5. The apparatus of claim 1 wherein the character chop line generator component generates a confidence measure associated with each chop line which reflects how accurately the chop line separates a character or glyph.
5. The apparatus of claim 1 wherein the character chop line generator component generates a confidence measure associated with each chop line which reflects how accurately the chop line separates a character or glyph. 6. The apparatus of claim 5 wherein the confidence measure depends on a product of a scaled path lightness and an intersection number, wherein the scaled path lightness is assigned a value of zero for path lightness values below a threshold level.