コード例 #1
0
ファイル: masks.C プロジェクト: anilkunwar/OOF2
DoubleArray MASKS::applyMasks(const DoubleArray& image) {
//This applies the mask that is stored onto an array of doubles representing
//the image.
  DoubleArray newImage(image.size(),0.0);
  double tempSum=0;
  int startI,endI,startK,endK;
  int M=maskArrays.width(), N=maskArrays.height();

  for(int x=0;x<image.width();x++) {
    for(int y=0;y<image.height();y++) {
      startI=-M/2; endI=M/2;
      startK=-N/2; endK=N/2;
      if(x-M/2<0)
	startI=-x;
      if(y-N/2<0)
	startK=-y;
      if(x+M/2>=image.width())
	endI=image.width()-x-1;
      if(y+N/2>=image.height())
	endK=image.height()-y-1;
      for(int i=startI;i<=endI;i++) {
	for(int k=startK;k<=endK;k++) {
	  tempSum+=image[ICoord(x+i,y+k)]*maskArrays[ICoord(M/2+i,N/2+k)];
	  //If M and N aren't odd, will get segmentation fault
	}
      }
      newImage[ICoord(x,y)]=tempSum;
      //    if(tempSum<0)
      tempSum=0;
    }
  }
  return newImage;
}