Well this could have been awesomely useful for when we were mapping townlands in #OpenStreetMap
RT @aboutgeo@twitter.com
More experiments with #OpenCV.js smart segmentation: extra polyline simplification produces cleaner shapes. Tracing map features with #Annotorious will never be the same
Although the source map images we had were... pretty rough.
Left is what we had. I've highlighted the townland border in yellow on the right.