There is somewhat related work performed by Bledsoe and Browning in 1959 [1] and later discussed by Dress [2] [1] https://www.semanticscholar.org/paper/Pattern

There is somewhat related work performed by Bledsoe and Browning in 1959 [1] and later discussed by Dress [2] [1] https://www.semanticscholar.org/paper/Pattern-recognition-and-reading-by-machine-Bledsoe-Browning/f6e7311b9e560f3a12c895b751d275bac161b31b https://www.semanticscholar.org/paper/Pattern-recognition-an... [2] https://www.osti.gov/biblio/6742527 https://www.osti.gov/biblio/6742527 and http://soton.mpeforth.com/flag/jfar/vol5/no3/article7.pdf http://soton.mpeforth.com/flag/jfar/vol5/no3/article7.pdf