min_value(3)=min(min(blue));
fake_color(:,:,1)=(red-min_value(1))./(max_value(1)-min_value(1));
fake_color(:,:,2)=(green-min_value(2))./(max_value(2)-min_value(2));
fake_color(:,:,3)=(blue-min_value(3))./(max_value(3)-min_value(3));
figure;
imshow(fake_color);title(str);
case 2
hh=sqrt(hh);
hv=sqrt(hv);
vv=sqrt(vv);
red=log(1+hh);
green=log(1+hv);
blue=log(1+vv);
max_value(1)=max(max(red));
max_value(2)=max(max(green));
max_value(3)=max(max(blue));
min_value(1)=min(min(red));
min_value(2)=min(min(green));
min_value(3)=min(min(blue));
fake_color(:,:,1)=(red-min_value(1))./(max_value(1)-min_value(1));
fake_color(:,:,2)=(green-min_value(2))./(max_value(2)-min_value(2));
fake_color(:,:,3)=(blue-min_value(3))./(max_value(3)-min_value(3));
figure;
imshow(fake_color);title(str);
case 3
max_hh=max(max(hh));
max_hv=max(max(hv));
max_vv=max(max(vv));
min_hh=min(min(hh));
min_hv=min(min(hv));
min_vv=min(min(vv));
hh=hh-min_hh;
hv=hv-min_hv;
vv=vv-min_vv;
red=log(1+hh);
green=log(1+hv);
blue=log(1+vv);
max_value(1)=max(max(red));
max_value(2)=max(max(green));
max_value(3)=max(max(blue));
min_value(1)=min(min(red));
min_value(2)=min(min(green));
min_value(3)=min(min(blue));
fake_color(:,:,1)=(red-min_value(1))./(max_value(1)-min_value(1));
fake_color(:,:,2)=(green-min_value(2))./(max_value(2)-min_value(2));
fake_color(:,:,3)=(blue-min_value(3))./(max_value(3)-min_value(3));
figure;
% show_area_color(fake_color,251,300,50,100,[0 0 0]);
imshow(fake_color);title(str);
end
