Mercurial > hg > nsaunier > traffic-intelligence
view scripts/examples.sql @ 478:d337bffd7283
Display of points in compute homography and step option to replay videos
A bug seems to remain with respect to trajectory bounds, to check
| author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
|---|---|
| date | Thu, 27 Mar 2014 11:40:28 -0400 |
| parents | d44eba0db517 |
| children |
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# get object id, first and last frame numbers, length and number of features select OF.object_id, min(P.frame_number) as frame1, max(P.frame_number) as frame2, max(P.frame_number)-min(P.frame_number) as length, count(OF.trajectory_id) as nfeatures from positions P, objects_features OF where P.trajectory_id = OF.trajectory_id group by OF.object_id order by nfeatures asc;
