Emgu CV Library Documentation
cvDCT Method (src, dst, flags)
NamespacesEmgu.CVCvInvokecvDCT(IntPtr, IntPtr, CV_DCT_TYPE)

www.emgu.com/wiki
Performs forward or inverse transform of 1D or 2D floating-point array
Declaration Syntax
C#Visual BasicVisual C++
public static void cvDCT(
	IntPtr src,
	IntPtr dst,
	CV_DCT_TYPE flags
)
Public Shared Sub cvDCT ( _
	src As IntPtr, _
	dst As IntPtr, _
	flags As CV_DCT_TYPE _
)
public:
static void cvDCT(
	IntPtr src, 
	IntPtr dst, 
	CV_DCT_TYPE flags
)
Parameters
src (IntPtr)
Source array, real 1D or 2D array
dst (IntPtr)
Destination array of the same size and same type as the source
flags (CV_DCT_TYPE)
Transformation flags

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