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Thread: Question on how to make the video background black/white?

  1. #1
    Join Date
    Jan 2008
    Posts
    4

    Default Question on how to make the video background black/white?

    hi everyone! i'm new here and i'm sort of new to vegas.
    i've been able to make plenty of decent videos with the program. i have vegas 6. but i'm trying to figure out a way to show the people in color and the background black and white. is there a way to do that? i've seen it done before...i've looked through all my effects and can't find anything that'll do that.
    please help me i have to know if it can be done or if i'm just wasting my time. :(

    thanks for listening!!

    Stacia

  2. #2
    Join Date
    Sep 2006
    Posts
    2,400

    Default

    The chances are that the background will also "hold" similar colours as the people: Reds, Greens Blues . . Now if you had a monotone BG which wasn't within the people's colour range then you could have a stab at it. there would even be a possibility to do this if the Levels of the BG were sufficiently different. Another way would be to use the secondary colour corrector to select colours from the FG to be picked - the RED rose on a brides monotone dress and BG - but here, with much similarity in foreground and background?

    Another way, which I have been experimenting with lately is to use the Difference option. Luckily I had a locked-off shot and had some static footage of the scene WITHOUT people walking through it. I then used Vegas to apply a Difference compositing mode to compare and separate the BG. I could then apply a further FX to another BG and had real people walking down a kinda cartoon staircase. But I'm not thinking you have this option available to you?

    I've run out of options/ideas. Again, try the secondary colour corrector and grab a whole bunch of the bg and see if that masks nicely . . .

    Then there is Bezier masking OUT the BG and floating this OVER a monotoned BG? Depends how accurate you wish to be?

    Grazie

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