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  • Posted by Alon Hammer on October 23, 2009 at 1:08 pm

    I have footage of a guy with a logo on the back of his shirt.

    I want to remove the logo and add a different logo.

    So i thought i would track, mask , replace and then fix lighting and coloring. (is this the best technique?)

    the only thing is what about creases in the shirt and other 3D movements. any ideas? maybe an advanced displacement map?

    Thanks

    Alon Hammer replied 16 years, 9 months ago 3 Members · 3 Replies
  • 3 Replies
  • Roland R. kahlenberg

    October 23, 2009 at 1:27 pm

    There’s Imagineer Systems’ Mokey that’ll do this quite nicely.

    Your best bet is to start off with s t-shirt without a logo but with a tracking marker that’s large enough to trjack. If you already havej a logo then it shouldn’t be too large that it covers a lot of the creases. The creases will likely be your biggest problem. If removing the original logo also removes lots of creases then you’ll have to re-insert the creases via a Paint technique.

    Displacement mapping is one way to go with placing your logo on the t-shirt and blending in with the creases. Or take a look at Digieffect’s Freeform for 3D displacement.

    For change in perspective, perform a perspective corner pin track. Like other visual effects, the shot should be well planned out before the shoot to prevent headaches an a shortened lifespan.

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  • Michael Szalapski

    October 23, 2009 at 4:02 pm

    Is that the best technique? No.
    Reshooting with a t-shirt that has the right logo on it is the best technique.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Alon Hammer

    October 24, 2009 at 7:18 pm

    I did not film the footage i was asked by a client to remove a logo and am getting paid (a lot) to do so.

    Thank you Roland for your advice, ill keep you updated ass the project unfolds.

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