GeoTracker by Keentools - Matchmoving, tracking the camera

Рет қаралды 19,810

11 ай бұрын

GeoTracker for Blender by Keentools can also do camera tracking! Pretty awesome!
Download the assets to follow along at openvisualfx.com/
I also demonstrate how to track a head using GeoTracker here:
• GeoTracker by Keentool...
And check out my FaceBuilder tutorials, also by Keentools:
• Facebuilder by KeenToo...
• Facebuilder Update & R...
Get GeoTracker here (currently in open beta, not sure for how long!)
keentools.io/products/geotrac...
Check out my post about it here:
openvisualfx.com/2023/08/19/g...
Videos from Pexels
www.pexels.com/video/an-aband...

Пікірлер: 54

@robertdouble559 2 ай бұрын

Great tute Sean, you've got such an easy to listen to voice too. Very warm and friendly.

@seankennedy6076 2 ай бұрын

Thanks for the nice words!

@SpencerMagnusson 11 ай бұрын

Love it, really convinces me of how useful and intuitive Keentools's work is over standard motion tracking. And welcome back!

@seankennedy6076 11 ай бұрын

Hahaha, thanks Spencer!

@mrmysteryguest9 11 ай бұрын

So cool, thanks!

@seankennedy6076 11 ай бұрын

Glad you liked it!

@RealAliAbbas 11 ай бұрын

Hey man, thanks for clearing everything !

@seankennedy6076 11 ай бұрын

My pleasure, thanks for watching!

@kieronestrada6402 11 ай бұрын

Just what I needed for my scenes, thank you!!!

@seankennedy6076 11 ай бұрын

Glad you enjoyed it!

@kieronestrada6402 10 ай бұрын

@@seankennedy6076 How do you think this will work for green screen with actor and tracking marks? I've been busy and have not tried yet. @seankennedy6076

@mqbaka 10 ай бұрын

Thanks for the videoooooo.

@seankennedy6076 10 ай бұрын

You're welcome!

@KenanProffitt 10 ай бұрын

Ah super cool, Sean!!

@seankennedy6076 10 ай бұрын

Thanks Kenan!

@DigitalOrigin360 11 ай бұрын

Dude such a great tutorial! quick question does the camera need to be tracked first to later track a moving object in a video?

@seankennedy6076 11 ай бұрын

Nope, it does not. :) And thanks for watching!

@cooliodev 11 ай бұрын

I just learned there was an apply button

@juliengouz 11 ай бұрын

Nice to see a new video from you Sean ! I am not sure in your example what's make it better than a 3d track, but maybe I miss the point... Do you have a clue for that or other usecases ? BTW : It is not a criticism, I love KeenTools, and they do a wonderfull job, I am just wondering !

@seankennedy6076 11 ай бұрын

It's just a different way of doing it. No point tracking. Just place some geometry, refine its position on another frame if needed, and done. Pretty simple solution, but obviously won't work on every kind of shot. It won't replace traditional matchmoving yet, it's just another option, and a very simple one.

@juliengouz 11 ай бұрын

@@seankennedy6076 Oh yes I see ! Thank you Sean for your answer !

@AnimeZone247 10 ай бұрын

@@seankennedy6076 this is great for basic camera shots where it's really blurry, but you're able to see an object. I just tracked a shot that was hard to track using point based tracking, and geotracker tracked it with no problem

@seankennedy6076 10 ай бұрын

That's a great use case! @@AnimeZone247

@imagesh1 11 ай бұрын

Looks like a great tool and appreciate your walk-through, but there's a fundamental issue with starting from your arbitrarily scaled "wall" object that isn't based on accurate set measurements or more importantly, real world proportions; the motion track itself will be distorted to accommodate the random values you started with. This is because GeoTracker is forcing the perspective to match the geometry (not the geometry to match the perspective) and that geometry is 100% guaranteed distorted in scale compared to the actual wall. In some simple use cases this wouldn't be an issue, but in most cases it would. For instance, if there was a perfect cube shaped object in the video scene, and you attempted to model to fit the cube after the track, the cube model wouldn't be a perfect cube, it would be stretched in two dimensions to match the distorted solve.

@seankennedy6076 11 ай бұрын

I agree 100%. The only way around that would be to take precise measurements of the set and model it first from that information, or to use a LIDAR scan or something. There may be some ways to improve the quality of this track using more of the KeenTools options, but it's certainly no replacement for a proper camera track, at least not yet.

@luclenders 11 ай бұрын

Great video Sean. Thanks. I quickly tried it myself and ran into some issues where the geometry would jump away on some frames. Did you also experience this? could be the motion in the video that caused it. Didnt check yet if you can maybe select a motion model or something.

