If you are really interested in help, than please post complete code of
your test case (+ how you compiled it) including (link to) image you try
to process.
Zdenko
št 11. 10. 2018 o 12:39 Adam Richards <ajrichard...@gmail.com> napísal(a):
> 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);
>
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