Quote:
Originally Posted by Wild Goose
Yep. Even in the real world, they don't do photo analysis of real objects taken by photograph: they sketch.
I think we can conclusively say that any and all attempts to stadia and pull calculations from anime have been busted, since this isn't even used in the real world.
Also note that when Mythbusters use stadia-ing they have marked backdrops behind whatever they're tested.
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Those are used in order to determine the acceleration of an object being filmed. Each 'stripe' is a pre-determined width so they are able to tell how far an object has traveled in a given time (using high speed film for more frames per second) by checking the time-stamps when the object has reached certain stripes and from there the math begins. Yay for math
Also, note that the camera is always grounded to make sure all videos of the various tests are the same and positioned with the line of sight being normal (perpendicular) to the backdrop.