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Re: Action spherical stereo panoramas with video DSLRs

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  • Wim Koornneef
    ... The math above about the number of images needed when using a one camera 3D system is ok but I made a typo in the formula, it should be: Number of images
    Message 1 of 81 , May 4, 2010
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      Wim Koornneef wrote:
      > ....When I thought about the issue this formula to calculate the number of
      > images that are needed popped up (*):
      >
      > A-reference number of images for a shoot in NPP=4
      > B-reference forward shift out of NPP (cm)=1
      > C-reference number of pixels of stitched pano (mpx)=20
      >
      > Number of images needed: A x (B + forward shift out of NPP) x C / size of
      > stitched pano
      >
      > (*) I made the formula based on some educated guesses about the relations
      > between the parameters so for sure it is not based on any real science...
      >
      > I my case I should have shot at least: 4x(8+1)x26/20= ~ 47 images instead
      > of 31.
      > For a larger output f.e. 10.000x5000 px (50mpx) I would need 90 images to
      > get a good result......

      The math above about the number of images needed when using a one camera 3D
      system is ok but I made a typo in the formula, it should be:

      Number of images needed: A x (B + forward shift out of NPP) x size of
      stitched pano / C

      Wim
      --
      View this message in context: http://panotoolsng.586017.n4.nabble.com/Action-spherical-stereo-panoramas-with-video-DSLRs-tp1690033p2125199.html
      Sent from the PanoToolsNG mailing list archive at Nabble.com.
    • Wim Koornneef
      ... The math above about the number of images needed when using a one camera 3D system is ok but I made a typo in the formula, it should be: Number of images
      Message 81 of 81 , May 4, 2010
      • 0 Attachment
        Wim Koornneef wrote:
        > ....When I thought about the issue this formula to calculate the number of
        > images that are needed popped up (*):
        >
        > A-reference number of images for a shoot in NPP=4
        > B-reference forward shift out of NPP (cm)=1
        > C-reference number of pixels of stitched pano (mpx)=20
        >
        > Number of images needed: A x (B + forward shift out of NPP) x C / size of
        > stitched pano
        >
        > (*) I made the formula based on some educated guesses about the relations
        > between the parameters so for sure it is not based on any real science...
        >
        > I my case I should have shot at least: 4x(8+1)x26/20= ~ 47 images instead
        > of 31.
        > For a larger output f.e. 10.000x5000 px (50mpx) I would need 90 images to
        > get a good result......

        The math above about the number of images needed when using a one camera 3D
        system is ok but I made a typo in the formula, it should be:

        Number of images needed: A x (B + forward shift out of NPP) x size of
        stitched pano / C

        Wim
        --
        View this message in context: http://panotoolsng.586017.n4.nabble.com/Action-spherical-stereo-panoramas-with-video-DSLRs-tp1690033p2125199.html
        Sent from the PanoToolsNG mailing list archive at Nabble.com.
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