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I think there are probably more ways than shallow DOF to achieve the end result of DOF, if that makes sense.
Obviously, shallow DOF helps to draw our eyes to a particular subject within the frame by isolating that subject by its sharper focus. But, for me at least, the thing that stands out the most in this equation is the "draws the eye" part. Aside from shallow DOF there are other ways to achieve isolating your subject that are related more to lighting, color palette and composition. Remember, cool colors recede in an image and warm colors pop forward. (I think this ties into the 3D eye-wear stuff for 3D movies, perhaps?). You can isolate your subject this way if the story or moment allows. Strong compositions can also be utilized to move our eyes to a particular point on the screen, same with lighting. Shallow DOF is a very powerful device,I use it myself and who wouldn't if they could, but it's not the only tool in the tool box to achieve the desired effect in question in cinematic storytelling. |
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But as far as creating a feeling of depth in an image without utilizing focus, Eric Brown said it great. Quote:
But without seeing it I would assume you'd have to mask off the parts you wanted to separate. |
I don't use any of that software but I wish I knew how. Here is a link to some demos of what I am talking about but with still images.
Post with demos http://www.dvinfo.net/conf/showpost....69&postcount=7 Thread www.dvinfo.net/conf/showthread.php?t=46901 |
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http://www.reiji.net/ff-e/ |
Ooops. I thought he was talking about After Effects and Photoshop. Oh well, those demos show how it can be done with these tools.
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Here's a video where we did all the DOF in post production, in After Effects. The video is all greenscreen, shoth with Sony HDR-FX1, and the BG's are 3D. In some shots, we used hand drawn masks for the DOF areas.
http://www.poetsofthefall.com/videos/lift/ |
Eki, that's extraordinary work. Can you give some more info about the production? And ALL of the backgrounds were green-screen, so you tracked them when the camera moved (some closups of the singer seemed fairly complicated)?
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you do not need green screen.
use Mokey to have background and subject separated, then recomposite using the mask+blurr. with mokey you can track a full scene with 5 mouse clicks. |
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There were four kinds of camera motions in the video: 1. Real camera moves with track / dolly / steadicam, tracked in 3D, with the 3D camera matched to the real camera move (most moving wide shots). 2. Real camera moves with track / dolly / steadicam, with a single frame of the BG rendered in 3D, tracked to match camera moves in 2D in after effects. 3. Full 3D animation camera moves, with the talents shot with locked off camera as separate elements and used as "cards" in 3D environment. 4. 2D moves in AE, shot with locked off camera. Motion parallax makes even these look pretty much like real camera moves. |
Wow. Very nice.
Sean McHenry |
Erik, settings?
Erik, can you tell us the original setting used on the FX1 while shooting?
Be as detailed as you can. Thanks in advance!! |
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Settings (as far as i can remember): HDV 50i Cineframe OFF Cinegamma OFF Black stretch ON Gain OFF Tungsten preset WB Shutter 1/50 Skin detail etc. OFF (We did heavy smoothing on esp. the female face in post though) Detail 5 (i was overly conservative, 8 would have been better it seems, after doing more testing - i was overly afraid of sharpening artifacts) The iris was wide open, we adjusted the lights to match... Lighting was done with one big (roughly 7mX7m) butterfly diffuser on top of the stage on all shots, lit from above. No additional lights i recall. This was half artistic and half logistic decision: we only had one day to shoot the vid, this worked well enough on all shots, from all angles. We used green screen - due to the way mpg2 compression works, it's MUCH better than blue. See this: http://www.kolumbus.fi/erkki.halkka/...nd_keying.html |
Yo Eki,
I think you're following me. Anywho, you were using a HVR-Z1. The FX1 doesn't have black stretch. |
Isn't being Swedish and being Finnish basically the same thing?
:ducking: |
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...yep, it was HVR-Z1. I always get those two mixed up in my head... edit: sent too soon, forgoth the 2nd quote... |
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