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Old November 19th, 2004, 02:54 AM   #1
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Pure White Room technique

Hello all,
I am curious...have you ever seen the commercials and in movies when they feature someone in a pure, white room..
You cannot distinguish from the walls, ceiling or floors...just pure white around the people.

What techniques do they use to do that?

Thanks..
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Old November 19th, 2004, 03:27 AM   #2
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use a white room and then just white out any lines or whatever using a garbage matte in post... atleast thats probably what id do... it may not be the best thing you could do but id work.
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Old November 19th, 2004, 08:39 AM   #3
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Another thing you can do is over expose the background by putting a lot of hard light on it.
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Old November 20th, 2004, 12:25 PM   #4
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If you are looking for that 'bloom' effect that washes everything out I would be carefull with this and make sure you do a fair number of tests first.

You may find that you will want to shoot it and then add the bloom in post so you can control it better.
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Old November 20th, 2004, 04:46 PM   #5
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Try going to http://dvcreators.net/lighting/
They have a DVD called Enlightenment and along with lighting techniques, they show how to create the white room your talking about as well as a black room.
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Old November 21st, 2004, 12:56 AM   #6
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The easiest way is to shoot at a studio with a hard cyc, i.e. a wall with a curve at the bottom. You can recreate this for a product shot or other small elements with a roll of white paper held on stands and pulled out to create that gentle curve.
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Old November 22nd, 2004, 07:36 AM   #7
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Green/Blue screen? Then drop in a white background?
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Old January 2nd, 2005, 12:26 PM   #8
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What they actually do is use the screen that most sound stages have in the background. It is completly white, painted a few times a year. It curves from horizontal to vert, so there is no line or crease. It has lights being shot at the wall to further the white effect, and of course this makes for a great color on the person infornt of it.
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Old January 2nd, 2005, 12:49 PM   #9
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For The Matrix they said they just filmed people with a white background and removed shadows in postproduction...
Don't know if this helps.
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Old January 3rd, 2005, 04:51 AM   #10
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If I'm not mistaken such a screen is known as a Cyclorama (ie, no
lines to see etc.)
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Old January 12th, 2005, 04:24 PM   #11
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Go to this page http://www.dvcreators.net/products/sav.html

and click on Demos on the right side.

I lit that.

We rented a white paper seamless backdrop which goes all the way to the floor, under the talent and to the camera. Once we got the wide, full body shots, we cut a hole where the talent stands to avoid any paper rustle being picked up by the shotgun mic for the rest of the takes.

There are two 750W tota lights on each side, low on stands at a 45 degree angle off to the side and pointed slightly upwards. They are a couple of feet away to "blow out the background" with a low F-stop (use your cameras zebras at 90 to judge exposure and make sure it is evenly lit). Of course the talent is a few feet from the background and is lit with a separate softbox.

It's a cool look, easy to do. Even easier if you can shoot from the waist up, just use two tota's and a white wall in you or friend's living room.

Have fun!
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