text_extraction/region_classifier.h at master · juntingzh/text_extraction · GitHub

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#ifndef REGION_CLASSIFIER_H
#define REGION_CLASSIFIER_H

#include <opencv/cv.h>
#include <opencv/ml.h>

#include <stdio.h>
#include <iostream>
#include <fstream>

#include "region.h"

using namespace cv;
using namespace std;

class RegionClassifier
{
public:

	/// Constructor.
	/// @param[in] trained_boost_filename
	/// @param[in] decision_threshold
	RegionClassifier(char *trained_boost_filename, float prediction_threshold=0.);

	/// Classify a region. Returns true iif region is classified as a text character
	/// @param[in] regions A pointer to the region to be classified.
	bool operator()(Region *region);

	/// Classify a region. Returns the average classification votes
	/// @param[in] regions A pointer to the region to be classified.
	float get_votes(Region *region);

private:

	// Boosted tree classifier
	CvBoost boost_;

	// Classification parameter
	float decision_threshold_;
};

#endif