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Old January 31st, 2005, 08:07 AM   #1
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Black and White with Colored Object effect?

Eh, Catchy subject? If I made it any longer it would be a full post. haha

Anyway, I have noticed some films that are done in black and white and they have certain objects that are colored. If any of you have seen then new Sin City trailer you will know what I am talking about.

I ran upon a tutorial for this effect a pretty long while back, before I saw the Sin City trailer and I was going to try this out. Time passed and I lost track of the tutorial and then I saw the Sin City trailer and it refreshed my interest in trying this effect out. The tutorial I found was for After Effects I believe but searching for "Black and White with Colored Object effect?" on google wont find it. Im not sure what the correct term for the effect is so I was hoping someone around these forums would!

Thanks for your time,

Travis
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Old February 1st, 2005, 12:53 PM   #2
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Try here: http://www.creativecow.net/articles/aftereffects.html

This is tedious but when using the paint tools as a mask for saturation the result should work.

Or this:http://www.wrigleyvideo.com/videotut...o_blurface.htm

Not really rotoscoping but related idea.
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Old February 2nd, 2005, 03:47 PM   #3
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If wanting to avois animating masks, I have found ofen a second layer of the same clip with a luma or chroma key provides interesting results. Say if a property was bright red and nothing else in the scene is, you can key that in just fine and save hours of rotoscoping time.
Still, I spend alot of time in animatte and wouldn't wanna be without it.
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Old March 18th, 2005, 08:56 PM   #4
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Actually

I have some stuff i did back when i was still using consumer dv cams. let me see if I can find it and ill post a link to it for ya. if this is what you are looking for let me know.

Edit:

Ok here are the links:

This was my first attmept at bw+color affect

http://homepage.mac.com/neocastillo/Color

This is the second attempt and I learn that it wasnt too hard to key a moving object ot a color with some carefull planning. Keep in mind this one done with a 5 year old dv cam from Best Buy.

http://homepage.mac.com/neocastillo/Color/page1.html
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Old March 18th, 2005, 09:44 PM   #5
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A lot of color correctors have secondary correction features, which lets you limit the color correction (i.e. de-saturation) to colors based on hue, saturation, brightness. Most also have an invert function, so use that to de-saturate everything except for a particular color.

The secondary CC filter in Vegas has an alpha/transparency option, which allows you to stack video tracks onto itself to pass through multiple colors. (Chroma keys may be able to do this too.)

2- Of course masks are another way to do things. Some programs have motion tracking, which may make things a little easier.

Schindler's List and Pleasantville also have this effect. If you search for "Pleasantville effect" you might also turn some stuff up. I know there are Final Cut tutorials for the Pleasantville effect over at kenstone.net .
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Old March 18th, 2005, 10:26 PM   #6
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Thanks for you help!

I did a little searching and theres a little filter in Premiere called Color Pass. It does just what I wanted to do. It's a little tricky depending on your shot and how much of a difference the shades of certain colors are. Works great none the less.

If you guys ever need that type of shot Color Pass is the way to go, if you use Premiere.
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Old March 18th, 2005, 10:43 PM   #7
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Thanks for you help!

I did a little searching and theres a little filter in Premiere called Color Pass. It does just what I wanted to do. It's a little tricky depending on your shot and how much of a difference the shades of certain colors are. Works great none the less.

If you guys ever need that type of shot Color Pass is the way to go, if you use Premiere.
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Old March 22nd, 2005, 08:06 AM   #8
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Hey COOOOOL!!!! I almost forgot about that effect. I remember there was a lot of music videos in the 80s that used that trick. I think that you can do just the opposite too where you make everyone and everything in color except one person. I believe that they dress the person in blue and put blue make-up on all exposed skin (face and hands) and then put black and white and aged effects to make it look like someone from a nostalgic black and white film is among the rest of the cast in a scene. They did that on "In Living Color" in the late 80s and early 90s. Does anyone remember that? The girl on that show was the black and white nostalgic movie character in a restraunt scene acting as they did in movies from the 30s and 40s and people in the restraunt were from the present time period. I thought it was neat. Has anyone here ever tried this??
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Old March 22nd, 2005, 08:25 AM   #9
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Absolutely I remeber the Living Color Skit. I've been dwelling alot about this recently also. Someone touched on it briefly above. What if you wanted to have everying in color except for an object? From my limited knowledge of poking around with color pass I'm not sure if it's the right filter to use for an inverse effect. Any suggestions for keeping everything but one object in color?
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Old March 23rd, 2005, 03:15 AM   #10
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Chroma key where you set the color to something else?
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Old March 23rd, 2005, 08:07 AM   #11
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Chroma Key is where you get rid of a color and allow something else to show through where that color had been. (Think "green screen").

In Vegas, the color pass is done via the secondary color corrector. I have also written a newsletter article explaining how to pass multiple colors in Vegas.
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Old March 23rd, 2005, 08:33 AM   #12
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Thanks much for the scripts Ed these will help out a ton.
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Old April 1st, 2005, 01:43 PM   #13
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color pass

hi everyone: is there a filter similar to color pass In after effects.
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Old March 11th, 2006, 09:38 PM   #14
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I've been testing out this effect today, and while it's obviously not perfect or anything, I'm gaining an understanding of it.

Here are my first two color pass effect "tests":

In the first video, I took four different pieces of colored paper, and tested it on a building. It's jerky because I didn't plan on uploading the jerks, but since it shows a tiny bit of sky, I kept it in. In the second clip put together about an hour after the first, I circled a trampoline with a blue trim using a lower shutter speed (just for a different visual effect). In that one you can see that as I circle, the light alters the color pass effect:

http://www.youtube.com/watch?v=27KQr3x5deI

http://www.youtube.com/watch?v=kTUZ7V0SZq0

I am doing this in Sony Vegas 6, and as stated before, the color corrector secondary correction does the trick. I just started to learn about this today, but you just need to keep fine tuning the settings/sliders until you get the exact result that you are looking for.

If anyone else has any tips on how to make it look better, let us know.
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