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Carlo Ferraro
Building perspective distortion
on Jun 2, 2013 at 7:01:51 am

Is there such thing as a "fix Keystone Distortion" (used in Photoshop) to straighten the conical buildings wide angle shots taken from the floor?
FCPX?, Motion 5?, a Plugin?
Thanks

Imac 27 Quad 3.4, 16GB Ram, 2GB Graphics, 6GB USB3.0 & Esata Raids
http://www.ferrarofilmsau.com


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Oliver Peters
Re: Building perspective distortion
on Jun 2, 2013 at 12:33:03 pm

Not sure about keystoning in particular, but look at the Andy Mees, Dashwood Editor Essentials and Ripple Tools plug-ins at Noise Industries (FxFactory). There are 3D DVE, warp and horizon correction tools.

Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Simon Ubsdell
Re: Building perspective distortion
on Jun 2, 2013 at 2:36:31 pm

Why not simply try using the Distort Transform built into FCP X?

It's not as much of a fun toy to use as some dedicated plug-in might be but there's not reason you can't use it to apply keystoning pretty successfully.

it won't correct lens distortion of course but then that's not what you were asking.


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Oliver Peters
Re: Building perspective distortion
on Jun 2, 2013 at 5:08:53 pm

Duh! Of course.

Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Carlo Ferraro
Re: Building perspective distortion
on Jun 2, 2013 at 11:34:53 pm

If you got4k or 5k clips and you will end up to 2k, it is the obvious solution because the image must be cropped in any way

Imac 27 Quad 3.4, 16GB Ram, 2GB Graphics, 6GB USB3.0 & Esata Raids
http://www.ferrarofilmsau.com


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Bill Davis
Re: Building perspective distortion
on Jun 2, 2013 at 6:30:57 pm

Also Carlo,

The next time you're in a similar shooting situation consider that the original purpose of the "tilt-shift" lens was to correct for precisely this problem. So with a modest rental fee, you can often come away with a shot that doesn't NEED any perspective correction in post.

(this was kinda the purpose of the tilt-shift lens before hipster videographers discovered they could also use them to make real life regular scenes look like stop-motion animation miniature shoots!)

Perfect for locked-down establishing shots - not so much for pans or tilts.

FWIW.

Know someone who teaches video editing in elementary school, high school or college? Tell them to check out http://www.StartEditingNow.com - video editing curriculum complete with licensed practice content.


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Mark Dobson
Re: Building perspective distortion
on Jun 2, 2013 at 8:17:03 pm

[Bill Davis] "The next time you're in a similar shooting situation consider that the original purpose of the "tilt-shift" lens was to correct for precisely this problem. So with a modest rental fee, you can often come away with a shot that doesn't NEED any perspective correction in post."

Hindsight is a great thing Bill, always annoying because it's always right.

I can't imagine what it must be like to be dealing with footage that does not need correction of some kind.


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Bill Davis
Re: Building perspective distortion
on Jun 2, 2013 at 10:05:45 pm

[Mark Dobson] "I can't imagine what it must be like to be dealing with footage that does not need correction of some kind."

And my hope is that by writing stuff like this - and trying to help address a problem that one person has confronted, perhaps someone who stops by here to read this thread thinks to themselves - "HEY, I have a shoot just like that coming up! Maybe a tilt-shift lens is something I should look into."

My intent was not to diss what you did - but rather to point out another way to do it in public for everyone to note. Sorry if I worded it poorly. But I didn't note in your OP anything like. "I should have taken a tilt-shift" or anything else that would clue me that you were aware of the option.

And I couldn't see any reason to assume that most readers here were aware of the option either.

Simple as that.

Know someone who teaches video editing in elementary school, high school or college? Tell them to check out http://www.StartEditingNow.com - video editing curriculum complete with licensed practice content.


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Carlo Ferraro
Re: Building perspective distortion
on Jun 2, 2013 at 11:28:32 pm

Of course, the tilt and shift lens is the solution, if you have interchangeable lens on your camcorder.....

Imac 27 Quad 3.4, 16GB Ram, 2GB Graphics, 6GB USB3.0 & Esata Raids
http://www.ferrarofilmsau.com


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Joseph W. Bourke
Re: Building perspective distortion
on Jun 30, 2013 at 4:58:49 pm

So how come no one's making a video camera with a bellows? :>)

Joe Bourke
Owner/Creative Director
Bourke Media
http://www.bourkemedia.com


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