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rolling shutter 'jello'

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Joshua Kerr
rolling shutter 'jello'
on Aug 21, 2012 at 3:01:28 pm

Hi All,

Just wanted to ask what I assume will be quite a general question but I want to gauge the response to it.
How would you go about limiting rolling shutter during production and then again in post?

I don't know much on this topic so i'm trying to get some extra info

Kind Regards

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Peter Burger
Re: rolling shutter 'jello'
on Aug 21, 2012 at 7:30:50 pm

In general: The faster the motion (camera and/or moving object) the stronger the jello-effect. So avoiding fast pans and/or shooting fast-moving objects reduces rolling-shutter effects.

There's an excellent article about that issue:
http://dvxuser.com/jason/CMOS-CCD/

Same thing wih shutterspeed (but in "reverse"): The slower the shutterspeed, the stronger the jello-effect. So when shooting with high shutterspeeds you'll notice less rolling-shutter effects. The problem here is that with higher shutterspeeds you might get strobing motion because of the lack of motion-blur.

You shurely know the rule of thumb: Shutterspeed = 2 x fps
With that, you'll get the "normal" amount of motion-blur.

When having to deal with the jello-effect, there are two plugins that might help:
http://www.thefoundry.co.uk/products/rollingshutter/
http://www.prodad.com/home/products/videostabilizing/300391667,l-us.xhtml

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