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hi
I Check this code 
 
opencv32\opencv_contrib\modules\sfm\src\simple_pipeline.cpp
 
from:
opencv32\opencv_contrib\modules\sfm\src\simple_pipeline.cpp
and i found faster code.
->
libmv_reconstruction_.reconstruction.AllPoints()[i].X[j]
 

libmv_reconstruction_.reconstruction.AllPoints()[i].X[j]
should 
 
be:
libmv:: vector<euclideanpoint> vector<EuclideanPoint> Points = libmv_reconstruction_.reconstruction.AllPoints();
 and change to Points [i].X[j]
 
 
[i].X[j]
-------------------------------------
getPoints(OutputArray points3d) {
  const size_t n_points =
libmv_reconstruction_.reconstruction.AllPoints().size();
 
 libmv_reconstruction_.reconstruction.AllPoints().size();
points3d.create(n_points, 1, CV_64F);
 Vec3d point3d;
 for ( size_t i = 0; i < n_points; ++i )
 {
  for ( int j = 0; j < 3; ++j )
 point3d[j] =
=  libmv_reconstruction_.reconstruction.AllPoints()[i].X[j];
 Mat(point3d).copyTo(points3d.getMatRef(i));
 }
 
 }
 

}
-------------------------------------
getPoints(OutputArray points3d) {
 libmv:: vector<euclideanpoint> vector<EuclideanPoint> points = libmv_reconstruction_.reconstruction.AllPoints();
  const size_t n_points = points.size();
points3d.create(n_points, 1, CV_64F);
 
CV_64F);
Vec3d point3d;
 for ( size_t i = 0; i < n_points; ++i )
 {
  for ( int j = 0; j < 3; ++j )
 point3d[j] =
= points[i].X[j];
 Mat(point3d).copyTo(points3d.getMatRef(i));
 }
}
 
 }
 
thanks