optFlowHorn

PURPOSE ^

Calculate optical flow using Horn & Schunck.

SYNOPSIS ^

function [Vx,Vy] = optFlowHorn( I1, I2, sigma, show )

DESCRIPTION ^

 Calculate optical flow using Horn & Schunck.

 USAGE
  [Vx,Vy] = optFlowHorn( I1, I2, [sigma], [show] )

 INPUTS
  I1, I2      - input images to calculate flow between
  sigma       - [1] amount to smooth by (may be 0)
  show        - [0] figure to use for display (no display if == 0)

 OUTPUTS
  Vx, Vy      - x,y components of flow  [Vx>0->right, Vy>0->down]

 EXAMPLE

 See also OPTFLOWCORR, OPTFLOWLK

 Piotr's Image&Video Toolbox      Version 2.0
 Copyright 2008 Piotr Dollar.  [pdollar-at-caltech.edu]
 Please email me if you find bugs, or have suggestions or questions!
 Licensed under the Lesser GPL [see external/lgpl.txt]

CROSS-REFERENCE INFORMATION ^

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