Choice Iterator in Tesseract 5 and spaces (word bounderies)

[jochen....@gmail.com]

Hi all,

I am using the new choice iterator in tesseract 5 to get the confidences for all choices for each symbol of my text. But spaces (word bounderies) are not shown, so I have no way to know when a space is between symbols. Is there a way to for example combine the word iterator with the choice iterator or any other way to know when a new word starts?

[jochen....@gmail.com]

forgot to mention that I am using tesseract C++ API:

        tesseract::ResultIterator* res_it = api->GetIterator();

tesseract::PageIteratorLevel level = tesseract::RIL_SYMBOL;                        

        tesseract::ChoiceIterator ci(*res_it);

        do {

  if (ci.Confidence() >= 0) {

    Choice* c = new Choice();

    const char* ch = ci.GetUTF8Text();  

  }

          } while (ci.Next());

[jochen....@gmail.com]

I have found the solution, if anyone else is interested. Here is a sample application:

int main()

{

PIX* image = pixRead("R:/P12_0.jpg");

string outText = "";

tesseract::TessBaseAPI* api = new tesseract::TessBaseAPI();

api->Init(NULL, "deu", tesseract::OcrEngineMode::OEM_LSTM_ONLY);

api->SetVariable("tessedit_char_whitelist", "0123456789 .-LBME");

api->SetImage(image);

api->SetSourceResolution(300);

api->SetPageSegMode(tesseract::PSM_AUTO);

api->SetVariable("lstm_choice_mode", "2");

string text = api->GetUTF8Text();

cout << "text: " << text << endl;

tesseract::ResultIterator* res_it = api->GetIterator();

tesseract::PageIteratorLevel level = tesseract::RIL_SYMBOL;

int i = 0;

if (res_it != 0) {

do {

string word = res_it->GetUTF8Text(tesseract::RIL_WORD);

tesseract::ChoiceIterator ci(*res_it);

do {

if (ci.Confidence() > 60) {

const char* ch = ci.GetUTF8Text();

cout << ch;

}

} while (ci.Next());

i++;

if (i == word.length()) {

cout << " ";

i = 0;

}

} while (res_it->Next(level));

}

}