news_analysis.headlinedetection.HeadLineDetection.java Source code

Introduction

Here is the source code for news_analysis.headlinedetection.HeadLineDetection.java

Source

/*
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package news_analysis.headlinedetection;

import item.BorderItem;
import java.util.ArrayList;
import news_analysis.NewsAnalysis;
import news_analysis.isimage.BorderDetection;
import org.opencv.core.Mat;
import org.opencv.core.Size;

/**
 *
 * @author fahad_000
 */
public class HeadLineDetection {

    public boolean isHeadLine(Mat image) {
        Size imageSize = image.size();
        int width = image.width();
        int height = image.height();

        if (height > 50 && height < 100) {
            return horizontalChecked(image, width, height);
        }
        //VerticleChecked( image, width,  height);

        return false;
    }

    private boolean horizontalChecked(Mat image, int width, int height) {
        int countHisto = 0;
        int countLine = 0;
        int maxTAG = -1;
        int minTAG = 100000;

        int freq[] = new int[height];
        for (int i = 0; i < height; i++) {
            countHisto = 0;
            for (int j = 0; j < width; j++) {
                if (image.get(i, j)[0] == 255) {
                    countHisto++;
                    //System.out.print("*");
                }

            }
            freq[i] = countHisto;
            if (freq[i] > maxTAG)
                maxTAG = freq[i];
            if (freq[i] < minTAG)
                minTAG = freq[i];
            if (freq[i] == 0)
                countLine++;
            //System.out.println("Line: "+countLine);
        }

        boolean any = true;
        for (int i = 0; i < height * .3; i++) {
            if (freq[i] == maxTAG) {
                for (int j = freq[height - 1]; j > height * .9; j--) {
                    if (freq[i] <= minTAG + 5) {

                    } else {
                        any = false;
                    }
                }
            }
        }

        if (countLine < 4)
            return any;

        return false;

    }

    private int VerticleChecked(Mat image, int width, int height) {

        int CHEACKED_LINE = (height / 2) % 6;
        int countHisto = 0;
        int maxTAG = -1;
        int start_H_HV = 0;
        int End_H_HV = 0;

        for (int i = 0; i < width; i++) {
            if (i > CHEACKED_LINE && i < width - CHEACKED_LINE) {
                maxTAG = -1;
                continue;
            }
            countHisto = 0;
            for (int j = 0; j < height; j++) {
                if (image.get(j, i)[0] == 255) {
                    countHisto++;
                    //System.out.print("*");
                }
            }
            if (countHisto > maxTAG)
                maxTAG = countHisto;
            if (i == CHEACKED_LINE - 1)
                start_H_HV = maxTAG;
            else if (i > CHEACKED_LINE)
                End_H_HV = maxTAG;
            // System.out.println("");
        }

        //System.out.println("start_H_HV : "+start_H_HV+" End_H_HV : "+End_H_HV);

        return 0;

    }
}