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Thread: A bit of a challenge!

  1. #1
    Join Date
    Oct 2004
    Location
    Edinburgh
    Posts
    134

    Default A bit of a challenge!

    Hi,

    I have a shot of a car driving up a road at quite a slow speed. Is it possible using premiere pro or after effects 5.5 to make the shot black and white but keep only the car colour? I realise that this is probably quite an advanced effect but thought I would ask anyway!

    Thanks

    nick
    Full Specs: 3.2 Pentium 4 Processor, 1Gb RAM 80Gb Root Drive, 120Gb Video Drive + another 160Gb external, Adobe Premiere Pro, Pinnacle liquid edition pro, ati radion 256mb

  2. #2
    Join Date
    May 2004
    Location
    New Zealand
    Posts
    21

    Default

    I don't know if this would work, but maybe place a matte on the car, apply to BW effect to everything but car, then use transform filter/keyframing to make sure the matte stays with the car as it moves?

  3. #3
    Join Date
    Oct 2004
    Location
    Edinburgh
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    134

    Default

    Ok thanks i will give that a try

    Nick
    Full Specs: 3.2 Pentium 4 Processor, 1Gb RAM 80Gb Root Drive, 120Gb Video Drive + another 160Gb external, Adobe Premiere Pro, Pinnacle liquid edition pro, ati radion 256mb

  4. #4

    Default

    in After effects there's something called "leave colour", it's in the Stylize menu I think. You could try fiddling with this effect to leave just the cars colour, although it would be hard if it's Blue or green and there's sky/grass in the shot too.
    Panasonic SD9, Panasonic NVGS-75, Canon MV600i

  5. #5
    Join Date
    Dec 2004
    Location
    Middlesbrough
    Posts
    21

    Default

    Only real way to do this accurately is to rotoscope the frames in After Effects using either an animated mask or vector paint matte.
    - Join the Secret 7000 -

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