CGTalk - Porsche Matchmove

Shademaster

10-10-2008, 11:39 AM

Hiyall!

I bought Syntheyes last week and decided to put it to the test! I shot at 1/500th shutterspeed to get a clean track, I then used cameramapping and an interframeinterpolation trick to add correct 1/50th 3D motionblur to the model and the plate.

I used Cinema4D and hand animated the car using a basic soft IK and wheel rotation Xpresso script.

The reflection is a bit scrambled near the end of the movie, I figured a way to fix this fortunatly :).

The shot was filmed with a Canon HV20 (excellent cam!) set to 1/500th sutterspeed, handled extra crappy to get difficult to track motion and I shot a HDRI panorama on scene to get correct reflections.

http://www.c4real.eu/daan/porsche_matchmove.jpg

1080p version:
http://www.c4real.eu/daan/porsche_matchmove_1080p_h264.mov

720p version:
http://www.c4real.eu/daan/porsche_matchmove_720p_h264.mov

480p version:
http://www.c4real.eu/daan/porsche_matchmove_480p_h264.mov

Cool thing is I see so many new possibilities for a cool story/showcase/whatever animation!

We have an excellent camera in house and we can track a lot of shots with it, using Syntheyes matchmoving goes blazingly fast (faster than half realtime on my octo mac) and the results are easily imported into Cinema4D!

For a second matchmove test ever I am very pleased! :buttrock:

I'd like to hear your opinions!

leeanderson

10-10-2008, 11:15 PM

Amazing.
Perfect tracking, lighting, perfect everything.
:thumbsup:

Shademaster

10-11-2008, 08:58 AM

Amazing.
Perfect tracking, lighting, perfect everything.
:thumbsup:

Thanks man! On another forum they had some complaints about the van not being photoreal, they couldn't believe it was filmed haha!

I do see some inconsistencies in reflection and groundshadowcolor. I am going to try something a bit more ambitious next time around to see how far I can go with this.

Thanks again!

elirender

12-07-2008, 09:25 PM

stoiQa

12-09-2008, 05:17 PM

......interframeinterpolation trick to add correct 1/50th 3D motionblur

can you develop on this part....I had my animation in C4d and exported for editing...just to notice that I now have some weird looking overlapping frames in my render

sakroda

12-15-2008, 01:27 PM

which camera did you use for this shot?
thank you.

DonaldStrubler

12-16-2008, 05:01 AM

match is really nice.

The one thing i noticed(presumably from your projections) is that there is a weird reflection that seems to match the vans movement at the end of the shot at the front right bumper region.

Otherwise, looks straight.

Good work. :scream:

Shademaster

12-16-2008, 09:53 AM

which camera did you use for this shot?
thank you.

Thanks man! I used a Canon HV20. GREAT cam! Check out the vimeo.com group of it or www.hv20.com .

Best $700 I ever spent.

Shademaster

12-16-2008, 09:54 AM

Amazing work.

I'm planning something like that with my (unfinished) gallardo.

P.S.
How do U track the video, if not secret?

http://img370.imageshack.us/img370/7504/583lv5.th.jpg (http://img370.imageshack.us/my.php?image=583lv5.jpg)

Check out www.ssontech.com . They sell Syntheyes, that's the software I used.

Cool Gallardo man! Looks slick!

jfalgout

12-27-2008, 11:14 PM

Your track is spot on and your comp is great, but you forgot to comp in a driver. I noticed it immediately and that really broke the illusion for me. If you're going to show this to any potential employers it might be something to think about.

One minor thing I didn't quite understand is the moving reflection of the van on the front bumper of the car when the van is on the opposite side. I didn't catch it the first time around though.

Great project

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12-27-2008, 11:14 PM

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