Chroma Key light changing

[yellowjessy]

Hi, im a filmaker for videos. I created this music video for the artist Khappa using many 3D and chroma techniques.
For next future works i would like to use a system wich can change lights on the actor according with the 3D background lights.
Do you have any ideas?
Thank you guys...

[smrpix]

edit: Oh, you're not really asking for advice, you're looking to boost views.

Coordinate on set practicals to match 3D background or adapt your 3D background to match on set practicals. Either will work. If you want total freedom in post you're into "Avatar" territory.

[yellowjessy]

Thank you for reply, oh matching 3D bg is a very hard works... hoping a different real illumination techniques.
What's "Avatar" territory?

[yellowjessy]

any 2D expert in composite tech?

[Cornucopia]

Plenty. What did you want to know (that you weren't already told)?

Scott

[yellowjessy]

I just have to create same illumination in 3d background and 2d real world (chroma)...
What are the best techniques to do this?
What kind of gear should i use?

[Cornucopia]

Real world: DPs,KinoFlo's, Chimeras, and similar light kits. Positioned to give the same illumination on the subject that you intend to have perceived by the background. Probably controlled by a lightboard (so it can be set & reset with the exact same timing). In addition, use even flood lighting on the greenscreen (background).
Then, 3D: Use Blender, Maya, etc and match the positioning, throw and illumination with what you created in the real world (including timing & movement if necessary). You can, of course, cheat a little and use some hidden lights, global illumination, environmental maps, etc.
Then, composite: Use Blender, Adobe AfterEffects, Apple Motion, Nuke, etc and overlay the realworld on top of the 3D background, using multiple blend modes (it helps if you render different blendmode passes from your 3D app).

It's all about planning ahead.

What you've got right now doesn't match one bit. the "light glow" surrounding the subject might fool a newbie, but none of the positioning & throw matches, so it's clearly a FX plugin tacked on. There's also no consistency between the exterior, cg footage (bryce?) and the "music video" chromakey posturings, and the actual location/interior "story" footage. Lots to improve.

Scott

[yellowjessy]

thanx man, no problem concerning 3D experience and practice, its been regarding real world... but we will try with Chimeras! im gonna get some info, thank you!!

... and pls comment the video shown above on youtube if you want!!

[poisondeathray]

What you've got right now doesn't match one bit. the "light glow" surrounding the subject might fool a newbie, but none of the positioning & throw matches, so it's clearly a FX plugin tacked on. There's also no consistency between the exterior, cg footage (bryce?) and the "music video" chromakey posturings, and the actual location/interior "story" footage. Lots to improve.

Agreed , even the basic key has problems . Work on fixing the edges, preserving edge etail - and at least match the lighting if you're doing some effects it in post (blue lighting, purple/magenta glow??)

[yellowjessy]

well, did you try to watch the video in HD resolution? The basic view in youtube is not in HD format...
However, thank you very much for help