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Search by line crossing is possible only when Object trajectories DB VMDA metadata storage and the Tracker object objects are created on for the camera that is used for searching in Intellect software package (Detector object, see Intellect software package: Administrator's Guide manualsee Cross line detection tool configuration). |
Search by line crossing runs only on a given day.
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- Select Line crossing from Search in archive dropdown menu in the functional menu.
- Pressing the left mouse button set end points of the line in video recording display field.
Do all necessary operations with the line. Operations with the line are performed in the table.
Operation
Operation result
Press the left mouse button in video surveillance window
End point of the line creating
Hover cursor over the end point and pressing the left mouse button shift the mouse
End point of the line shift
Hover cursor over the end point and click the right mouse button
Line deleting
To select the type of the object that was crossing the set line it's necessary to click
. Available types of the object are performed below.- Any object. Search will give out the video recordings in which line is crossed by any object
Human being. Search will give out the video recordings in which line is crossed by a humang being
Car. Search will give out the video recordings in which line is crossed by a car
By pressing default, the search is set to find line crossings in both directions. Click the left mouse button to one of grey arrow's end, set the traffic direction of the object across the line. Selected arrow becomes whitearrows to exclude crossings in one of the directions. De-selected arrow becomes gray.
Approximate speed of objects which are to be found is displayed close to arrow. At minimal and maximal value of speed the "?" sign will display, and only records containing line crossing regardless of speed will be searched for. It is possible to change value of speed by changing arrow length moving arrowhead with pressed left mouse button.
Info title Note. Arrow has minimal length while adding.
As a result the search selects the video recordings by given parameters. Search results are displayed in timestamps column.
Info title Note. Setting the traffic direction of the object by VMDA detector depends strongly on Tracker object settings (see Intellect software package: Administrator's Guide manual). With bad settings the traffic direction can be determined incorrectly and, consequently, results can be wrong while searching in line crossing archive. The settings of Tracker object should be used experimentally for every case.
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