10. The method of claim 3 , wherein determining the character frame size comprises grouping individual ones of the plurality of distances between the plurality of the centers based at least in part on the individual ones of the plurality of distances and selecting a distance represented by the grouping containing the largest number of individual ones of the plurality of distances as the character frame size.
10. The method of claim 3 , wherein determining the character frame size comprises grouping individual ones of the plurality of distances between the plurality of the centers based at least in part on the individual ones of the plurality of distances and selecting a distance represented by the grouping containing the largest number of individual ones of the plurality of distances as the character frame size. 11. The method of claim 10 , wherein the grouping comprising placing the individual ones of the plurality of distances into static sized bins and the distance represented by a bin is a median of the individual ones of the plurality of distances placed into the bin.