Emgu CV Library Documentation
cvCreateFeatureTree Method (desc)
NamespacesEmgu.CVCvInvokecvCreateFeatureTree(IntPtr)

www.emgu.com/wiki
Constructs a balanced kd-tree index of the given feature vectors. The lifetime of the desc matrix must exceed that of the returned tree. I.e., no copy is made of the vectors.
Declaration Syntax
C#Visual BasicVisual C++
public static IntPtr cvCreateFeatureTree(
	IntPtr desc
)
Public Shared Function cvCreateFeatureTree ( _
	desc As IntPtr _
) As IntPtr
public:
static IntPtr cvCreateFeatureTree(
	IntPtr desc
)
Parameters
desc (IntPtr)
n x d matrix of n d-dimensional feature vectors (CV_32FC1 or CV_64FC1)
Return Value
A balanced kd-tree index of the given feature vectors

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.5.0.0 (1.5.0.0)