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Green band with stabilizing tool
rbowser [Avatar]
Contributor Joined: Aug 08, 2011 16:48 Messages: 515 Offline
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I'm putting together vacation footage, and much of it is hand-held camera while walking. So, I like Cinema-Verite, but when it gets So jostled, of course it would be nice to fix it up at least some.

I'm trying the stabilize tool again - And this time I'm getting a bright green vertical band popping in throughout the clips on the right side.

Still being in the editing stage, I haven't wanted to stop and render the project to see if the green band will be seen in the final DVD.

I'm hoping someone here could let me know if this is just an artifact from previewing the effect in real time?--or if that will remain in the final burn.

rbowser
CubbyHouseFilms
Senior Contributor Location: Melbourne, Australia Joined: Jul 14, 2009 04:23 Messages: 2208 Offline
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Hi

I'm not sure it will - the only way for sure is to test it.

It only takes a minute or so.

Open a new project and import a clip that you know is shaky. Apply the 'stabilize' tool (adjust amount on the slider - less is usually better) and produce this as close to the original file footage and play back on your computer.

Good luck

This message was edited 1 time. Last update was at Sep 11. 2011 04:51

Happing editing

Best Regards

Neil
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BarryTheCrab
Senior Contributor Location: USA Joined: Nov 06, 2008 22:18 Messages: 6240 Offline
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If you think the PD stabilizer is that good, you've not used another. I find it to be lousy at best. Hopefully, V10 will have some type of improvement.
Side note...it ain't easy to get decent video from a small boat, that's for sure, not much room for a tripod, and walking while "taping" can be very challenging. If you have a monopod, it can be helpful to use it as a counterweight to buffer the swing from your strides.

This message was edited 2 times. Last update was at Sep 11. 2011 10:30

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rbowser [Avatar]
Contributor Joined: Aug 08, 2011 16:48 Messages: 515 Offline
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Thanks much for the input, guys.

Neil, you're right - simple enough to do a little test like that, see how it flies. I was thinking the clips in question might have to be in context with the whole project - that's probably not the case. I'll check it out today.

Barry, I really don't think the PD stabilizer is so good. Last time I asked a question about it here, I grabbed the free version of vReveal 3, since stabilization seems to be its main purpose. I can try that again if needs be.

Thanks again.

rbowser
Rocket-Scientist
Senior Member Location: HUNTSVILLE, ALABAMA Joined: Apr 23, 2010 10:14 Messages: 288 Offline
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rbrowser,

just tried some HD stabilizer set at mid-range, an also got occasional green bars. Based upon experience with deshake and virtualdub, i am guessing the side-to-side motion is more than the zoom, and what you are seeing is missing image (to stabilizer the image it shifts whole image in the frame. Deshake would let you specify black or extraplolated colors from near edge to fill in the missing data, or use data from previous frames to fill in (can give you ghosts of things now out of sight but vissible earlier in scene.

you could just but a black color panel behind main video to maks or crop more (will cost quality)

I have to agree with Barry ... PD9 has very poor stabilizer (many other great things but stabilizer is not one of them)

I use Virtualdub/Deshaker (public domain stuff) for standard definition stuff and eReveal (commercial --- just stabilizer software ... not a real editor) even with these tools, my early "small" camcorder-hand held stuff has to be processed two-three time stabilizer-produce-stabilizer-produce to get rock solid (tripod class) video. It does lose a little quality, but always produce to same format, highest bit rate (hence the large disks in my profile). Not a bad idea to do some trim work, to isolate different shake patterns, this will improve the stabilizer result.

This message was edited 1 time. Last update was at Sep 11. 2011 14:24

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