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#include "opencv2/text.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/imgproc.hpp"
#include <sstream>
#include <iostream>
using namespace std;
using namespace cv;
using namespace cv::text;
inline void printHelp()
{
cout << " Demo of wordspotting CNN for text recognition." << endl;
cout << " Max Jaderberg et al.: Reading Text in the Wild with Convolutional Neural Networks, IJCV 2015"<<std::endl<<std::endl;
cout << " Usage: program <input_image>" << endl;
cout << " Caffe Model files (dictnet_vgg.caffemodel, dictnet_vgg_deploy.prototxt, dictnet_vgg_labels.txt)"<<endl;
cout << " must be in the current directory." << endl << endl;
cout << " Obtaining Caffe Model files in linux shell:"<<endl;
cout << " wget http://nicolaou.homouniversalis.org/assets/vgg_text/dictnet_vgg.caffemodel"<<endl;
cout << " wget http://nicolaou.homouniversalis.org/assets/vgg_text/dictnet_vgg_deploy.prototxt"<<endl;
cout << " wget http://nicolaou.homouniversalis.org/assets/vgg_text/dictnet_vgg_labels.txt"<<endl<<endl;
}
int main(int argc, const char * argv[])
{
if (argc != 2)
{
printHelp();
exit(1);
}
Mat image = imread(argv[1], IMREAD_GRAYSCALE);
cout << "Read image (" << argv[1] << "): " << image.size << ", channels: " << image.channels() << ", depth: " << image.depth() << endl;
if (image.empty())
{
printHelp();
exit(1);
}
Ptr<OCRHolisticWordRecognizer> wordSpotter = OCRHolisticWordRecognizer::create("dictnet_vgg_deploy.prototxt", "dictnet_vgg.caffemodel", "dictnet_vgg_labels.txt");
std::string word;
vector<float> confs;
wordSpotter->run(image, word, 0, 0, &confs);
cout << "Detected word: '" << word << "', confidence: " << confs[0] << endl;
}
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