light up only the face in video

Discussion in 'Amateur Video Production' started by liu, Oct 4, 2006.

  1. liu

    liu Guest

    Because the backlight, the talking head is a little too dark althgouh
    the rest objects in the video are fine. The face is generally at the
    same location. Is there a way to mask the head and use level or curve
    to make the face brighter?

    I have access to Premiere Pro and After Effects.

    Thanks for the help,

    liu
     
    liu, Oct 4, 2006
    #1
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  2. liu

    David McCall Guest

    If you are looking for simple, I can't help you much.

    I don't know current versions of Premiere,
    but I would use Aftereffects anyway

    In Aftereffects you might duplicate the layer
    add a mask to the layer
    select mask shape and make it an oval of the appropriate size
    move the mask to the face and
    adjust the shape to fit the head (more points might be needed)
    Go to the mask on the timeline and feather the edges
    Apply the desired effects to the layer with the mask
    You might have to animate the mask shape to track the head

    David
     
    David McCall, Oct 4, 2006
    #2
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  3. liu

    Ray S Guest

    Exactly. And you should be able to do that in most of the NLE's as well.
     
    Ray S, Oct 5, 2006
    #3
  4. liu

    David McCall Guest

    The advantage of After Effects over some NLEs is that you can make the
    mask as complex as needed and you can animate the shape over time.
    Some NLEs only give you a circle (or oval at best), and then all you can
    do is move it around.

    David
     
    David McCall, Oct 5, 2006
    #4
  5. liu

    Ray S Guest

    No question about that, however, I rarely mention After Effects to
    someone who is asking about how to do an effect that is clearly on the
    early part of the learning curve to composite work. After Effects is
    really quiet daunting. You just can't leap in and come out with an
    animated mask a couple hours later. For this same reason I didn't
    mention how they could experiment with transfer modes on that effect as
    well.

    I won't even mention that you really are not going to plunk down a big
    chunk of change to buy After Effects unless you really really liked to
    spend lots of time doing composite work. I've been using if for a couple
    of years, and basically, I still don't know squat.
     
    Ray S, Oct 6, 2006
    #5
  6. liu

    David McCall Guest

    All good points.

    I don't remember when I started using After Effects but it was while the
    Amiga was still alive :), And I still feel like I don't know squat. I feel
    that
    way about Lightwave, and I've been using it since the orginal Video Toaster
    came out.

    I guess I mentioned After Effects because He said that he had access to
    AE so I wanted him to know that it was a suitable tool for doing what
    he wants to do. I'm not aware of a good way to do the job in an NLE.
    Perhaps it would encourage him to look into learning the program.

    David
     
    David McCall, Oct 6, 2006
    #6
  7. liu

    Ray S Guest

    Ah, missed that part where he said he had access to AE. Still, having
    access and then getting over the initial shock when you fire it up and
    go - whoa! I have NO idea where to start! :)
     
    Ray S, Oct 6, 2006
    #7
  8. liu

    David McCall Guest

    I hear that. It isn't that any specific process in AE is so difficult, it is
    more
    that it does so much that it is hard to find what you are looking for.

    David
     
    David McCall, Oct 6, 2006
    #8
  9. liu

    Ray S Guest

    I'm going home right now and give my After Effects In Production books a
    big hug!
     
    Ray S, Oct 6, 2006
    #9
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