Hi all,
(I'm fairly new to Tesseract/Tessbase *and* C++, so sorry in advance
if any of this is unclear.)
There is an OpenFrameworks addon for Tesseract and I'm trying to add
HOCR functionality to it. But, whenever I call the GetHOCRText()
method, the program crashes (the error message is cryptic, but from my
research, supposedly it's a SIGABRT, or maybe EXC_BAD_ACCESS?) If I
call GetUTF8Text() it works fine... Here is the code in question:
==============
string ofxTesseract::findHOCRText(ofImage& img, ofRectangle& roi) {
ofPixels& pixels = img.getPixelsRef();
int bytesPerPixel = pixels.getBytesPerPixel();
tess.SetImage(
pixels.getPixels(),
img.getWidth(),
img.getHeight(),
bytesPerPixel,
pixels.getWidth() * bytesPerPixel
);
tess.SetRectangle(
roi.x, roi.y,
roi.width, roi.height
);
//returns 0
tess.Recognize(NULL);
//return tess.GetUTF8Text(); // works fine
return tess.GetHOCRText(0); //crash & burn
}
==============
https://github.com/jessefulton/ofxTesseract/blob/master/src/ofxTesseract.cpp
("tess" is the tesseract::TessBaseAPI)
Any help greatly appreciated!
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