@seankennedy6076 11 ай бұрын

Yeah, if it jumps away like that, it's probably a tracking problem. Hopefully it's fixable with a few manually placed keyframes. I didn't see any different motion models in the options, but maybe it's buried somewhere I didn't look yet. Were you using the same footage I used?

@luclenders 11 ай бұрын

I did use my own footage but its pretty minimal and stable footage. I did do some manual realigning and it helped.The object I tracked also has a slight slope to it. so that that brought on some new issues as well. @@seankennedy6076

@rotofxstudios 11 ай бұрын

You tracked the geometry instead of the camera I guess

@OMTheVASYA 11 ай бұрын

@Sean Kennedy thanks for the guide. Have you ever tracked something filmed on mobile camera like iPhone or Samsung? Cause every tutorial says about solid camera with known FOV and etc. but sometimes it's needed to track from mobile and it's the pain

@seankennedy6076 11 ай бұрын

I don't track camera footage very much. I mainly work on tv and movies, and there is not much shooting done on phones for that kind of thing. Have you tried googling for that info for your phone model? I've done that in the past for old GoPro models and once or twice for an old phone.

@dannybcreative 6 ай бұрын

I track cell phone footage all the time. Google the phone you're using and which lens. Look up the FL for that lens and the sensor size for the phone you're using. I know my iPhone specs for example. Once you have this info, you can enter it into the camera tracker in Nuke, Fusion Studio and even Blender for example and you're good to go.

@user-fh9vq1it8d 11 күн бұрын

Hi! Can I use a 3d scan for better performance? is it possible to get sophisticated camera tracking?

@seankennedy6076 11 күн бұрын

As long as the model is accurate and scaled properly, I'm sure it would work great! As for sophisticated, I'm not too sure. I don't think it would be useful for crazy and fast handheld shots.

@realkut6954 11 ай бұрын

Thank youuu give me i lot tutorial please i love you. Sorry im french

@seankennedy6076 11 ай бұрын

You're welcome! Thanks for watching!!

@brianfedele94 Ай бұрын

is it possible to track vertical video? if I import them they are rotate and I can't find any ways to rotate them

@seankennedy6076 Ай бұрын

Hmm, interesting, I haven't tried it. I feel like there should be a way, since vertical video is so prominent nowadays.

@cgluca 7 ай бұрын

what about if you have a 360 camera rotation around ?

@seankennedy6076 7 ай бұрын

Good question, I haven't tried it with that kind of shot. My first reactions to using it this way was that it would be limited in the types of shots you could use it on, and that's a perfect example. Then again, maybe it's possible? Not sure.

@jamesriley5057 2 ай бұрын

I can't zoom while trying to place the pins, so it's making the process difficult. Anybody got a tip?

@seankennedy6076 2 ай бұрын

Sorry I missed this when you posted! Did you figure it out? is it working now?

@jamesriley5057 2 ай бұрын

@@seankennedy6076 no I can't zoom

@ArtPomelo 11 ай бұрын

Ah jeah deforming geo tracker would be great and a non subscription method.. Thank you for the tutorials.. how would i for example destroy the wall or let it fall over and paint out the wall in the real footage?

@seankennedy6076 11 ай бұрын

That's a larger tutorial! And a good one, I should do something like that.

@ntshgoku 11 ай бұрын

cool feature it's free addon or paid?

@SpencerMagnusson 11 ай бұрын

From the link in the description: "Do I need a subscription for GeoTracker for Blender? Not for the GeoTracker add-on itself, but for the tracking module of KeenTools Core library. However, while GeoTracker is in free beta, the tracking functionality of the Core Library doesn't require a subscription. Once free beta is over, you can use it without a subscription for 15 days after the first launch with no restrictions or limitations. After that you'll need to subscribe."

@seankennedy6076 11 ай бұрын

Free right now, will be a paid add-on later. On my channel, however, I do have some older tutorials posted on matchmoving by hand, if you're looking for the free way.

@user-zd7cq8xq7y 5 ай бұрын

hi can u make a tutorial where u can track the ground and also the object camera tracking object and ground same time ?

@seankennedy6076 5 ай бұрын

Sure, I'll put it on my list!

@user-zd7cq8xq7y 5 ай бұрын

@@seankennedy6076 hi please sire can you do this ?

@seankennedy6076 5 ай бұрын

@@user-zd7cq8xq7y I won't be able to get to it for a while, but if you watch my tutorial on this channel, you should be able to do it. I have plenty of tracking tutorials that will show you how to track the ground. Once you do that, simply choose your tracked camera as the camera when doing your Keentools object track.

@user-zd7cq8xq7y 5 ай бұрын

@@seankennedy6076 so you saying to track the ground in native tracker. and then use geotracker to track the object. but my concern is the focal lenght we have to put same focal length for both oh...... i get it i try it

@seankennedy6076 5 ай бұрын

@@user-zd7cq8xq7y yes, try it, it should work just fine.