Example usage for org.opencv.core Mat cols

Introduction

In this page you can find the example usage for org.opencv.core Mat cols.

Prototype

public int cols() 

Source Link

Usage

From source file:opencv.CaptchaDetection.java

private static int row_length(Mat src, int dst_row, int dst_col) {

    int length = 0;

    for (int col = dst_col; col >= 0; col--) {
        if (src.get(dst_row, col)[0] == 255)
            length++;// w  ww.  jav a  2s  .c  o  m
        else
            break;
    }

    for (int col = dst_col + 1; col < src.cols(); col++) {
        if (src.get(dst_row, col)[0] == 255)
            length++;
        else
            break;
    }

    //out.println(length);

    return length;
}

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From source file:opencv.CaptchaDetection.java

/***
 *  src  dst_0  dst_1/*from   www .  j ava  2 s  . c  o m*/
 * @param src
 * @param dst_0
 * @param dst_1 
 */
private static void delete_target(Mat src, Mat dst_0, Mat dst_1) {
    for (int row = 0; row < src.rows(); row++) {
        for (int col = 0; col < src.cols(); col++) {
            if (dst_0.get(row, col)[0] == 255 && dst_1.get(row, col)[0] == 255) {
                byte[] d_buff = new byte[1];
                d_buff[0] = (byte) 0;
                src.put(row, col, d_buff);
            }
        }
    }
}

---

From source file:opencv.CaptchaDetection.java

/***
 * /*from w w w.  j  a v  a 2s  .  co  m*/
 * @param src 
 */
private static void delete_point(Mat src) {
    for (int row = 0; row < src.rows(); row++) {
        for (int col = 0; col < src.cols(); col++) {
            if (src.get(row, col)[0] == 255) {
                int count = 0;

                if (row == 0 || src.get(row - 1, col)[0] == 0)
                    count++;
                if (row == src.rows() - 1 || src.get(row + 1, col)[0] == 0)
                    count++;
                if (col == 0 || src.get(row, col - 1)[0] == 0)
                    count++;
                if (col == src.cols() - 1 || src.get(row, col + 1)[0] == 0)
                    count++;

                if (count == 4) {
                    byte[] d_buff = new byte[1];
                    d_buff[0] = (byte) 0;
                    src.put(row, col, d_buff);
                }

            }
        }
    }
}

---

From source file:opencv.CaptchaDetection.java

/***
 * ?//from   www. j av a 2  s .  com
 * @param src
 * @param dst
 * @param degree 
 */
private static void rotateImage(Mat src, Mat dst, int degree) {
    Point center = new Point(src.cols() / 2.0 + 0.5, src.rows() / 2.0 + 0.5);
    Mat M = Imgproc.getRotationMatrix2D(center, degree, 1.0);
    Imgproc.warpAffine(src, dst, M, src.size());
}

---

From source file:opencv.CaptchaDetection.java

/***
 * ?//from ww  w .  j a  v  a  2s  . c om
 * @param src
 * @return 
 */
private static String dect_number(List<Mat> src) {
    String answer = "";

    for (Mat numRoi : src) {
        Mat zoomNum = new Mat(numRoi.rows() * 2, numRoi.cols() * 2, CvType.CV_8UC1, new Scalar(0));
        numRoi.copyTo(
                zoomNum.submat(new Rect(numRoi.cols() / 2, numRoi.rows() / 2, numRoi.cols(), numRoi.rows())));

        double matchMin = Double.MAX_VALUE;
        int matchSample = 0;

        for (Map.Entry<Integer, List<Mat>> iter : sampleMat.entrySet()) {
            for (Mat sample : iter.getValue()) {
                int result_cols = zoomNum.cols() - sample.cols() + 1;
                int result_rows = zoomNum.rows() - sample.rows() + 1;

                Mat resultImg = new Mat(result_rows, result_cols, CvType.CV_32FC1);

                Imgproc.matchTemplate(zoomNum, sample, resultImg, Imgproc.TM_SQDIFF);

