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This is a time lapse of one of my house plants, a climbing onion, aka Zulu potato ( Bowiea volubilis ) which is a member of the hyacynth family. The bulb itself is the primary photosynthetic organ of the plant. It occasionally ( 3 or 4 times a year ) sends out a long twining shoot studded with branching tendrils. At the tip of the shoot forms a small head of white flowers.

The shoot is VERY active and searches around for something to climb on. In this vide we see it make almost 3 complete sweeps suring the 6 hours of filming.

This time lapse was created using an HV20 in photo mode and an IR intervalometer. The original sequence was very flickery and strobing. I processed the image sequence using SBG to reduce flicker and then SSMM 3.7 ro create the movie.

Its not the best compisition and lighting, and was designed to test the limits of SBG. The shot to shot variance in exposure was as much as 4%, of which SBG removed about 90%. This was done with an early build of SBG. The current build has a better algorithm and cleans up the remaining flicker pretty effectively.
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  • Lucasberg 6 months ago
    Awesome.
    Now where do I get an IR intervalometer that does this?
  • Brown 6 months ago
    me too
  • Matt Taylor 5 months ago
    I was wondering as well, so I went looking. Try this:

    gentles.ltd.uk/gentled/options.htm#IRauto

    I don't know if that one will work, but I'm sure there's one around somewhere that will.
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  • Brown 6 months ago
    Sbg? ssmm?
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  • sesotek 6 months ago
    ok i give up. what is SBG?
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  • Josh Piersma 4 months ago
    yeah what the hell is SBG? and ssmm?

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  • boborama 3 months ago
    SBG is a utility I am writing that performs processing of timelapse series from still cameras. Its still pretty rough at this poiint and very much experimental. It can perform basic de-flicker, obviously. But also pan-scan, and high quality digital zoom, sharpening, USM, and other image processing operations.

    The entire idea of SBG is that you can take the worlds cheapest digital cameras and get decent timelapse results. There are many post processing tools that snap into your NLE. And most are really great. The problem is that you;ve already lost all your video information. By adjusting the original series, you make the best use of all those pixels. In fact you could easily make movies with far better resolution than 1080p - because most digicams can do 6MP or better and even the cheapest have far better resolution than even the most expensive camcorders.

    See my Provo storm clouds clip for an example of what SBG can do.

    SSMM 3.7 is "Slide Show Movie Maker 3.7" which I use to turn the stills into AVI's. Thats someone else's work. I like SSMM and have been sing it for many years now. There are any number of apps which you can use for this purpose.
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