Hi,

trying to retrain, which means to improve a character model, I thought
it would be helpful to have access to the bboxes of each line for
adding more trainig data from almost good recognized lines.

I also found this mentioned in a documentation titled OCRopus
Intermediate Disk Format.

This would allow for correcting the bboxes, which may be less
cumbersome than to edit the rseg image files to get new training data.
But may be there is a better way to achieve this? At least by setting
debug=minsize I get only the bbox width and height for each character.

If the output would be the same as for Tesseract box files - which has
the character itself at the beginning of a line followed by x0 y0 x1
y1 values - this would - I thought - even allow to use some
immediately already existing bbox editor to adapt boundaries.

Cheers, Georg M
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