Emgu CV Library Documentation
HS Method (prev, curr, usePrevious, velx, vely, lambda, criteria)
NamespacesEmgu.CVOpticalFlowHS(Image<(Of <(Gray, Byte>)>), Image<(Of <(Gray, Byte>)>), Boolean, Image<(Of <(Gray, Single>)>), Image<(Of <(Gray, Single>)>), Double, MCvTermCriteria)

www.emgu.com/wiki
Computes flow for every pixel of the first input image using Horn & Schunck algorithm
Declaration Syntax
C#Visual BasicVisual C++
public static void HS(
	Image<Gray, byte> prev,
	Image<Gray, byte> curr,
	bool usePrevious,
	Image<Gray, float> velx,
	Image<Gray, float> vely,
	double lambda,
	MCvTermCriteria criteria
)
Public Shared Sub HS ( _
	prev As Image(Of Gray, Byte), _
	curr As Image(Of Gray, Byte), _
	usePrevious As Boolean, _
	velx As Image(Of Gray, Single), _
	vely As Image(Of Gray, Single), _
	lambda As Double, _
	criteria As MCvTermCriteria _
)
public:
static void HS(
	Image<Gray, unsigned char>^ prev, 
	Image<Gray, unsigned char>^ curr, 
	bool usePrevious, 
	Image<Gray, float>^ velx, 
	Image<Gray, float>^ vely, 
	double lambda, 
	MCvTermCriteria criteria
)
Parameters
prev (Image<(Of <(Gray, Byte>)>))
First image, 8-bit, single-channel
curr (Image<(Of <(Gray, Byte>)>))
Second image, 8-bit, single-channel
usePrevious (Boolean)
Uses previous (input) velocity field
velx (Image<(Of <(Gray, Single>)>))
Horizontal component of the optical flow of the same size as input images, 32-bit floating-point, single-channel
vely (Image<(Of <(Gray, Single>)>))
Vertical component of the optical flow of the same size as input images, 32-bit floating-point, single-channel
lambda (Double)
Lagrangian multiplier
criteria (MCvTermCriteria)
Criteria of termination of velocity computing

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