Qt and tesseract



我想将tesseract与qt 5 + mingw一起使用。我从这里下载了 vc++ 库冷杉

在我的申请中,我做到了:

#include "tesseract/baseapi.h"

...

tesseract::TessBaseAPI *OCRbase =  new tesseract::TessBaseAPI();
if (!OCRbase->Init(NULL,"eng",tesseract::OEM_DEFAULT))
{
    qDebug() << "tesseract init error";
    return;
}

但是这段代码给了我这样的错误:

testOCR/dialog.cpp:57: undefined reference to `tesseract::TessBaseAPI::TessBaseAPI()'
debug/dialog.o: In function `ZN9tesseract11TessBaseAPI4InitEPKcS2_NS_13OcrEngineModeE':
testOCR/tesseract-3.02.02-win32-lib-include-dirs/include/tesseract/baseapi.h:208:   undefined reference to `tesseract::TessBaseAPI::Init(char const*, char const*, tesseract::OcrEngineMode, char**, int, GenericVector<STRING> const*, GenericVector<STRING> const*, bool)'
collect2.exe: error: ld returned 1 exit status

我的 .pro 文件看起来像这样:

INCLUDEPATH += $$PWDtesseract-3.02.02-win32-lib-include-dirsinclude
LIBS += -L$$PWDtesseract-3.02.02-win32-lib-include-dirslib -llibtesseract302-static-debug
LIBS += -L$$PWDleptonicalib -lliblept
SOURCES += main.cpp
        dialog.cpp
HEADERS  += dialog.h
FORMS    += dialog.ui

花了很多时间试图链接这个,我做错了什么吗?

我确实设法用 mingw 编译了 tesseract,但在我尝试将其与我的测试应用程序链接后,我得到了很多:

tesseract-ocrccutiltprintf.cpp:56: ошибка: undefined reference to `_Unwind_Resume'

pageiterator.cpp:-1: ошибка: undefined reference to `__gxx_personality_v0'

错误。这是什么意思?这次在我的专业文件中,我确实添加了

LIBS    += -L$$PWDlib -llept -ltesseract -ltiff -lwebp -lgif -lpng -ljpeg -lzlib125-static-mtdll-debug
LIBS    += lws2_32

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