                Core.MinMaxLocResult mmr = Core.minMaxLoc(resultImg);

                if (matchMin > mmr.minVal) {
                    matchMin = mmr.minVal;
                    matchSample = iter.getKey();
                }
            }
        }
        answer += matchSample / 2;
        //out.println("NumRio\tmatch sample :  " + matchSample + "\tmatch value : " + matchMin);
    }

    //out.println("Answer is : " + answer);
    return answer;
}

---

From source file:opencv.fark.FarkBulMainFrame.java

private static void theDifferenceBetweenTheTwoImages(Mat ref, Mat tem) {

    Mat sonuc = new Mat(tem.rows(), tem.cols(), CvType.CV_8UC1);
    Mat gray1 = new Mat(tem.rows(), tem.cols(), CvType.CV_8UC1);
    Mat gray2 = new Mat(reference_section.rows(), reference_section.cols(), CvType.CV_8UC1);

    Imgproc.cvtColor(tem, gray1, Imgproc.COLOR_BGR2GRAY);
    Imgproc.cvtColor(ref, gray2, Imgproc.COLOR_BGR2GRAY);

    MatToBufImg matToBufImage = new MatToBufImg();

    matToBufImage.setMatrix(gray2, ".jpg");
    g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

    matToBufImage.setMatrix(gray1, ".jpg");
    g2.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

    Core.absdiff(gray1, gray2, sonuc);//ww  w.j a  v  a 2  s.co m
    Imgproc.blur(sonuc, sonuc, new Size(10, 10));
    Imgproc.threshold(sonuc, sonuc, 15, 255, Imgproc.THRESH_BINARY);
    Imgproc.erode(sonuc, sonuc, element);
    int sayac = 0;
    float boyut = sonuc.cols() * sonuc.rows();
    for (int i = 0; i < sonuc.cols(); i++) {
        for (int j = 0; j < sonuc.rows(); j++) {
            double a[] = sonuc.get(j, i);
            if (a[0] == 255) {
                sayac++;
            }
        }
    }
    System.out.println();
    float hata = (sayac / boyut) * 100;
    System.out.println("Bozukluk oran % :" + hata);
    //        Imgproc.cvtColor(sonuc, sonuc, Imgproc.COLOR_GRAY2BGR);
    //        Core.bitwise_and(sonuc, tem, sonuc);

    matToBufImage.setMatrix(sonuc, ".jpg");
    g3.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);
    //        Highgui.imwrite("D:\\farkResim.jpg",sonuc);
}

---

From source file:opencv.fark.ResimSecMainFrame.java

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
    Mat sonuc = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);
    Mat gray1 = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);
    Mat gray2 = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);

    Imgproc.cvtColor(resim1, gray1, Imgproc.COLOR_BGR2GRAY);
    Imgproc.cvtColor(resim2, gray2, Imgproc.COLOR_BGR2GRAY);

    MatToBufImg matToBufImage = new MatToBufImg();

    //        matToBufImage.setMatrix(gray1, ".jpg");
    //        g.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

    //        matToBufImage.setMatrix(gray2, ".jpg");
    //        g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

    Core.absdiff(gray1, gray2, sonuc);/*w  w  w  . j  a va2s .  co m*/
    Imgproc.blur(sonuc, sonuc, new Size(10, 10));
    Imgproc.threshold(sonuc, sonuc, 10, 255, Imgproc.THRESH_BINARY);
    Imgproc.erode(sonuc, sonuc, element);
    Imgproc.dilate(sonuc, sonuc, element);

    farkli_pixel_say = 0;
    float boyut = sonuc.cols() * sonuc.rows();
    for (int i = 0; i < sonuc.cols(); i++) {
        for (int j = 0; j < sonuc.rows(); j++) {
            double a[] = sonuc.get(j, i);
            if (a[0] == 255) {
                farkli_pixel_say++;
                jLabelPixelCount.setText(String.valueOf(farkli_pixel_say));
            }
        }
    }

    float hata = (farkli_pixel_say / boyut) * 100;

    if (hata == 0) {
        jLabelYuzdeHata.setText("Hata Yok !");
    } else {
        jLabelYuzdeHata.setText(String.valueOf(hata).substring(0, 5));
    }

