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 # OCRmyPDF_Optimize_DjVu
 didjvu inspired optimization plugin for OCRmyPDF with Gamera-4 djvu binarization and c44 masking
+
+References:
+- https://github.com/jwilk/didjvu (Python 3 branch https://github.com/FriedrichFroebel/didjvu)
+- https://github.com/ocrmypdf/OCRmyPDF
+- https://github.com/hsnr-gamera/gamera-4
+- https://sourceforge.net/p/djvu/djvulibre-git/ci/master/tree/tools/c44.cpp
+
+This compression-plugin has been decided not to be shipped as part of the OCRmyPDF-source due to license-incompatibilities of the constituent GPL/2-sources and the OCRmyPDF-license.