Second image, in which to look for features of first image
flowX
Cuvi32f*
Horizontal velocity vector
flowY
Cuvi32f*
Vertical velocity vector
usePrevious
bool
use previous (input) velocity field
lambda
const Cuvi32f
Lagrangian multiplier
iterations
const Cuvi32s
Maximum number of iterations
stream
CuviStream*
GPU stream ID for execution
Image Type Support
Input
Output
8uC1
32fC1
Sample
Example
//Create two 8-bit Grays-scale CuviImage
CuviImage gimg1 = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_GRAYSCALE);
CuviImage gimg2 = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_GRAYSCALE);
//Create output memory
Cuvi32f* u = new Cuvi32f[gimg.width() * gimg.height()];
Cuvi32f* v = new Cuvi32f[gimg.width() * gimg.height()];
//Calculates flow of each image pixel in two frames using Horn–Schunck method
cuvi::computerVision::opticalFlowHS(gimg1,gimg2,u,v,false);