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Convert between Tesseract hOCR and ALTO XML using XSL stylesheets

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hOCR-to-ALTO

Convert between Tesseract hOCR and ALTO XML 2.0/2.1/3/4 using XSL stylesheets

The XSLT scripts use XSLT 2.0 features - so a XSLT 2.0 capable transformer is required - ie. Saxon

Running the conversion using Saxon-HE command line - example converting ALTO to hOCR:

 > java -jar saxon-he.jar -s:input-alto.xml -xsl:alto__hocr.xsl -o:output-hocr.xml

See ocr-fileformat for an interface to using these stylesheets.

hOCR-spec https://github.com/kba/hocr-spec

File naming scheme: sourceFormatVersion__targetFormatVersion.xsl

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