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Cropp a skewed video using corner pins or similar tool

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Marin Aldimirov
Cropp a skewed video using corner pins or similar tool
on Apr 12, 2017 at 2:40:16 pm

Hello all,
I am not really into video editing, I just need to do 1 simple thing to edit a video for my PhD research.
The setup:
On the ground I have drawn 4 white markers marking the endpoints of a coordinate system that is 20x30 meters. A video is shot from a Phantom 3 Pro of a marked car moving inside the coordinate system. I need to crop the video so that my 4 ground markers align with the borders of the video. In the end the video borders must align with the coordinate system's borders. So when I track the movement of the marker placed on top of the car, the tracked coordinates translate to the real world coordinates of the car inside my coordinate system.
I know I can do it by using corner pins and manually dragging them, but my laptop is really slow at this and it will take forever to properly align.
The question:
Is there a simple way to just click the four markers (or any four points) in the video and say, these are the new video borders, deal with it and render my cropped video 😎 Like you can create a mask by clicking with the pen tool.

Here is a link to a sample video so you can better understand what I have to do. You may notice there are a lot of markers on the ground. Don't worry I know which ones are mine 😋 As you can see I cannot simply pan or zoom to produce perfect results. And I need them to be perfect because this is a technical measurement not a video fx.

P.S.: If anyone has any idea of a program that will track the markers on the car and export a list of coordinates to a file, it will be a priceless information for me.


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