Is it possible to create copies of one person in a scene with the program? What about replacing the person with a different object?
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Is it possible ?
Yes
Is it possible with Premiere ?
Possible in some circumstances, but you would have to plan for it
Is it easy ?
Even with specialist software, doing it well is an art form. Doing badly is simple.
If you want to have multiple instances of a person in a scene, then best method is to shoot the empty background plate first, then shoot the person doing various things in front of a green screen, then compositing them into the scene.
If the scene is simple, you might just have them do actions in one half of the frame, then in the other half, then do a split screen afterwards.
Replacing a person with an object is most simply done using green screens and compositing.
Premiere (and in fact most editors) will do basic compositing effects, however their keying software tends to be crude and lacks the ability for fine adjustment. This is especially important for DV footage, which is difficult to key nicely with basic software. You need to look at effects software to get the best out of it - after effects, FXHome, Combustion, Fusion are all designed to do these types of effects.Read my blog here.
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Is it required to have a green screen? how would i do it. Is a green screen something with a green background or is it possible just to cut out the person and place them on a green screen?
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Look up "Chroma Key " this is a basic video technique but usually not for beginners.
Google "Chroma Key editors" there is even a free one. -
Originally Posted by vipertongn
In laymans terms the idea is you have one color you want to remove it from the frame, you tell the editor to remove that color from the frame. Simple as that. Note that you want a uniform color, well lit with no shadows. -
Note that I am a beginner and its just me starting out and doing this so telling my editor to do something like this is a bit difficult since the editor is me. I'll try it out.
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Green works best for typical Y,Cb,Cr consumer camcorders. Blue or Green work for RGB cameras or film.
http://store02.prostores.com/servlet/tubetape/StoreFront
http://www.prostudiousa.com/Chroma-Key-Items-C35.aspx -
Originally Posted by vipertongn
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is it possible to use a program to make the green screen? suggestions?
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Originally Posted by vipertongn
Studio cameras produce RGB out so blue can be used.
Look at the monitors at the top.
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Originally Posted by vipertongn
Then the new backround is added in the areas not defined by the "alpha".
Picture 1: desired background
Picture 2: person in front of chroma key background
Picture 3: the resulting "alpha"
Picture 4: the composite
Background shows where alpha is black.
http://www.cescg.org/CESCG-2000/GBlasko/index.html -
This is basic and used all the time. That is how the TV weatherperson stands in front of the maps and other video. This is described in the manuals (What are those) for your editing program. You can buy the chroma key screens, backdrops, cloth, etc. Blue was the standard because it was a pleasing background and not offensive. That has changed because anchors like wearing blue. Green was used less often and bright green is the main standard used. Keys better, also.
As gunslinger mentioned in the beginning, simple if you plan for it. Not so much if you don't.
This concept is used all the time in television, movies, and production work, especially commercials and promos. -
Originally Posted by vipertongn
x size, rotation, center of rotation, etc.
y size, rotation, center of rotation, etc.
all variable plus motion paths controlled by key frames and spline variables.
You need a tutorial package for Premiere Pro. Try Total Training.
http://www.totaltraining.com/prod/adobe/premierepro2.asp -
Originally Posted by kimco52
Y = 0.299R + 0.587G + 0.114B
Blue extraction is limited to the resolution reduced CbCr. This causes green to be the key color of choice in YCbCr format. Blue is more pleasing color to work in 8 hours a day so is still used in TV studios and film sets. Green is mostly used for video/film effects work to get performance advantages. -
so then how do you add animations into the videos then?Read my blog here.
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but if you create animations how do you combine the rendered movies with the movies captured on video with premiere?
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Originally Posted by vipertongn
Sample image below to try it out.
smoke.tga
For creating simple animations I'd suggest Ulead Cool 3-D , note that this or any animations program for tha matter is not easy to use.
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