https://blog.csdn.net/qq_37674858/article/details/80340914

cmd: tesseract [***.tif] [out_put_file] -l [exists_training_data] batch.nochop makebox

eg: tesseract 111.tif my.font.exp0 -l chi_sim batch.nochop makebox

echo font 0 0 0 0 0 >font_properties

cmd: tesseract [***.tif] [box_file] nobatch box.train

eg: tesseract my.font.exp0.tif my.font.exp0 nobatch box.train

cmd: unicharset_extractor [box_file]

eg: unicharset_extractor my.font.exp0.box

cmd: mftraining -F [font_properties] -U [unicharset] -O [.tr]
cntraining [.tr]

eg: mftraining -F font_properties -U unicharset -O my.unicharset my.font.exp0.tr
cntraining my.font.exp0.tr

cmd: combine_tessdata [prefix]

eg: combine_tessdata my.