qurator-spk/sbb_textline_detection
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📝 sbb_textline_detector: Document OCR-D Usage

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Gerber, Mike 2019-12-06 11:42:23 +01:00
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README.md
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@ -18,7 +18,14 @@ sudo pip install .
sbb_textline_detector -i 'image file name' -o 'directory to write output xml' -m 'directory of models' sbb_textline_detector -i 'image file name' -o 'directory to write output xml' -m 'directory of models'
## Usage with OCR-D
~~~
ocrd-example-binarize -I OCR-D-IMG -O OCR-D-IMG-BIN
ocrd_sbb_textline_detector -I OCR-D-IMG-BIN -O OCR-D-SEG-LINE-SBB -p '{ "model": "/path/to/the/models/textline_detection" }'
~~~
Segmentation works on raw RGB images, but respects and retains
`AlternativeImage`s from binarization steps, so it's a good idea to do
binarization first, then perform the textline detection. The used binarization
processor must produce an `AlternativeImage` for the binarized image, not
replace the original raw RGB image.