Zdenko. Thank you. that seems to be the explanation. My test (C++) has gone down from 5,700 ms to 900ms. I had assumed that the nuget package would reflect debug or release as the main project would. It would seem that I'm wrong on that one.
Iain On Saturday, November 16, 2024 at 9:42:38 AM UTC zdenop wrote: > Are you sure you compare apples to apples? e.g. Is not your c++ code built > as debug and C# with release optimisations? > > Reasoning: Charles Weld (.NET wrapper[1]) did not port tesseract to C# but > it wraps (uses) tesseract C-API in C# library. C-API wraps tesseract C++ > API. Each wrapping should cause small (maybe not even measurable) > performance, but definitely wrapper could not be faster than the original > library. > > [1] https://github.com/charlesw/tesseract > > Zdenko > > > so 16. 11. 2024 o 9:30 Iain Downs <ia...@idcl.co.uk> napísal(a): > >> I mainly develop under windows and have used the emgu cv port and one of >> the tesseract c# ports (Charles Weld). Both lack some features so I've >> build C++ libraries to better support pageiterators (and with the especial >> hope that bold and italic in v5 will someday work). >> >> I'm finding that the C++ implementations are 3 or 4 times slower than the >> equivalent code written in c#. The same is true if I have a C++ >> application and if I use static libraries or dlls for Tesseract. >> >> I have imported Tesseract and Leptonica using VCPKG. >> >> My code in all test cases resolves to the below or the c# equivalent:- >> >> tesseract::TessBaseAPI* tessApi = new tesseract::TessBaseAPI(); >> retval = tessApi->Init(NULL, "eng"); >> tessApi->SetPageSegMode(tesseract::PSM_SINGLE_BLOCK); >> Pix* image = pixRead(argv[1]); >> tessApi->SetImage(image); >> tessApi->Recognize(0); >> char* text = tessApi->GetUTF8Text(); >> tessApi->End(); >> delete tessApi; >> >> I have no idea where to look here and would appreciate any help. >> >> Iain >> >> -- >> You received this message because you are subscribed to the Google Groups >> "tesseract-ocr" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to tesseract-oc...@googlegroups.com. >> To view this discussion visit >> https://groups.google.com/d/msgid/tesseract-ocr/8dbfdc4c-fa3a-4a92-9ded-4aec27384e7dn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/8dbfdc4c-fa3a-4a92-9ded-4aec27384e7dn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/tesseract-ocr/716895f4-1ec0-4e7a-81b3-f6586e612b3bn%40googlegroups.com.
