SparseOpticalFlow.evaluate

Evaluate sparse optical flow method between two consecutive frames.

interface SparseOpticalFlow

float[2][]

evaluate

(

in float[2][] points

in float[2][] searchRegions

float[2][] prevflow = null

bool usePrevious = false

)

Parameters

f1: Type: Image
First frame image.
f2: Type: Image
Second frame image.
points: Type: float[2][]
points which are tracked.
searchRegions: Type: float[2][]
search region width and height for each point.
prevflow: Type: float[2][]
displacement values preallocated array.
usePrevious: Type: bool
if algorithm should continue iterating by using presented values in the flow array, set this to true.

Type: float[2][]

Array of 2 floating point values which represent movement of each given feature point, from f1 to f2.