Search the archives, use Google. Here's a link from someone's solution http://code.google.com/p/tesseract-ocr/issues/detail?id=714#c1
On Tue, Jun 19, 2012 at 4:52 AM, eva charles <[email protected]> wrote: > Hi...i executed the following code to generate character-wise confidence > values: > > int main(int argc, char **argv) { > > const char *lang="eng"; > const PIX *pixs; > if ((pixs = pixRead(argv[1])) == NULL) { > cout <<"Unsupported image type"<<endl; > exit(3); > } > TessBaseAPI api; > api.SetVariable("save_blob_choices", "T"); > api.SetPageSegMode(tesseract::PSM_SINGLE_WORD ); > api.SetImage(pixs); > int rc = api.Init(argv[0], lang); > api.Recognize(NULL); > ResultIterator* ri = api.GetIterator(); > if(ri != 0) > { > do > { > const char* symbol = ri->GetUTF8Text(RIL_SYMBOL); > if(symbol != 0) > { > float conf = ri->Confidence(RIL_SYMBOL); > cout<<"\nnext symbol: "<< symbol << " confidence: " << > conf <<"\n" <<endl; > > } > > > delete[] symbol; > } while((ri->Next(RIL_SYMBOL))); > } > return 0; > } > > the output obtained for the attached image was: > next symbol: N confidence: 72.3563 > next symbol: B confidence: 72.3563 > > next symbol: E confidence: 69.9937 > next symbol: T confidence: 69.9937 > next symbol: R confidence: 69.9937 > next symbol: A confidence: 69.9937 > next symbol: N confidence: 69.9937 > next symbol: G confidence: 69.9937 > next symbol: - confidence: 69.9937 > next symbol: I confidence: 69.9937 > > As is evident, the confidence values for characters belonging to the same > word is the same. > Is this the expected output? Shouldn't the confidence values be different > for each character? > I tried executing the code for a word in which each character was in > different font style..and yet, the confidence value was the same for > characters belonging to the same word. > PLease help me out.. > > Thanks in Advance > Uni. > > -- > 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 -- 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
