Warp MT::fine_test(Warp warp)
{
Rect2f rect = window(warp.t);
float fine_cell = sqrt(rect.area() / cell_n);
feature.set_cell(fine_cell);
for (auto fine_step : fine_steps) {
if (fine_step > 2.0f * fine_cell)
continue;
feature.set_step(fine_step);
if (log != NULL)
(*log) << "\tcell = " << fine_cell << " step = " << fine_step << endl;
warp = Lucas_Kanade(warp);
}
return warp;
}
Warp MT::fine_test(Warp warp)
{
++number_MLK;
rect_t rect = window(warp.t);
float fine_cell = sqrt(rectArea(rect) / cell_n);
feature.set_cell(fine_cell);
//use different interpolation step to accelerate the convergence
for (auto fine_step : fine_steps) {
if (fine_step > 2.0f * fine_cell)
continue;
feature.set_step(fine_step);
if (log != NULL)
(*log) << "\tcell = " << fine_cell << " step = " << fine_step << " : ";
warp = Lucas_Kanade(warp);
}
return warp;
}