    Imgproc.cvtColor(sonuc, sonuc, Imgproc.COLOR_GRAY2BGR);

    Core.bitwise_or(resim2, sonuc, sonuc);

    matToBufImage.setMatrix(sonuc, ".png");
    g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

}

---

From source file:opencv.fark.ResimSecMainFrame.java

private void jButtonFarkBulActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonFarkBulActionPerformed
    farkli_pixel_say = 0;//from   w  w w.j ava2 s .c o m
    Thread t = new Thread() {
        @Override
        public void run() {
            Mat sonuc = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);
            Mat gray1 = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);
            Mat gray2 = new Mat(resim1.rows(), resim1.cols(), CvType.CV_8UC1);
            System.out.println(gray1.channels());
            Imgproc.cvtColor(resim1, gray1, Imgproc.COLOR_BGR2GRAY);
            Imgproc.cvtColor(resim2, gray2, Imgproc.COLOR_BGR2GRAY);

            for (int i = 0; i < gray1.rows(); i++) {
                for (int j = 0; j < gray1.cols(); j++) {

                    double[] kresim1 = gray1.get(i, j);
                    double[] kresim2 = gray2.get(i, j);
                    //System.out.println(resim1[0]+" "+resim2[0]);
                    if (kresim1[0] != kresim2[0]) {
                        // System.out.println(kresim1[0]);
                        g1.setFont(new Font("TimesRoman", Font.PLAIN, 2));
                        g1.drawString("*", j, i);

                        //gray2.put(i, j, kresim2[0]*255);
                        jLabelPixelCount.setText(String.valueOf(++farkli_pixel_say));
                    }
                }

                jProgressBar1.setValue(i);
            } //forend
            //          Mat a = new Mat();
            //          Core.compare(resim1, resim2, a, Core.CMP_NE);
            //  Imgproc.blur(gray2, gray2, new Size(10, 10));

            //          MatToBufImg matToBufImage = new MatToBufImg();
            //          matToBufImage.setMatrix(gray2, ".jpg");
            //          g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);
        }
    };
    t.start();

}

---

From source file:opencv.fark.ResimSecMainFrame.java

private void jButtonKarsilastirV1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonKarsilastirV1ActionPerformed

    Mat resim1hsv = new Mat();
    Mat resim2hsv = new Mat();
    Imgproc.cvtColor(resim1, resim1hsv, Imgproc.COLOR_BGR2HSV);
    Imgproc.cvtColor(resim2, resim2hsv, Imgproc.COLOR_BGR2HSV);

    Mat image = resim1.clone();

    double data2[] = new double[3];
    for (int i = 0; i < image.rows(); i++) {
        for (int j = 0; j < image.cols(); j++) {
            double[] data = resim1.get(i, j);
            double[] data1 = resim2.get(i, j);

            data2[0] = Math.abs(data[0] - data1[0]);
            data2[1] = Math.abs(data[1] - data1[1]);
            data2[2] = Math.abs(data[2] - data1[2]);
            image.put(i, j, data2);/*from   ww  w  .  j a  v a2 s .c o m*/

        }

    }

    Core.inRange(image, new Scalar(1, 0, 0), new Scalar(255, 255, 255), image);
    //Imgproc.threshold(image, image, 0, 256, Imgproc.THRESH_BINARY);

    MatToBufImg buf = new MatToBufImg();
    buf.setMatrix(image, ".png");
    g.drawImage(buf.getBufferedImage(), 0, 0, null);

