[Talk-GB] NPE distributed error correction

[Robert (Jamie) Munro]

Nick Whitelegg wrote:
> I was thinking the other day - it might be a good idea to collect, and 
> store in a database, the error of each NPE tile throughout the whole 
> country, so that applications making use of the NPE data (e.g. 
> freemap-npe) could adjust each tile on a tile-by-tile basis.
> 
> This would probably involve a  distributed error collection project where 
> people adjust tiles local to their area so that OSM data within that tile 
> overlays perfectly on the NPE tile. This could perhaps be done using a 
> subset of the existing JOSM NPE code, or through a web based interface.
> 
> Thoughts... does it seem like a good idea?

Have you tried applying a hough transform to automatically find the grid
lines in the scanned maps? This would eliminate the need for this
project, and probably be more accurate.

http://en.wikipedia.org/wiki/Hough_transform

Robert (Jamie) Munro


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