<p>Sorry, phone keeps pressing wrong buttons for me, I may give up soon... but I think given good client software this could be a valuable project. At the very least, for any support for temporal restrictions we need something like this, and OpenSatNav would be able to make good use of this, difficult algorithms or not. Don't be discouraged.</p>
<p>Steve</p>
<p><blockquote type="cite">On Mar 24, 2010 8:35 PM, "Eric Marsden" <<a href="mailto:eric.marsden@free.fr">eric.marsden@free.fr</a>> wrote:<br><br>>>>>> "pr" == peter <<a href="mailto:petervotzi@gmail.com">petervotzi@gmail.com</a>> writes:<br>
<br>
pr> I have proposed a student project called "Incorporation of Traffic<br>
pr> Information and OpenStreetMap data"[1] , which has similar goals like<br>
pr> the integration of waze. But deals more with the server part of the<br>
pr> application and will be (of course) as open as openstreetmap is.<br>
<br>
Hi Peter,<br>
<br>
Your proposal is interesting, but given the technical challenges you<br>
will face, it seems overly optimistic to me. I'm also not convinced<br>
that many people would be sufficiently motivated to manually report<br>
transient information such as "roadworks here", so I think your focus<br>
should be on automated extraction of information from live GPS logs.<br>
<br>
I expect that matching poor quality GPS logs (think smartphones) to<br>
OSM data (without concern for the dynamic nature of this data), and<br>
generating information with sufficient confidence about missing ways,<br>
turn restrictions, missing or incorrect oneway tags would already be a<br>
good challenge. Generating information about traffic conditions would<br>
be another possibility, but with less direct utility to OSM.<br>
<br>
Concerning the matching of GPS logs, I suggest you read the paper<br>
"Hidden Markov Map Matching Through Noise and Sparseness"[1] and perhaps<br>
prior art from the CarTel project[2].<br>
<br>
[1] <a href="http://research.microsoft.com/en-us/um/people/jckrumm/" target="_blank">http://research.microsoft.com/en-us/um/people/jckrumm/</a><br>
[2] <a href="http://cartel.csail.mit.edu/doku.php" target="_blank">http://cartel.csail.mit.edu/doku.php</a><br>
<br>
--<br>
<font color="#888888">Eric Marsden<br>
</font><p><font color="#500050">
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