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Activity Forums Adobe After Effects Help with white balance in after effects

  • Help with white balance in after effects

    Posted by Gemmr84 on February 24, 2006 at 4:13 pm

    Hi, I have a presentation on video with a man standing in front of a projector screen. Its great, only problem is the screen is not very clear at all. I’ve played around with the contrast and brightness etc, but not getting anywhere. Can anyone help??

    Immanuel Morales replied 18 years ago 4 Members · 4 Replies
  • 4 Replies
  • Jim Kanter

    February 24, 2006 at 5:07 pm

    What do you mean by “not clear”? Blurred? Washed out?

    Jim Kanter,
    Digital Film Institute
    http://www.dfilminst.com

  • Gemmr84

    February 24, 2006 at 5:15 pm

    The image on the screen is barely visable. You can see the white screen but the image projected onto the screen is washed out. I didnt know if i could maybe tone down the white??!! Im still new to After Effects so please bare with me :0)

  • Steve Morris

    March 17, 2006 at 7:47 am

    I think I know what you mean. I created a similar video. However, I went about it completely different. I wanted to video someone giving a Power Point presentation. The best quality came from having the person give the presentation infront of a blue screen. I then used screen capture software to capture the Power Point presentation. I then put it up behind the person. This makes for sharp, bright video image behind the person. Maybe it is still possible for you to accomplish this, if you have access to the image on the screen.

  • Immanuel Morales

    August 20, 2008 at 7:17 pm

    hm, start out with your projector footage clean; now try this

    1. duplicate your projector footage and put it on top of your foreground object
    2. duplicate your foreground object and put it on top of the duplicated projector footage layer
    3. change the track matte of your duplicated foreground object to “alpha inverted”
    4. apply a fast blur to your duplicated foreground object and set it to about 50
    5. change the blend mode of your duplicated projector footage layer to “add”
    6. change the opacity of your duplicated projector footage layer to a low value

    if you did it all correctly then it should give your screen a glow and your image should be clear

    if your footage is simply bad and you need to repair it, try using the “Levels” effect and play around with the little triangles in the graph until your image looks ok. If it’s that bad to begin with, you may find you need to get better projector footage.

    hope this helps!

    Darqlight on the Rise…

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