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Camera Tracker

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Ben HartleyCamera Tracker
by on Mar 1, 2013 at 10:59:46 am

Please can someone tell me why my camera tracker for the below clip wont work. It come up with "Analysis solve failed"







Thanks

If it looks good, look at it.


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Ben HartleyRe: Camera Tracker
by on Mar 1, 2013 at 3:42:37 pm

Are there specific types of video files that it only works with?? Im trying to track a png sequence.

If it looks good, look at it.


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Joseph W. BourkeRe: Camera Tracker
by on Mar 1, 2013 at 4:07:48 pm

Ben -

The only thing I can think of that you might try is to Precompose the .png sequence, to see if it's the culprit. I can't see why it should be, although I don't fully understand the technology behind the tracker...

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


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Fernando MolRe: Camera Tracker
by on Mar 1, 2013 at 5:17:17 pm

Try masking the sky, so the tracker only analyses the floor


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Ashish GuptaRe: Camera Tracker
by on Mar 2, 2013 at 9:01:30 am

Ben Hartley,

i tried your footage and same result .. "Analysis solve failed"

i also tried precomping and masking the sky .. that didn't work either .. i guess it's an issue with your footage ... it doesn't have enough contrast or information that is required by 3d camera tracker to solve

Go through this thread, it will help answer some of your questions:

http://forums.adobe.com/message/4408136

Also there's a useful tutorial about 3d camera tracking :

http://maltaannon.com/articles/after-effects/studying-3d-camera-tracker/


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Vishesh AroraRe: Camera Tracker
by on Mar 2, 2013 at 10:05:16 am

Ben

The footage should have good parallax to make Camera Tracker work properly.

Darby has explained this here.

It may help.

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

2011 3D Demo Reel:








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Joseph W. BourkeRe: Camera Tracker
by on Mar 2, 2013 at 9:09:59 pm

If indeed it is a contrast issue, then why not precompose the footage, put a Brightness/Contrast filter on it, then do your tracking. If that's what it was, when the track is complete, delete the brightness and contrast filter. Since I can't see the footage, I can't comment...

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


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Ben HartleyRe: Camera Tracker
by on Mar 12, 2013 at 10:48:16 am

Thanks for the help guys. However I havn't managed to track the footage yet. I even got a tracking pass exorted with bumps on the ground to make it easier but it still didnt work.

If it looks good, look at it.


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