License plate reading area size box

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License plate reading area size box

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License plate reading area size box

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Graphics window

Tool bar

 License plate reading area

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Click to expand


The box displays an approximate view and sizes of license plate area projection.


The projection is calculated according to license plate reading criteria attached to a quality level assigned to camera. The criteria can be edited in a criteria-editing box of license plate reading area.


The license plate reading projection is calculated on a condition of license plate hitting in the area at all the heights from the customized range. The reading condition becomes a presence of license plates of either lorries (high vehicles) or passenger cars (low vehicles).


If there are no numerical values in the box, the license plate reading area projection is missing consequently.

The missing projection of reading area doesn't imply the failure of capacity to read-out plates at all points of view area. To create a reading area projection all the criteria are to be observed in the whole range of heights specified in the criteria, i.e. for the vehicles of any size.


This tool doesn't take into account rotation of camera around its axis, shadows and lens distortion.


See also: Recommendations on the program use, criteria editing box of license plate reading area, Pixel density.

External link: "The principles of CCTV design in VideoCAD. Part 2. Person detection area, person identification area, license plate reading area. Pixel density."(*.pdf) .