-
Stabilize Anomaly
-
Have you tried just using the point tracker to do the stabilize? I don’t think the artifacts are caused by rolling shutter. I think that it might be the warp stabilizer that’s introducing them.
—
-
[Conrad Olson] “Have you tried just using the point tracker to do the stabilize? I don’t think the artifacts are caused by rolling shutter. I think that it might be the warp stabilizer that’s introducing them.”
I was thinking that I did not notice the wavy before the stabilizing but I did not look again last night as I was working on something else. And the other folks say the stabilizing makes the rolling shutter more noticeable.
Interested in trying the point tracker if someone can point me to a good tutorial.
[ben g unguren] “I don’t think manually correcting rolling shutter is a good idea — I’ve never heard any happy endings, at least.
Before coming across the “track and remove rolling shutter at the same time” solution in CS5.5, the process was (1)remove rolling shutter, (2) stabilize / motion track / etc. The rolling shutter was always the first thing that had to be corrected. (I figure if you’re going to break down the process and go all crazy-manual on us, that might be useful to know.) Good luck!”
Makes sense. I don’t think the idea was to manually correct the rolling shutter. I believe we were discussing manually corrected the shaky so the Warp Stabilizer is not in the workflow making the rolling shutter artifacts noticeable.
Hopefully some the caffeine will kick in shortly and I can get back to trying some things. Really would like a tutorial on point tracking, never done that. Saw some folks talking about all the motion tracking that was done on Battlestar Galactica and that sound like tedious and not much fun, but once in a while for a bit would be OK.
Thanks,
Robert -
Maybe this is good?
https://www.macprovideo.com/tutorial/aftereffectscs5201
I appreciate any opinions,
Robert -
I am wondering if it is at all possible to allow us access to a small portion of your shot to see if any of us can get a better result…
I know that I would be interested in working on a tutorial about it. 🙂
– JB
Jon Barrie
aJBprods
Jon’s YouTube Tutorial Page
follow Jon with twitter -
If you think that the Warp Stabilizer is introducing excess warping, then just switch to a different Method setting.
I strongly recommend watching the video tutorials here before trying to use the Warp Stabilizer for serious work. It’s not exactly an intuitive feature.
———————————————————————————————————
Todd Kopriva, Adobe Systems Incorporated
Technical Support for professional video software
After Effects Help & Support
Premiere Pro Help & Support
——————————————————————————————————— -
[Jon Barrie] “I am wondering if it is at all possible to allow us access to a small portion of your shot to see if any of us can get a better result…”
I would be very interested and grateful for you to teach us via my clip. I will upload it to one one of my sites and post a link.
I managed to knock over the Lacie the clips were on so I am in the process of moving them to a CalDigit raid 1 drive connected to my notebook from another location.
Thanks,
Robert -
[Todd Kopriva] “If you think that the Warp Stabilizer is introducing excess warping, then just switch to a different Method setting.”
Yeah, I am not sure I tried any of the others on the clip in question.
[Todd Kopriva] “I strongly recommend watching the video tutorials here before trying to use the Warp Stabilizer for serious work. It’s not exactly an intuitive feature.”
Good point. I have looked at some of that, but will explore it further.
Thanks Todd,
Robert -
Ok Folks,
I put a copy of the original clip at:
https://www.audiocrazies.com/storage/jrmediumtoclosetrimmed.mov
It is trimmed to approximately the frames I am using in Premiere/AE.
I also made a Blu-Ray from my current rough edit and the anomaly is noticeable on all of the medium shots which I stabilized in AE. Most distressing.
I will try to follow some of Todd’s links/suggestions tonight. Still looking on a tutorial for manually tracking this.
Thanks,
Robert
PS: I can provide a ProRes version if someone would like. -
[Todd Kopriva] “I strongly recommend watching the video tutorials here before trying to use the Warp Stabilizer for serious work. It’s not exactly an intuitive feature.”
Hey Todd and Folks,
I have watched some of the videos and will try some things but I really need to get this finished and move on to an old project that I will actually make a little money on.
None of the stuff I have seen so far really address the rolling shutter artifacts that I am getting except to say use enhanced which does not help for my footage. Anything you can point me to that will deal with what we are seeing in this clip?
Thanks,
Robert -
Hi Rob,
I did do some testing with the footage but I can see that because there is so much movement at a long zoom amount the compression of what was recorded has got it’s own waving quality to it and “lag” so when the shutter roll issue is addressed the compression “lag” is not moving pixels into the correct position. And as a result I couldn’t get it to be any better than what you have already produced.
I used Mocha to simply stabilize and it clearly showed me there was more than just a wobble in the vertical appearance of the curtains the compression “lag” was very evident.
I would suggest that this one goes down as a learning experience whereby a zoomed in shot MUST be on a tripod. The kinds of shots that work amazingly well for the warp stabilizer won’t replace a tripod look from hand held use at zoom. When the shot is at wide and handheld there is less movement in the shutter roll and the compression is able to keep up. A pan, dolly or tilt would have been ok but this footage is not workable to remove the compression behaviour.
Sorry to bring you such news, but at least you know now to use a tripod where possible.
Cheers,
JB
Jon Barrie
aJBprods
Jon’s YouTube Tutorial Page
follow Jon with twitter
Reply to this Discussion! Login or Sign Up