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Moved character analysis to text detection folder

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Matt Hill
2014-10-08 09:42:35 -04:00
parent f3ec4fd554
commit 945354e75d
6 changed files with 101 additions and 2 deletions
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src/openalpr/textdetection/characteranalysis.h Normal file
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/*
* Copyright (c) 2014 New Designs Unlimited, LLC
* Opensource Automated License Plate Recognition [http://www.openalpr.com]
*
* This file is part of OpenAlpr.
*
* OpenAlpr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License
* version 3 as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPENALPR_CHARACTERANALYSIS_H
#define OPENALPR_CHARACTERANALYSIS_H
#include "opencv2/imgproc/imgproc.hpp"
#include "constants.h"
#include "utility.h"
#include "config.h"
#include "pipeline_data.h"
class CharacterAnalysis
{
public:
CharacterAnalysis(PipelineData* pipeline_data);
virtual ~CharacterAnalysis();
bool hasPlateMask;
cv::Mat plateMask;
cv::Mat bestThreshold;
std::vector<std::vector<cv::Point> > bestContours;
std::vector<cv::Vec4i> bestHierarchy;
std::vector<bool> bestCharSegments;
int bestCharSegmentsCount;
LineSegment topLine;
LineSegment bottomLine;
std::vector<cv::Point> linePolygon;
std::vector<cv::Point> charArea;
LineSegment charBoxTop;
LineSegment charBoxBottom;
LineSegment charBoxLeft;
LineSegment charBoxRight;
bool thresholdsInverted;
std::vector<std::vector<std::vector<cv::Point> > > allContours;
std::vector<std::vector<cv::Vec4i> > allHierarchy;
std::vector<std::vector<bool> > charSegments;
void analyze();
cv::Mat getCharacterMask();
private:
PipelineData* pipeline_data;
Config* config;
cv::Mat findOuterBoxMask( );
bool isPlateInverted();
std::vector<bool> filter(cv::Mat img, std::vector<std::vector<cv::Point> > contours, std::vector<cv::Vec4i> hierarchy);
std::vector<bool> filterByBoxSize(std::vector<std::vector<cv::Point> > contours, std::vector<bool> goodIndices, int minHeightPx, int maxHeightPx);
std::vector<bool> filterByParentContour( std::vector< std::vector<cv::Point> > contours, std::vector<cv::Vec4i> hierarchy, std::vector<bool> goodIndices);
std::vector<bool> filterContourHoles(std::vector<std::vector<cv::Point> > contours, std::vector<cv::Vec4i> hierarchy, std::vector<bool> goodIndices);
std::vector<bool> filterByOuterMask(std::vector<std::vector<cv::Point> > contours, std::vector<cv::Vec4i> hierarchy, std::vector<bool> goodIndices);
std::vector<cv::Point> getCharArea();
std::vector<cv::Point> getBestVotedLines(cv::Mat img, std::vector<std::vector<cv::Point> > contours, std::vector<bool> goodIndices);
//vector<Point> getCharSegmentsBetweenLines(Mat img, vector<vector<Point> > contours, vector<Point> outerPolygon);
std::vector<bool> filterBetweenLines(cv::Mat img, std::vector<std::vector<cv::Point> > contours, std::vector<cv::Vec4i> hierarchy, std::vector<cv::Point> outerPolygon, std::vector<bool> goodIndices);
bool verifySize(cv::Mat r, float minHeightPx, float maxHeightPx);
int getGoodIndicesCount(std::vector<bool> goodIndices);
};
#endif // OPENALPR_CHARACTERANALYSIS_H