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資源簡介

極化SAR圖像處理中,將三個不同極化通道的數據進行為彩色合成的程序fake_color

資源截圖

代碼片段和文件信息

function[]=fake_color(hhhvvvnumberstr)%%%??顯示偽彩色圖像,hh---r紅色;hv----g綠色;vv-----l藍色
%%?后面的系數1和2,分別代表?是根據?強度(1)??還是幅度(2)?和灰度(可能有負值)(3)?做偽彩色圖str為顯示的圖像的名稱,可以省略掉
if?nargin==4
????str=‘偽彩圖‘;
end
[size1size2]=size(hh);
fake_color=zeros(size1size23);
red=zeros(size1size2);
blue=zeros(size1size2);
green=zeros(size1size2);
max_value=zeros(13);
min_value=zeros(13);
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_color25130050100[0?0?0]);
????imshow(fake_color);title(str);
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2447??2006-05-08?09:46??fake_color.m

-----------?---------??----------?-----??----

?????????????????2665????????????????????2


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