How do I train tesseract 4 with image data instead of a font file?

问题

I'm trying to train Tesseract 4 with images instead of fonts.

In the docs they are explaining only the approach with fonts, not with images.

I know how it works, when I use a prior version of Tesseract but I didn't get how to use the box/tiff files to train with LSTM in Tesseract 4.

I looked into tesstrain.sh, which is used to generate LSTM training data but couldn't find anything helpful. Any ideas?

来源：https://stackoverflow.com/questions/43352918/how-do-i-train-tesseract-4-with-image-data-instead-of-a-font-file