Although I've not used the C++ API, I've run into segmentation errors quite a lot during my initial days, and in most of the cases it generally stemmed from unauthorised directory accesses. Check whether the directory where the images are stored is readable and writable by you. Hope this helps!
On Thu, Oct 11, 2018 at 4:09 PM Adam Richards <[email protected]> wrote: > Hi I am having issues with sending a Mat image the I have opened through > OpenCV to Tesseract using the "SetImage" function. > I can use Tesseract on the image when I just input the commented out bit > at the end of the line as: SetImage(image); > > however when I run it as below the program will crash before even reaching > this point and return to console "segmentation error" > > I have found this code as being identical to somebody who previously did > my project, and i have no idea why this error is occurring. > > > Please if somebody can help me or provide a working example of Tesseract > using Mats from OpenCv I would greatly appreciate it. > > kind regards, > > Adam > > > int main(int argc, char** argv ) > { > > imgOriginal = imread(argv[1],1); // open image > Mat img = imgOriginal; > > ......... > > namedWindow("img", WINDOW_NORMAL); > imshow("img", img); > waitKey(0); // hold window open until user presses a key > > char *outText; > tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI(); > // Initialize tesseract-ocr with English, without specifying tessdata > path > if (api->Init("/usr/share/tesseract-ocr", "eng")) { > fprintf(stderr, "Could not initialize tesseract.\n"); > exit(1); > } > > // Open input image with leptonica library > Pix *image = > pixRead("/home/pi/opencv/sudoku_capture/sudoku2/Sudoku.jpg"); > api->TesseractRect( img.data, 1, img.step1(), 0, 0, img.cols, > img.rows); > api->SetImage((uchar*)img.data, img.size().width, img.size().height, > img.channels(), img.step1()); //image); > api->Recognize(0); > > // Get OCR result > outText = api->GetUTF8Text(); > printf("OCR output:\n%s", outText); > > // Destroy used object and release memory > api->End(); > delete [] outText; > //pixDestroy(&image); > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/5248e483-3f5c-4834-9c31-341b6873ffe5%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/5248e483-3f5c-4834-9c31-341b6873ffe5%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Regards, Soumik Ranjan Dasgupta -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAB_aDAcwRr1F3D5R-OcK6fEPQBLuJykyGEAX_zkx1YPXWErwUA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
