Perspective
The Perspective effect allows you to transform the perspective in an image. It has two variations: horizontal and vertical transformations.
In the Properties Area of the Video Effect window you can change the effect propertieschange the effect properties.
The properties of the Perspective effect available for setting are angle and the Vertical option. The vertical type is set by default, to apply the horizontal one untick the Vertical box.
In the figures below you can see the video picture before and after applying the Perspective effect:
Before applying the Perspective effect
After applying the Perspective effect