11. The method of claim 9 further comprising: sampling glyphs from a training input including unknown glyphs; associating labels to the unknown glyphs; and constructing the hash table from the unknown glyphs.
11. The method of claim 9 further comprising: sampling glyphs from a training input including unknown glyphs; associating labels to the unknown glyphs; and constructing the hash table from the unknown glyphs. 13. The method of claim 11 , the training input comprising at least one document and at least one font.