ocr by c#
1, install packages
Open the Package Manager Console - From Tools > NuGet Package Manager, select Package Manager Console and run:
update-package -reinstall
2, download tessdata
download page
mkdir ./Properties/tessdata/
mv eng.traineddata to ./Properties/tessdata/
mv chi_sim.traineddata to ./Properties/tessdata/
3, open Progrma.cs
press CTRL+F5