The Australian CSIRO has developed an interesting reasonably lightweight close proximity mapping solution for indoor application where GPS is not required.  I thought it might have an interesting application as a navigation system for multicopters indoors? Love that 'bobbing worm'!

Whilst not quite small enough for multi-copters, it does not look far off.

More info at this Link

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  • Very seriously cool.

    I am curious to know how they maintain their apparently very solid relative positional information as the point cloud acquisition progresses.

    Vertically scanning a Hokuyo laser scanner is a common way of obtaining a X/Y 3D point cloud, but generally sequential scans from a moving platform require a lot of work (CPU time) to "line up".

    Apparently they do that in real time on a laptop and that does not seem an easy task.

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