# Input

The input track to use to calculate the perspective projection matrix.

The input track must identify objects that are moving on a plane, for example vehicles on a flat road.

Micro Focus recommends using the `DataWithSource` track from an object class recognition or vehicle model recognition task.

Type: | String
Default: |
Required: | Yes
Configuration Section: | TaskName
Example: | `Input=MyObjectClassRecognition.DataWithSource`
See Also: | AlignAxes

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