/**
Repeatedly calls scan_match with different temporal offsets in
order to determine the time alignment of two video sequences.
Currently only offsets between -1 and 1 second are evaluated.
@param pose Pose estimate at the best found time offset.
@return The temporal offset giving minimal alignment error.
**/
float scan_match_temporal(
const TrackHistory& a, const TrackHistory& b,
TrackHistory& asc_a, TrackHistory& asc_b,
ScanPose& pose, float timeThresh
)
{
pose.error = 9999999.f;
float min_dt = 0.f; // will store the best offset found
// Repeat scan matching for a number of time offsets from -1 to 1 second
float dt = -1.f;
while( dt <= 1.f )
{
ScanPose result = scan_match( a, b, asc_a, asc_b, timeThresh, dt );
if ( result.error < pose.error )
{
pose = result;
min_dt = dt;
}
dt += 0.05f;
}
return min_dt;
}
static void add_ttymatch(char *arg)
{
scan_match(&ttytab, arg, do_ttymatch);
}
static void add_uidmatch(char *arg)
{
scan_match(&uidtab, arg, do_uidmatch);
}