Tesseract GetComponentImages.cpp

// 參照 Tesseract API for VS2017
// 依據行辨識

int main()

{

Pix *image = pixRead("D:\\temp\\OpenCV_err.png");

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

if (api->Init(NULL, "eng")) {

std::cerr << "Could not initialize tesseract.\n";

}

api->SetImage(image);

Boxa* boxes = api->GetComponentImages(tesseract::RIL_TEXTLINE, true, NULL, NULL);

fprintf(stdout, "Found %d textline image components.\n", boxes->n);

for (int i = 0; i < boxes->n; i++) {

BOX* box = boxaGetBox(boxes, i, L_CLONE);

api->SetRectangle(box->x, box->y, box->w, box->h);

char* ocrResult = api->GetUTF8Text();

int conf = api->MeanTextConf();

fprintf(stdout, "Box[%d]: x=%d, y=%d, w=%d, h=%d, confidence: %d, text: %s",

i, box->x, box->y, box->w, box->h, conf, ocrResult);

delete[] ocrResult;

}

api->End();

pixDestroy(&image);

}