그레이스케일 위조 컬러 코드

     
     

      
       1 
      
      void
      
       F_Gray2Color(CvMat
      
      *
      
       gray_mat, CvMat
      
      *
      
       color_mat)

      
       2 
      
      {

      
       3 
      
       
      
      if
      
      (color_mat)

      
       4 
      
       cvZero(color_mat);

      
       5 
      
       

      
       6 
      
       
      
      int
      
       stype 
      
      =
      
       CV_MAT_TYPE(gray_mat
      
      ->
      
      type), dtype 
      
      =
      
       CV_MAT_TYPE(color_mat
      
      ->
      
      type);

      
       7 
      
       
      
      int
      
       rows 
      
      =
      
       gray_mat
      
      ->
      
      rows, cols 
      
      =
      
       gray_mat
      
      ->
      
      cols;

      
       8 
      
      

      
       9 
      
       
      
      //
      
                             、         
      
      

      
      10 
      
      
      
       
      
      if
      
       (CV_ARE_SIZES_EQ(gray_mat, color_mat) 
      
      &&
      
       stype 
      
      ==
      
       CV_8UC1 
      
      &&
      
       dtype 
      
      ==
      
       CV_8UC3)

      
      11 
      
       {

      
      12 
      
       CvMat
      
      *
      
       red 
      
      =
      
       cvCreateMat(rows, cols, CV_8U); 
      
      //
      
           
      
      

      
      13 
      
      
      
       CvMat
      
      *
      
       green 
      
      =
      
       cvCreateMat(rows, cols, CV_8U); 
      
      //
      
           
      
      

      
      14 
      
      
      
       CvMat
      
      *
      
       blue 
      
      =
      
       cvCreateMat(rows, cols, CV_8U); 
      
      //
      
           
      
      

      
      15 
      
      
      
       CvMat
      
      *
      
       mask 
      
      =
      
       cvCreateMat(rows, cols, CV_8U); 

      
      16 
      
      

      
      17 
      
       cvSubRS(gray_mat, cvScalar(
      
      255
      
      ), blue); 
      
      //
      
       blue = 255 - gray
      
      

      
      18 
      
      
      
       cvCopy(gray_mat, red); 
      
      //
      
       red = gray
      
      

      
      19 
      
      
      
       cvCopy(gray_mat, green); 
      
      //
      
       green = gray , if gray < 128
      
      

      
      20 
      
      
      
       cvCmpS(green, 
      
      128
      
      , mask, CV_CMP_GE ); 
      
      //

      
      21 
      
      
      
       cvSubRS(green, cvScalar(
      
      255
      
      ), green, mask); 
      
      //
      
       green = 255 - gray , if gray >= 128
      
      

      
      22 
      
      
      
       cvConvertScale(green, green, 
      
      2.0
      
      , 
      
      0.0
      
      ); 
      
      //
      
       green = 2 * green

      
      23 
      
       

      
      24 
      
       
      
      //
      
                      
      
      

      
      25 
      
      
      
       cvMerge(blue, green, red, NULL, color_mat);

      
      26 
      
      

      
      27 
      
       cvReleaseMat( 
      
      &
      
      red );

      
      28 
      
       cvReleaseMat( 
      
      &
      
      green );

      
      29 
      
       cvReleaseMat( 
      
      &
      
      blue );

      
      30 
      
       cvReleaseMat( 
      
      &
      
      mask );

      
      31 
      
       }

      
      32 
      
      }