问OCR :没有达到预期的结果

EN

int main(int argc, char * argv[])
{
    //cv::Mat input = cv::imread("../inputData/ocrR.png");

    if(argc != 3)
    {
        std::cout << "usage: .exe filename #Repetitions" << std::endl;
        return 0;
    }

    std::string filename = argv[1];
    int nRepetitions = atoi(argv[2]);

    cv::Mat inputImage = cv::imread(filename);
    if(inputImage.empty())
    {
        std::cout << "image file " << filename << " could not be loaded" << std::endl;
        return 0;
    }

    // you instead should try to extract the background color from the image (e.g. from the image border)
    cv::Scalar backgroundColor(0,0,0);

    // size of the border in each direction
    int border = 4;

    cv::Mat repeatedImage = cv::Mat(inputImage.rows + 2*border, nRepetitions*inputImage.cols + 2*border, inputImage.type() , backgroundColor);

    cv::Rect roi = cv::Rect(border,border,inputImage.cols, inputImage.rows);

    for(int i=0; i<nRepetitions; ++i)
    {
        // copy original image to subimage of repeated image
        inputImage.copyTo(repeatedImage(roi));

        // update roi position
        roi.x += roi.width;
    }

    // now here you could send your repeated image to tesseract library and test whether nRepetitions times a letter was found.

    cv::imwrite("repeatedImage.png", repeatedImage);
    cv::imshow("repeated image" , repeatedImage);
    cv::waitKey(0);
    return 0;
}

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