}

---

From source file:opencv.fark.VideoSecMainFrame.java

private void jButtonKarsilastirActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonKarsilastirActionPerformed

    if (referans_degeri == 1) {
        t1 = new Thread() {

            @Override//from ww  w .  j  a v a2  s . c o  m
            public void run() {
                try {
                    while (!interrupted()) {
                        //System.out.println("Karlatr");
                        Rect r = new Rect(staticFirstPoint, staticSecondPoint);
                        temp = frame.submat(r);
                        jPanel2.repaint();
                        MatToBufImg matToBufImage = new MatToBufImg();
                        matToBufImage.setMatrix(temp, ".png");
                        g1.drawImage(matToBufImage.getBufferedImage(),
                                jPanel2.getWidth() / 2 - reference_section.cols() / 2,
                                jPanel2.getHeight() / 2 - reference_section.rows() / 2, null);
                        //Highgui.imwrite("D:\\resim1.jpg", temp);

                        //metod 3 sn yede bir fark hesapla
                        theDifferenceBetweenTheTwoImages(reference_section, temp);
                        Thread.sleep(3000);
                    }
                } catch (InterruptedException ex) {
                    ex.printStackTrace();
                }
            }

            private void theDifferenceBetweenTheTwoImages(Mat ref, Mat tem) {

                Mat sonuc = new Mat(tem.rows(), tem.cols(), CvType.CV_8UC1);
                Mat gray1 = new Mat(tem.rows(), tem.cols(), CvType.CV_8UC1);
                Mat gray2 = new Mat(reference_section.rows(), reference_section.cols(), CvType.CV_8UC1);

                Imgproc.cvtColor(tem, gray1, Imgproc.COLOR_BGR2GRAY);
                Imgproc.cvtColor(ref, gray2, Imgproc.COLOR_BGR2GRAY);

                MatToBufImg matToBufImage = new MatToBufImg();

                //        matToBufImage.setMatrix(gray2, ".jpg");
                //        g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);
                //        
                //        matToBufImage.setMatrix(gray1, ".jpg");
                //        g1.drawImage(matToBufImage.getBufferedImage(), 0, 0, null);

                Core.absdiff(gray2, gray1, sonuc);
                Imgproc.blur(sonuc, sonuc, new Size(15, 15));
                Imgproc.threshold(sonuc, sonuc, 2, 255, Imgproc.THRESH_BINARY);

                Imgproc.dilate(sonuc, sonuc, element);
                Imgproc.erode(sonuc, sonuc, element);

                //  List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
                int sayac = 0;
                float boyut = sonuc.cols() * sonuc.rows();
                for (int i = 0; i < sonuc.cols(); i++) {
                    for (int j = 0; j < sonuc.rows(); j++) {
                        double a[] = sonuc.get(j, i);
                        if (a[0] == 255) {
                            sayac++;

                        }
                    }
                }

                float hata = (sayac / boyut) * 100;
                System.out.println("Bozukluk oran % :" + hata);
                if (hata == 0) {
                    list1.add("Hatasiz!", 0);
                    Highgui.imwrite("D:\\testResim\\hatasiz\\ref" + (++say) + ".png", tem);
                } else {
                    list1.add("%" + String.valueOf(hata).substring(0, 5), 0);

                    Highgui.imwrite("D:\\testResim\\hatali\\yuzde" + String.valueOf(hata).substring(0, 2)
                            + "bozuk" + (++say) + ".png", tem);
                }
                Imgproc.cvtColor(sonuc, sonuc, Imgproc.COLOR_GRAY2BGR);
                Core.bitwise_and(sonuc, tem, sonuc);
                matToBufImage.setMatrix(sonuc, ".png");
                g1.drawImage(matToBufImage.getBufferedImage(),
                        jPanel2.getWidth() / 2 - reference_section.cols() / 2,
                        jPanel2.getHeight() / 2 - reference_section.rows() / 2, null);
                //        Highgui.imwrite("D:\\farkResim.jpg",sonuc);
            }
        };
        t1.start();

    } else {
        jLabel1.setForeground(Color.red);
        jLabel1.setOpaque(true);
        jLabel1.setBackground(Color.black);
        jLabel1.setFont(new Font("Serif", Font.PLAIN, 20));
        jLabel1.setText("Referans Resim Seiniz!");
    }
}

---

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