news_analysis.isimage.IsImage.java Source code

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Here is the source code for news_analysis.isimage.IsImage.java

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package news_analysis.isimage;

import item.BorderItem;
import java.util.ArrayList;
import java.util.HashMap;
import news_analysis.ImageBorderDetectionBFS;
import news_analysis.NewsAnalysis;
import static news_analysis.NewsAnalysis.imshow;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.Size;

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

    BorderDetection borderDetection;

    static {
        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    }

    public IsImage() {
    }

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

        borderDetection = new BorderDetection();
        ArrayList<BorderItem> borderItems = borderDetection.getBorder(image, width, height);
        Mat[] subMat = new Mat[borderItems.size()];
        for (int i = 0; i < borderItems.size(); i++) {
            BorderItem item = borderItems.get(i);
            if (item.getHeight() > 100 && item.getWidth() > 100) {
                item = canMaxiMizeBorder(item, item.getMinX(), item.getMaxX(), item.getMinY(), item.getMaxY(),
                        height, width);
                subMat[i] = image.submat(item.getMinX(), item.getMaxX(), item.getMinY(), item.getMaxY());

                //NewsAnalysis.imshow("Sub sub sub" + i, subMat[i]);
                int horizontal[] = horizontalChecked(subMat[i], item.getHeight() - 1, item.getWidth() - 1);
                int verticle[] = VerticleChecked(subMat[i], item.getHeight() - 1, item.getWidth() - 1);
                if (horizontal[0] + horizontal[1] > 110 && verticle[0] + verticle[1] > 110) {

                    return true;
                }
                return true;
            }

        }

        return false;
    }

    private int[] horizontalChecked(Mat image, int width, int height) {
        int CHEACKED_LINE = (width / 2) % 6;
        int countHisto = 0;
        int maxTAG = -1;
        int start_H_HV = 0;
        int End_H_HV = 0;

        for (int i = 0; i < height; i++) {
            if (i > CHEACKED_LINE && i < height - CHEACKED_LINE) {
                maxTAG = -1;
                continue;
            }
            countHisto = 0;
            for (int j = 0; j < width; j++) {
                if (image.get(i, j)[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("");
        }

        int res[] = new int[2];
        res[0] = compareWithWidth(width, start_H_HV);
        res[1] = compareWithWidth(width, End_H_HV);

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

        return res;

    }

    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("");
        }
        int res[] = new int[2];
        res[0] = compareWithWidth(height, start_H_HV);
        res[1] = compareWithWidth(height, End_H_HV);

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

        return res;

    }

    public int compareWithWidth(int base, int haveToFind) {
        return (int) ((haveToFind * 100.0f) / base);
    }

    public BorderItem canMaxiMizeBorder(BorderItem item, int minX, int maxX, int minY, int maxY, int width,
            int height) {
        int minXTemp;
        int maxXTemp;
        int minYTemp;
        int maxYTemp;

        if (minX > 1 && minX < maxX - 1)
            minXTemp = minX - 2;
        else if (minX > 0 && minX < maxX)
            minXTemp = minX - 1;
        else
            minXTemp = minX;

        if (maxX < width - 2 && maxX > minX - 1)
            maxXTemp = maxX + 2;
        else if (maxX < width - 1 && maxX > minX)
            maxXTemp = maxX + 1;
        else
            maxXTemp = maxX;

        if (minY > 1 && minY < maxY - 1)
            minYTemp = minY - 2;
        else if (minY > 0 && minY < maxY)
            minYTemp = minY - 1;
        else
            minYTemp = minY;

        if (maxY < height - 2 && maxY > minY - 1)
            maxYTemp = maxY + 2;
        else if (maxY < height - 1 && maxY > minY)
            maxYTemp = maxY + 1;
        else
            maxYTemp = maxY;

        item.setMinX(minXTemp);
        item.setMaxX(maxXTemp);
        item.setMinY(minYTemp);
        item.setMaxY(maxYTemp);

        return item;

    }
}