论坛里怎样发如下代码的呀。。。。

xuande · 发表于 2016-3-19 16:07:11

试试这个：

惊为天人 · 发表于 2016-3-19 16:22:22

xuande 发表于 2016-3-19 16:18
试试这个：

[mw_shl_code=cpp,true]u16 MyThreshold()
{
   float w0, w1, u0tmp, u1tmp, u0, u1, u, deltaTmp, deltaMax = 0;
   float maxPro = 0.0;
   u8 kk=0;
   u16 GrayScale = 256;
   u16 width = 480;
   u16 height = 500;
   u32 i, j, pixelSum = width * height, threshold = 0;
   //Ö¸ÏòÏñËØêy¾YμÄÖ¸Õë
   for(i = 0; i < GrayScale; i++)
   {
pixelCount = 0;
pixelPro = 0;
   }

   //í3¼Æ»ò¶è¼¶ÖDÃ¿¸öÏñËØÔúÕû·ùí¼ÏñÖDμÄ¸öêy
   for(i = 0; i < height; i++)
   {
for(j = 0;j < width;j++)
{
   pixelCount[(int)test[j]]++;  //½«ÏñËØÖμ×÷Îa¼Æêyêy×éμÄÏÂ±ê
}
   }
   //¼ÆËãÃ¿¸öÏñËØÔúÕû·ùí¼ÏñÖDμÄ±èày
   for(i = 0; i < GrayScale; i++)
   {
pixelPro = (float)pixelCount / pixelSum;
if( pixelPro > maxPro )
{
   maxPro = pixelPro;
   kk = i;
}
   }
   //±éàú»ò¶è¼¶[0,255]
   for(i = 0; i < GrayScale; i++)    // i×÷ÎaãDÖμ
   {
   w0 =0;
   w1 = 0;
   u0tmp =0;
   u1tmp = 0;
   u0 = 0;
   u1 = 0;
   u = 0;
   deltaTmp = 0;
for(j = 0; j < GrayScale; j++)
{
   if(j <= i) //±3¾°2¿·Ö
   {
w0 += pixelPro[j];
u0tmp += j * pixelPro[j];
   }
   else //Ç°¾°2¿·Ö
   {
w1 += pixelPro[j];
u1tmp += j * pixelPro[j];
   }
}
   if((w0==0)||(u0tmp==0)){u0=0;}
else{u0 = u0tmp / w0; }
   if((w1==0)||(u1tmp==0)){u1=0;}
else{u1 = u1tmp / w1;  }
u = u0tmp + u1tmp;
deltaTmp = w0 * pow((u0 - u), 2) + w1 * pow((u1 - u), 2);
if(deltaTmp > deltaMax)
{
   deltaMax = deltaTmp;
   threshold = i;
}
   }

   return threshold;
}
[/mw_shl_code]