【MATLAB】评价二值分割结果的函数

根据PASCAL challenges的标准：intersection-over-union score，所写的matlab评价程序，处理二值图像。

其思想即分割结果与Ground Trueth的交集比上它们的并集，即为分割的准确率，代码如下：

 function performance =get_performance_iou_binary(ImgResult, ImgGT)

 % background color & foreground
 bg_color =  ;
 fg_color =  ;

 % check the size
 [rh rw rd] = size(ImgResult);
 [gh gw gd] = size(ImgGT);

 if rh~=gh || rw~=gw || rd~=gd
     return;
 end

 % performance by intersection-over-union
 intersection=;
 unionsection=;

 for i=:rh
     for j=:rw
         if ImgResult(i,j)==fg_color && ImgGT(i,j)==fg_color
             intersection=intersection+;
         end
         if ImgResult(i,j)==fg_color || ImgGT(i,j)==fg_color
             unionsection=unionsection+;
         end
     end
 end

 if unionsection==
     performance=;
 else
     performance=*intersection/unionsection;
 end

 end