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https://github.com/kerberos-io/openalpr-base.git
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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* Copyright (c) 2014 New Designs Unlimited, LLC
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* Opensource Automated License Plate Recognition [http://www.openalpr.com]
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*
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* This file is part of OpenAlpr.
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*
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* OpenAlpr is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License
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* version 3 as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENALPR_CHARACTERANALYSIS_H
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#define OPENALPR_CHARACTERANALYSIS_H
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#include <algorithm>
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#include "opencv2/imgproc/imgproc.hpp"
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#include "utility.h"
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#include "config.h"
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#include "pipeline_data.h"
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#include "textcontours.h"
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#include "platemask.h"
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#include "linefinder.h"
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class CharacterAnalysis
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{
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public:
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CharacterAnalysis(PipelineData* pipeline_data);
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virtual ~CharacterAnalysis();
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cv::Mat bestThreshold;
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TextContours bestContours;
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bool thresholdsInverted;
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std::vector<TextContours> allTextContours;
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void analyze();
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cv::Mat getCharacterMask();
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private:
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PipelineData* pipeline_data;
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Config* config;
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cv::Mat findOuterBoxMask( );
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bool isPlateInverted();
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void filter(cv::Mat img, TextContours& textContours);
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void filterByBoxSize(TextContours& textContours, int minHeightPx, int maxHeightPx);
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void filterByParentContour( TextContours& textContours );
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void filterContourHoles(TextContours& textContours);
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void filterByOuterMask(TextContours& textContours);
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std::vector<cv::Point> getCharArea(LineSegment topLine, LineSegment bottomLine);
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void filterBetweenLines(cv::Mat img, TextContours& textContours, std::vector<TextLine> textLines );
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bool verifySize(cv::Mat r, float minHeightPx, float maxHeightPx);
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};
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#endif // OPENALPR_CHARACTERANALYSIS_H
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