See answer to issue 233.
Ray.
On Thu, Aug 13, 2009 at 1:32 AM, cmm <[email protected]> wrote:
>
> Hi!
> I'm using tesseract (version 2.04 / Linux) to recognize text extracted
> from images.
> My problem is that apparently I have different results by appling
> twice a tesseract function on the same bitmap. I suppose that I have
> to clean something... What? Thank you for any help!
> I reduce the problem as in the test program below. The output is:
> > Read 0. string as: NNCH UNION
> >
> >
> > Read 1. string as: UNCH UNION
> >
> >
>
> If I include the calls "InitWithLanguage" and "End" in the body of the
> loop I obtain the following strings as output:
> > Read 0. string as: NNCH UNION
> >
> >
> > Read 1. string as: MCH UNION
> >
> >
>
> Test code:
>
> #include <baseapi.h>
>
> int main(int argc, char *argv[])
> {
> GenMatType *board = NULL; //my internal image structure
> char *ocred_text = NULL;
>
> // LINE_4.tif is a bitmap w=128 x h=60, with values 0|255
> board = GMRead("/tmp/LINE_4.tif", NULL);
>
> TessBaseAPI::InitWithLanguage(NULL, NULL, "eng", NULL, false, 0,
> NULL);
> for (int i = 0; i < 2; i++) {
> ocred_text =
> TessBaseAPI::TesseractRect(board->udata[0], 1, board->cols,
> 0, 0, board->cols, board->rows);
> fprintf(stdout, "Read %d. string as: %s\n", i, ocred_text);
> //cleanup
> delete[] ocred_text;
> }
> TessBaseAPI::End();
>
> GMFree(board);
> return(0);
> }
>
>
>
> >
>
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