[OSM-talk] Mapping and surveying long road tunnels

Andy Allan gravitystorm at gmail.com
Thu Mar 22 14:55:35 GMT 2007

On 3/22/07, Simon Hewison <simon at zymurgy.org> wrote:
> Raphaël Jacquot wrote:
> > or, we could use IMUs and some kalmann filtering
> or video surveying. Marking key points on video frames from twin video
> cameras (stereo vision) with the same focal length will get you a distance
> of point on edge of tunnel from point of view. Couple with a distance
> measurement from wheel counter and you have a quite clever system.
> This is partly what those geospatialvision and the amazon mechanical turk
> slaves do.

Wire-guided missiles, with a record of time vs control inputs. The
first missile to make it out the other end is the control input log
we're most interested in.



More information about the talk mailing list