Mercurial Hosting > traffic-intelligence
view scripts/examples.sql @ 399:c389fae9689a
Added a class to read list of image instead of video. This is controlled by the use of the database-filename and folder-data parameters in the config file.
| author | Jean-Philippe Jodoin <jpjodoin@gmail.com> |
|---|---|
| date | Mon, 29 Jul 2013 17:12:45 -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;