gcv2hocr converts from Google Cloud Vision OCR output to hocr to make a searchable pdf.
Compile:
make
Install to /usr/local/bin:
make install
Install to $HOME/.local/bin:
make install PREFIX=$HOME/.local
Uninstall:
make uninstall
gcv2hocr test.jpg.json output.hocrtest.jpg.json is a output of Google Cloud Vision OCR.
output.hocr is a output of gcv2hocr.
You may specify image size in argument.
gcv2hocr test.jpg.json output.hocr 1280 960First number 1280 is image height of the picture.
Second number 960 is image width of the picture.
gcv2hocr also generates intermediary files preout1.txt and preout2.txt.
You may use gcv2hocr.py instead of gcv2hocr executable.
python gcv2hocr.py test.jpg.json > output.hocr--savefile (python only) if defined will output to file instead of console.
Execute gcvocr.sh.
./gcvocr.sh test.jpg "Your API KEY"gcvocr.sh is slightly modified sample.sh originally written by Kazuhiro FURUHATA (openspc@alpha.ocn.ne.jp).
To create a searchable pdf, use the hocr-pdf script bundled with
hocr-tools.
makepdf.sh is a sample shell script to make a searchable pdf from individual jpeg files. If you want to use GUI,
python -m makepdfGUI.py.
To Kazuhiro FURUHATA, he gave me a permission redistribute and modify sample.sh.
To Philipp Zumstein, he gave me answers several questions about hocr.
To Konstantin Baierer, he wrote python port (gcv2hocr.py).
To skylord123, he fixed many bugs in python port.
To URIN HACK, he gave me a permission redistribute his replace() code. (http://urin.github.io/posts/2018/replace-string-by-c-lang)
Creative Commons Attribution 4.0 International.
You are free to:
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material
for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.
2016.9.2 ENDO Michiaki (inugami.mamoru@gmail.com)