Looks like a simple case of Y inversion - try transforming whatever Y values you thought were right into (height - Y) where height is the height of the image.
On Jul 27, 1:28 am, Andres <[email protected]> wrote: > Hello people, > > I'm trying to get the characters coordinates but I'm getting them misplaced. > > You can see the image and the rectangles with the coordinates > here:http://silvic.com.ar/rectangles.jpg > > I'm using some adapted code from dlltest, and my code uses OpenCV. I'm > posting my code below. > > Basically, I'm getting the character coordinates from EANYCODE_CHAR. > > Any hint will be greatly appreciated. > > Regards, > > Andres > > #include "ocr.h" > > #define _UNICODE > > #include <imgs.h> > #include <tessdll.h> > > #include <cv.h> > #include <highgui.h> > > #include <iostream> > > using namespace std; > > #pragma message("hay que tener definido __MSW32__") > > void test() > { > string file_path = > "A:\\prj\\Patentes\\imgs_temp\\in\\solo_patente_0474.bmp"; > string ret; > > IMAGE image; > if (image.read_header(file_path.c_str()) < 0) > { > cerr<<"Can't open "<<file_path<<endl; > return; > } > if (image.read(image.get_ysize ()) < 0) > { > cerr<<"Can't read "<<file_path<<endl; > return; > } > > string lang = "my_lang"; > > TessDllAPI api(lang.c_str()); > > api.BeginPageUpright(image.get_xsize(), image.get_ysize(), > image.get_buffer(), > image.get_bpp()); > > ETEXT_DESC* output = api.Recognize_all_Words(); > > IplImage *cv_image = cvLoadImage(file_path.c_str()); > > cvNamedWindow("read", CV_WINDOW_AUTOSIZE); > > int j; > for (int i = 0; i < output->count; i = j) > { > const EANYCODE_CHAR* ch = &output->text[i]; > unsigned char unistr[24]; > > for (j = i; j < output->count; j++) > { > const EANYCODE_CHAR* unich = &output->text[j]; > > if (ch->left != unich->left || ch->right != unich->right || > ch->top != unich->top || ch->bottom != unich->bottom) > break; > unistr[j - i] = static_cast<unsigned char>(unich->char_code); > } > unistr[j - i] = '\0'; > > const char *txt = reinterpret_cast<const char*>(unistr); > ret += txt; > > { > > cvRectangle(cv_image, cvPoint(ch->left, ch->top), > cvPoint(ch->right, ch->bottom), CV_RGB(255,0,0), 1); > > cvShowImage("read", cv_image); > while(cvWaitKey(50)==-1); > } > } > cout<<"read ["<<ret<<"]"<<endl; > > } -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en.
