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Need a suggestion from the pros

318 Views 5 Replies Latest reply: Dec 9, 2012 8:15 PM by TacosAreDelicious RSS
mcdanli Level 1 Level 1 (0 points)
Currently Being Moderated
Dec 7, 2012 4:37 AM

Shot a speaker in his office.  Lighting and sound excellent.  I made 1 huge mistake.  I left his computer monitor on and it's next to him in the shot.  Since monitors refresh constantly there is an annoying flicker right beside my speaker.  Re-shooting is not an option.  I've tried to create a bezier in motion and replace it but going frame by frame because my speaker moves ever so slightly is not clean enough.  Anyone have a suggestion?  The up side is I won't make this mistake again.



g5, Mac OS X (10.5.5)
  • Michael Grenadier Level 6 Level 6 (19,805 points)
    Currently Being Moderated
    Dec 7, 2012 6:26 AM (in response to mcdanli)

    Are you just trying to freeze or replace the computer monitor?  Motion should be able to track the computer monitor and replace the screen image or treat it to remove or reduce the filter. 

  • Michael Grenadier Level 6 Level 6 (19,805 points)
    Currently Being Moderated
    Dec 7, 2012 6:38 AM (in response to mcdanli)

    Motion or After Effects are the tools to do this.  Neither are particularly easy to learn.  Was the camera locked down on a tripod?   I just meant finding a clean frame of the monitor, exporting it, bringing it into photoshop and cutting off the background and bringing that into fcp and editing it onto a higher video track.  Adjusting the crop when the speaker moves in front of it will be the problem. 

  • TacosAreDelicious Calculating status...
    Currently Being Moderated
    Dec 9, 2012 8:15 PM (in response to mcdanli)

    Any chance you could chroma key it? In your editor put the original footage on the bottom, then your clean frame of the monitor, then a duplicate layer of the original footage. Use a chroma keyer to isolate the speakers clothing. (Select the color of the clothes and invert the mask. I think you need to clock the triangle in the lower left of the effects panel and there's an option to invert the mask there.) That will overlay the presenter's clothes over the monitor and depending on how the shot is composed should do the trick.


    I would definitely use a frame of the monitor on, though. If you use a black frame it could look unrealistic for a few reasons. First you will have light coming from the monitor, but it will be off. Things will be illuminated by a monitor that has been blacked out in editing. Also, unless you're willing to spend a while texturizing and doing lighting, it probably just won't blend in with the lighting in the room. You'll have a pitch black box where there should be reflections and highlights from other lights in the room.


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