Measure speed of cars using drone

[Thor Hansen]

Hey

I have a problem with speeding cars in my street and thought perhaps I could use the Mavic to film cars below, mark two lines in the street and use some sort of software afterwards to determine the speed of the cars.

Any ideas in this? Can it be done? Or is there a better way?

Regards
Thor

 

[Fonejacker]

Software? It's just simple mathematics using the very systems you've mentioned but as you don't have a timer you'll need to use your frames per second to calculate how long it takes to get from one line to the next


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[Fonejacker]

In fact if you're using your frames per second there wouldn't be a need to have lines on the ground, just calculate how far the car travelled in a 1 second shot


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[Fonejacker]

Scrap that you will need lines, perhaps 1 line every foot....

So for example. If you're shooting 25 frames per second then that means there's 0.04 seconds between each individual frame...


ISo....if the car is travels 3 feet per frame then the cars travelling at 75 feet per second or 51.2mph (or 82.4kph)


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[Thor Hansen]

Hey

Thanks. I know how to calculate the speed. My issue is that there will be a few hundred cars passing in the time I have the Mavic in the air. I don't feel like doing that manually.

I was hoping there would be some sort of software I could use instead.

/Thor