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🏗 Build Tesseract from source

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Gerber, Mike 2019-09-23 15:02:59 +02:00
parent d903e3634c
commit a3d6befb0d
1 changed files with 38 additions and 5 deletions
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@ -5,18 +5,51 @@ ENV LC_ALL=C.UTF-8 LANG=C.UTF-8
RUN mkdir /var/lib/calamari-models
COPY data/calamari-models/GT4HistOCR /var/lib/calamari-models/GT4HistOCR
RUN apt-get update && \
apt-get install -y \
git \
libleptonica-dev \
libtesseract-dev \
libxml2-utils \
curl xz-utils \
python3-pip \
tesseract-ocr-all \
git \
# For leptonica/tesseract:
cmake libgif-dev libjpeg-dev libpng-dev libtiff-dev zlib1g-dev \
# For clstm on Ubuntu 19.04:
swig libeigen3-dev libpng-dev libprotobuf-dev \
# XML utils
libxml2-utils \
xmlstarlet \
&& \
apt-get clean
# Build Leptonica and Tesseract.
# XXX Use a multi stage build for this.
ENV LEPTONICA_VERSION 1.78.0
ENV TESSERACT_VERSION 4.1.0
ENV TESSDATA_BEST_VERSION 4.0.0
ENV TESSDATA_PREFIX /usr/local/share/tessdata
RUN curl -sSL -O https://github.com/DanBloomberg/leptonica/releases/download/$LEPTONICA_VERSION/leptonica-$LEPTONICA_VERSION.tar.gz && \
tar xvzf leptonica-$LEPTONICA_VERSION.tar.gz && \
cd leptonica-$LEPTONICA_VERSION && \
mkdir build && cd build && cmake .. && make install && ldconfig && \
cd ../.. && rm -rf leptonica-$LEPTONICA_VERSION leptonica-$LEPTONICA_VERSION.tar.gz
RUN curl -sSL -O https://github.com/tesseract-ocr/tesseract/archive/$TESSERACT_VERSION.tar.gz && \
tar xvzf $TESSERACT_VERSION.tar.gz && \
cd tesseract-$TESSERACT_VERSION && \
mkdir build && cd build && cmake .. && make install && ldconfig && \
cd ../.. && rm -rf tesseract-$TESSERACT_VERSION $TESSERACT_VERSION.tar.gz
RUN curl -sSL -O https://github.com/tesseract-ocr/tessdata_best/archive/$TESSDATA_BEST_VERSION.tar.gz && \
tar xvzf $TESSDATA_BEST_VERSION.tar.gz && \
mv tessdata_best-$TESSDATA_BEST_VERSION $TESSDATA_PREFIX && \
rm -rf $TESSDATA_BEST_VERSION.tar.gz && \
tesseract --list-langs
COPY requirements.txt /tmp
RUN pip3 install --no-cache-dir -r /tmp/requirements.txt