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Activity Forums DaVinci Resolve Removing Dead Pixels

  • Removing Dead Pixels

    Posted by Ben Edwards on May 1, 2013 at 8:30 pm

    Hi, thanks for everybody’s help so far.

    One on the cameras the footage was shot on has dead pixels (which show up as white spots). Its a dance pice in a theatre so the background it black. Was wondering if it was possible to set a qualifier on white pixels so I can turn them down. Tried but no luck. Cant use hit them with picker, if I zoom in enough to get then they are off screen (shame you cant scroll around window when it is zoomed in.

    Any ideas?
    Ben


    Ben Edwards – Freelance Picture Editor
    https://www.funkytwig.com

    i5 550, Windows 7 / Mac Lion, Nvida 550 Ti, 8GB Mem

    Eli Bierwag replied 12 years, 9 months ago 7 Members · 7 Replies
  • 7 Replies
  • Rohit Gupta

    May 1, 2013 at 10:52 pm

    You can use the middle mouse press and drag to scroll around the image.

  • Ben Scott

    May 2, 2013 at 9:45 am

    have a look at boris BCC effects they have a pixelfixer

  • Neil Patience

    May 3, 2013 at 12:44 am

    Hi Ben

    Digital Heaven have a pixel fixing plug-in for FCP4-7 and FCPX called Reincarnation. If you use those editing platforms worth a look. Its $59.00US

    https://www.digital-heaven.co.uk/plugins

    best wishes
    Neil
    http://www.patience.tv

    8 Core MacPro, Kona 3, Tangent Wave, Mackie Universal Symphony 6.5 FCP7
    i7 2.7 Gig MBP (non retina) 16Gigs Ram Blackmagic Monitor Mini Symphony 6.5 FCP7

  • Joseph Owens

    May 3, 2013 at 3:17 pm

    [Ben Edwards] “Was wondering if it was possible to set a qualifier on white pixels so I can turn them down.”

    Stuck pixels don’t move around (but moving objects in the picture content obviously complicates the correction) so what I normally do is crate a teensy weensy power window and set a blur so that the pixel is naturally migrating towards whatever the adjacent pixel values are.

    This approach breaks down whenever an edge crosses the qualifier, so it requires a keyframe/tweak. So the technique either works a treat or (depending on picture activity) is more trouble than its worth.

    However, it doesn’t require any plugins or roundtripping pass-back and forth.

    jPo

    “I always pass on free advice — its never of any use to me” Oscar Wilde.

  • Ben Edwards

    May 3, 2013 at 6:41 pm

    Thanks, will give it a try, nice solution. Pitty there is more than ong;).


    Ben Edwards – Freelance Picture Editor
    https://www.funkytwig.com

    i5 550, Windows 7 / Mac Lion, Nvida 550 Ti, 8GB Mem

  • Alan Gordon

    May 15, 2013 at 10:21 pm

    THIS is changing my life forever! Wish I knew about this years ago!

    Thanks!

    -Alan

  • Eli Bierwag

    July 11, 2013 at 6:17 pm

    I use your power window technique as well, but I usually do a noise reduction rather than a blur. Blur is less resource intensive (won’t slow down the machine) but NR will be less visible.

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