Konstantin BaiererAndreas BüttnerElisabeth EnglLena HinrichsenChristian ReulOCR-D & OCR4all: Two Complementary Approaches for Improved OCR of Historical Sources.2021HistoInformatics@JCDLhttps://ceur-ws.org/Vol-2981/short2.pdfconf/jcdl/2021hidb/conf/jcdl/hi2021.html#BaiererBEHR21