9. The method of claim 2 in which the relative ink-to-ink features are selected from one or more of 100 th percentile of ink-to-ink width distribution per x-height, 90 th percentile of ink-to-ink width distribution per x-height, 60 th percentile of ink-to-ink width distribution per x-height, 10 th percentile of ink-to-ink width distribution per x-height, 0 th percentile of ink-to-ink width distribution per x-height, 100 th percentile of ink-to-ink width distribution per median break width, 90 th percentile of ink-to-ink width distribution per median break width, 60 th percentile of ink-to-ink width distribution per median break width, 10 th percentile of ink-to-ink width distribution per median break width, 0 th percentile of ink-to-ink width distribution per median break width, or ink-to-ink area per effective ink-to-ink height.
2. The method of claim 1 in which the extracted features are selected from ones of absolute features, relative line features, relative break features, relative ink features, relative ink-to-ink features, relative break proximity features, or word recognition features.