[Imports] Facebook's AI-Assisted Road Tracing for OSM

[Richard Welty]

On 3/21/17 7:30 PM, Christoph Hormann wrote:
>
>> 3.       Road masks are processed to remove low confidence
>> predictions and add connections between short breaks.
> So you say you automatically connect roads in close proximity even if 
> you have no observable information in your source data that such 
> connection actually exists?  That seems a really bad idea.
>
i can name any number of examples where that process would
almost certainly  produce an error. couple of places i've encountered
where on the ground, there are barriers that prevent automobile
access but permit pedestrians, for example, not visible in any
aerial imagery but nonetheless there.

richard

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