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    Silhouette on colour image

    How To... ?
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    • B
      Bootzilla last edited by

      Hi all,

      I was wondering if anyone could help me please? I'm trying to set up a performance with a dancer and while she is dancing, I will take a live feed in to Isadora (so far so simple).

      What I want to output is the regular background from behind the dancer as the naked eye sees it, but for the dancer to be completely blacked out as if she was a shadow dancing or in silhouette. I hope that makes sense?

      Cheers :)

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      • Michel
        Michel Izzy Guru last edited by

        @Bootzilla

        There is a way you can do this but this way it is important to light the dancer really bright to have a big contrast to the background (ideally the dancer wears white). And you need a camera where you can adjust the settings manually. Then you can use the attached patch, play around with the threshold value.

        Best
        Michel
        69deed-silhouette.izz

        Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

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        • dbini
          dbini last edited by

          ... or use a kinect instead of a regular camera, this will have the dual advantages of separating the dancer from the background and also easily outputting a clean silhouette of the dancer.

          i do this quite often in workshops by running the kinect through NI-Mate and Syphoning an image out into Isadora.

          John Collingswood
          taikabox.com
          2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
          plus an old iMac and assorted Mac Minis for installations

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          • Skulpture
            Skulpture Izzy Guru last edited by

            Same as dbini :)

            Graham Thorne | www.grahamthorne.co.uk
            RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
            RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
            RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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            • B
              Bootzilla last edited by

              Hi all,

              Thanks for this, sorry for my late reply but I'd forgotten I'd posted it :)

              Cheers

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