[OSM-talk] Facebook mapping highways using AI in collaboration with OpenStreetMap

Simon Poole simon at poole.ch
Sat Jul 27 10:39:20 UTC 2019

Am 26.07.2019 um 19:30 schrieb Naveen Francis:
> Including my ₹ 0.10 (Indian ten paisa)
> Echoes same thoughts of Brazilian Real. 
> AI-assisted human mapping tools will be a good aid for the OSM community.
> "Map faster, Map better". 
> 40,00,000 kms to be mapped in India. 
> 15 years of OSM mapped 18,00,000 kms.

The (rhetoric) question is, why is this the case?

Because the community in India is still very small relative to the
population size. 

So from where will the additional contributors come from that will turn
the additional 4 million road geometries in to something really useful?
There is a real danger of the desire for "completeness" instead of
quality resulting in multiple TIGER 2.0s, and we are just now slowly
working ourselves out of the hole we dug (full of good intentions) with
the original. 

Note on the side: outside of raw total  road length, a much more
sensible comparison would be completeness measures per road categories
(which I suspect is likely to look far less dramatic) and which might
give more realistic goals for the community.


> thanks,
> naveenpf
> On Fri, Jul 26, 2019 at 4:42 AM Sérgio V. <svolk2 at hotmail.com
> <mailto:svolk2 at hotmail.com>> wrote:
>     Just adding my R$0,02 (Brazilian Real).
>     I guess soon the AI assisted Human mapping will happen, it may be
>     a very good help.
>     But I can't evaluate what's been publicized July 23, 2019 by
>     https://ai.facebook.com/blog/mapping-roads-through-deep-learning-and-weakly-supervised-training
>     "To browse our machine learning road predictions or start mapping
>     with RapiD, please visit mapwith.ai <http://mapwith.ai>."
>     So at "Map faster, Map better"
>     https://mapwith.ai/#14/6.13864/6.7698>     I actually can't evaluate any result for roads at max zoom level
>     14, to see if it's really better. I can just believe it can be. 
>     - - - - - - - - - - - - - - - -
>     Sérgio - http://www.openstreetmap.org/user/smaprs
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